HEADPHONES · YOUR NEXT FACE-OFF

Beyerdynamic AVENTHO 300 vs Sennheiser MOMENTUM 5 Wireless

Real specs. Clear sources.Exact models · UK & US buying links

Compared products

YOUR FIRST CHOICE

Beyerdynamic AVENTHO 300

1000981 · Black

Full product profile Official image

Exact model & source notes

The AVENTHO 300 (article 1000981, black) is beyerdynamic's closed-back, foldable over-ear Bluetooth headphone with adaptive hybrid ANC, STELLAR.45 dynamic drivers and Bluetooth 5.4 multipoint. beyerdynamic rates the battery at up to 50 hours with ANC on.

Specifications checked 26 Sept 2026.

Amazon links open search results. Check the exact variant, current price and availability with the retailer.

Manufacturer specifications

WHAT DIFFERS

Operating temperature-10 °C to +50 °C0 °C to +40 °C

319 gWeight290 g

2 of 11 verified differences, in the order listed below. Not a rating.

See the 11 verified differences

THE CONTENDER

Sennheiser MOMENTUM 5 Wireless

800078 · Black · model M5AEBT

Full product profile Official image

Exact model & source notes

The MOMENTUM 5 Wireless (article 800078, black) is Sennheiser's closed-back, around-ear Bluetooth headphone (Bluetooth 5.4 per the manual and UK page) with hybrid adaptive noise cancellation, automatic wind-noise suppression, a Transparency Mode, Dolby Atmos spatial audio with head tracking, a 42 mm dynamic driver, a rated 57 hours of playback with ANC on and a battery the owner can replace. It folds flat for its carry case, and a touch pad on the right ear cup and Smart Pause on-head detection handle playback. Sennheiser's Smart Control Plus app adds EQ, sound modes and Sound Personalization. It also plays over USB-C from a computer or over a supplied analogue cable.

Specifications checked 26 Sept 2026.

Amazon links open search results. Check the exact variant, current price and availability with the retailer.

Manufacturer specifications

Beyerdynamic AVENTHO 300 UK & US retailers

UK & US price history: no verified listing yet

Sennheiser MOMENTUM 5 Wireless UK & US retailers

UK & US price history: no verified listing yet

Search links open retailer results, not a matched listing; eBay listings are checked daily. As an Amazon Associate I earn from qualifying purchases. As an eBay Partner, we may be compensated if you make a purchase.

THE DIFFERENCES, MADE VISIBLE

Visual facts

Differences first. Select a topic for its graphic, sources and conditions.

How to read this comparison

Manufacturer facts for the exact models shown. Not a quality rating or a test result.
“Different” means the known values differ, not that one is better.
Missing or conflicting evidence is marked and never counts as a difference. Source chips hold each fact’s sources and conditions.

FEATURES SIDE BY SIDE6 topics

Yes and No describe the listed feature. Missing evidence stays unverified.

SELECTED TOPIC

01 / 06

Open-back design

Open-back earcups are not sealed. Start here if your listening space is quiet; this construction is not a sound-quality rating.

Beyerdynamic AVENTHO 300: closed-back · illustration, not to scale

Sennheiser MOMENTUM 5 Wireless: closed-back · illustration, not to scale

Beyerdynamic AVENTHO 300No

Closed-back. Manufacturer specification

Source 1 Source 2

Sennheiser MOMENTUM 5 WirelessNo

Closed-back. Manufacturer specification

Source 1

Choose your must-haves

Start with your listening environment. Open and closed earcups suit different surroundings. A closed back is not the same as active noise cancellation. Check the exact cable and headphone output. We do not turn impedance, driver size or unpaired lab results into a sound-quality score.

WHAT CHANGES BETWEEN THEM?

Key differences

Full specifications ↓

11 verified differences, most decision-relevant first. Missing information stays separate.

Wired / wireless connections

Beyerdynamic AVENTHO 300Bluetooth 5.4 with multipoint (AAC, aptX Lossless, aptX Adaptive, LE Audio); USB-C charging port; supplied 3.5 mm mini-jack cable

Sennheiser MOMENTUM 5 WirelessBluetooth 5.4 (SBC, AAC, aptX, aptX HD, aptX Lossless, aptX Adaptive); USB-C for charging, calls and streaming from a PC/Mac; 2.5 mm analogue input with supplied 2.5 mm-to-3.5 mm cable

Sources

Beyerdynamic AVENTHO 300

Manufacturer specification · The sources do not say whether the USB-C port carries audio; only charging is stated.

beyerdynamic AVENTHO 300 BLACK — official product page and technical data (global store)beyerdynamic AVENTHO 300 — spec sheet E2/AVENTHO 300 (03.25)

Sennheiser MOMENTUM 5 Wireless

Manufacturer specification · Connecting the analogue cable switches Bluetooth off (flight mode). Bluetooth version: the manual ('The headphones are Bluetooth 5.4 compliant'), the UK page and the US store's feature list give Bluetooth 5.4, but the same US store description also says 'Bluetooth 6.0*' with an asterisk that the captured data does not explain; 5.4 is shown and the 6.0 statement is unexplained.

Sennheiser MOMENTUM 5 Wireless — official UK product page and specifications Sennheiser US store — MOMENTUM 5 Wireless product variant data (SKU and UPC per colour)Sennheiser MOMENTUM 5 (M5AEBT) — instruction manual, version 07/26 A03

Check the exact configuration and source conditions for your use.

Battery life

Beyerdynamic AVENTHO 300Up to 50 hours with ANC on; approx. 2 hours to charge; 10 minutes of quick charging gives 5 hours of playback

Sennheiser MOMENTUM 5 WirelessUp to 57 hours of Bluetooth music playback with ANC on; approx. 2 hours to charge fully, with 10 minutes giving up to 7 hours

Sources

Beyerdynamic AVENTHO 300

Manufacturer specification · beyerdynamic's rating with ANC switched on; test source and volume are not stated. Charging temperature range +10 to +40 °C.

beyerdynamic AVENTHO 300 BLACK — official product page and technical data (global store)beyerdynamic AVENTHO 300 — spec sheet E2/AVENTHO 300 (03.25)

Sennheiser MOMENTUM 5 Wireless

Manufacturer specification · Sennheiser's test condition: iPhone at mid volume. User-replaceable 700 mAh battery.

Sennheiser MOMENTUM 5 Wireless — official UK product page and specifications Sennheiser MOMENTUM 5 (M5AEBT) — instruction manual, version 07/26 A03

Manufacturer claims for the stated mode and equipment. Read each test condition; this is not measured everyday battery life.

Driver construction

Beyerdynamic AVENTHO 300Dynamic STELLAR.45 drivers, angled

Sennheiser MOMENTUM 5 Wireless42 mm dynamic transducer

Sources

Beyerdynamic AVENTHO 300

Manufacturer specification · beyerdynamic's driver name; a diameter is not stated in the sources read.

beyerdynamic AVENTHO 300 BLACK — official product page and technical data (global store)beyerdynamic AVENTHO 300 — spec sheet E2/AVENTHO 300 (03.25)

Sennheiser MOMENTUM 5 Wireless

Manufacturer specification

Sennheiser MOMENTUM 5 (M5AEBT) — instruction manual, version 07/26 A03

Check whether the diameter describes the complete transducer or only its diaphragm. Different labels and driver sizes do not establish better sound.

Bluetooth codecs

Beyerdynamic AVENTHO 300AAC, aptX Lossless, aptX Adaptive, LE Audio

Sennheiser MOMENTUM 5 WirelessSBC, AAC, aptX, aptX HD, aptX Lossless, aptX Adaptive

Sources

Beyerdynamic AVENTHO 300

Manufacturer specification · SBC is not listed in the official codec lists.

beyerdynamic AVENTHO 300 BLACK — official product page and technical data (global store)beyerdynamic AVENTHO 300 — spec sheet E2/AVENTHO 300 (03.25)

Sennheiser MOMENTUM 5 Wireless

Manufacturer specification · The UK product page additionally lists Snapdragon Sound.

Sennheiser MOMENTUM 5 Wireless — official UK product page and specifications Sennheiser MOMENTUM 5 (M5AEBT) — instruction manual, version 07/26 A03

Check the exact configuration and source conditions for your use.

Charging

Beyerdynamic AVENTHO 300USB-C; USB-C to USB-C cable and USB-A to USB-C adapter supplied

Sennheiser MOMENTUM 5 WirelessUSB-C, 5 V up to 800 mA; approx. 2 hours for a full charge

Sources

Beyerdynamic AVENTHO 300

Manufacturer specification

beyerdynamic AVENTHO 300 — spec sheet E2/AVENTHO 300 (03.25)

Sennheiser MOMENTUM 5 Wireless

Manufacturer specification

Sennheiser MOMENTUM 5 (M5AEBT) — instruction manual, version 07/26 A03

Check the exact configuration and source conditions for your use.

Controls and app

Beyerdynamic AVENTHO 300Touch pad; beyerdynamic app with 5-band equaliser and over-the-air firmware updates; wear detection pauses and resumes playback

Sennheiser MOMENTUM 5 WirelessTouch pad on the outside of the right ear cup (tapping, horizontal and vertical swipes, stretch and pinch) and a multi-function button; Smart Pause on-head detection pauses music when the headphones are taken off and resumes it when they are put on again

Sources

Beyerdynamic AVENTHO 300

Manufacturer specification

beyerdynamic AVENTHO 300 — spec sheet E2/AVENTHO 300 (03.25)

Sennheiser MOMENTUM 5 Wireless

Manufacturer specification · Touch-pad gestures cover volume, starting/pausing music playback, calls, and ANC or Transparency Mode adjustment; the touch pad function can be deactivated. The multi-function button also serves as the on/off, voice assistant and pairing button. With Smart Pause, putting on the headphones automatically accepts an incoming phone call, and taking them off during a call mutes it until they are put back on.

Sennheiser MOMENTUM 5 Wireless — official UK product page and specifications Sennheiser MOMENTUM 5 (M5AEBT) — instruction manual, version 07/26 A03

Check the exact configuration and source conditions for your use.

Show 5 more verified differences

Rated frequency range

Beyerdynamic AVENTHO 3005–22,000 Hz

Sennheiser MOMENTUM 5 Wireless6–40,000 Hz (−10 dB) over USB and Bluetooth; 6–22,000 Hz over the analogue input

Sources

Beyerdynamic AVENTHO 300

Manufacturer specification

beyerdynamic AVENTHO 300 BLACK — official product page and technical data (global store)beyerdynamic AVENTHO 300 — spec sheet E2/AVENTHO 300 (03.25)

Sennheiser MOMENTUM 5 Wireless

Manufacturer specification

Sennheiser MOMENTUM 5 Wireless — official UK product page and specifications Sennheiser MOMENTUM 5 (M5AEBT) — instruction manual, version 07/26 A03

Range endpoints need their stated threshold. They do not describe response flatness or prove better bass, detail or sound quality.

In the box

Beyerdynamic AVENTHO 300Headphones, USB-C to USB-C charging cable, USB-A to USB-C adapter, 3.5 mm mini-jack cable, drawstring bag, hard case, quick start guide, compliance booklet

Sennheiser MOMENTUM 5 WirelessHeadphones, USB-C to USB-C cable (approx. 1.2 m), 2.5 mm-to-3.5 mm audio cable (approx. 1.2 m), carry case, quick guide, safety guide, compliance sheet

Sources

Beyerdynamic AVENTHO 300

Manufacturer specification

beyerdynamic AVENTHO 300 — spec sheet E2/AVENTHO 300 (03.25)

Sennheiser MOMENTUM 5 Wireless

Manufacturer specification · The UK product page's box list names a charging case; the manual lists a carry case. The manual list is shown.

Sennheiser MOMENTUM 5 (M5AEBT) — instruction manual, version 07/26 A03

Check the exact configuration and source conditions for your use.

Operating temperature

Beyerdynamic AVENTHO 300-10 °C to +50 °C

Sennheiser MOMENTUM 5 Wireless0 °C to +40 °C

Sources

Beyerdynamic AVENTHO 300

Manufacturer specification

beyerdynamic AVENTHO 300 — spec sheet E2/AVENTHO 300 (03.25)

Sennheiser MOMENTUM 5 Wireless

Manufacturer specification

Sennheiser MOMENTUM 5 (M5AEBT) — instruction manual, version 07/26 A03

Check the exact configuration and source conditions for your use.

Spatial audio

Beyerdynamic AVENTHO 300Dolby Atmos with Dolby Head Tracking

Sennheiser MOMENTUM 5 WirelessDolby Atmos with head tracking

Sources

Beyerdynamic AVENTHO 300

Manufacturer specification

beyerdynamic AVENTHO 300 — spec sheet E2/AVENTHO 300 (03.25)

Sennheiser MOMENTUM 5 Wireless

Manufacturer specification · Dolby Atmos and head tracking are switched on or off separately in the Smart Control Plus app; with Dolby Atmos on and the app not running, the headphones use their built-in Dolby virtualizer.

Sennheiser MOMENTUM 5 Wireless — official UK product page and specifications Sennheiser MOMENTUM 5 (M5AEBT) — instruction manual, version 07/26 A03

Check the exact configuration and source conditions for your use.

Weight

Beyerdynamic AVENTHO 300319 g

Sennheiser MOMENTUM 5 Wireless290 g

Sources

Beyerdynamic AVENTHO 300

Manufacturer specification · Headphones without cable, per the product pages; the spec sheet gives 319 g without stating the basis.

beyerdynamic AVENTHO 300 BLACK — official product page and technical data (global store)beyerdynamic AVENTHO 300 BLACK — official North America store page and technical data beyerdynamic AVENTHO 300 — spec sheet E2/AVENTHO 300 (03.25)

Sennheiser MOMENTUM 5 Wireless

Manufacturer specification · Approximate, headphones only; no cable-inclusive figure is published.

Sennheiser MOMENTUM 5 Wireless — official UK product page and specifications Sennheiser MOMENTUM 5 (M5AEBT) — instruction manual, version 07/26 A03

A size or weight trade-off; it does not establish the better product.

Configuration & compatibility details (1)

Wearing style

Beyerdynamic AVENTHO 300Over-ear (circumaural), closed-back, foldable wireless headphones

Sennheiser MOMENTUM 5 WirelessOver-ear (circumaural), closed-back wireless headphones with a fold-flat design

Sources

Beyerdynamic AVENTHO 300

Manufacturer specification

beyerdynamic AVENTHO 300 BLACK — official product page and technical data (global store)beyerdynamic AVENTHO 300 — spec sheet E2/AVENTHO 300 (03.25)

Sennheiser MOMENTUM 5 Wireless

Manufacturer specification · Sennheiser's US store description: 'Soft padding, low headband pressure, and free-swiveling hinges contour to the head for maximum comfort; the fold-flat design and slim case make for ideal portability.' The UK specification table gives the product dimensions folded flat, and the manual says to fold up the headphones and place them in the carry case.

Both sources describe the same wearing style and acoustic design in different words. The extra wording does not establish a different fit; compare the separately listed fields.

Missing or non-comparable evidence (11)

App sound controls

Beyerdynamic AVENTHO 300Not verified

Sennheiser MOMENTUM 5 WirelessSennheiser Smart Control Plus app: built-in EQ with presets, sound modes (e.g. bass boost) and own settings, and Sound Personalization

Sources

Beyerdynamic AVENTHO 300

No source recorded for this side.

Sennheiser MOMENTUM 5 Wireless

Manufacturer specification · The manual states the sound effects are stored in the headphones.

Sennheiser MOMENTUM 5 Wireless — official UK product page and specifications Sennheiser MOMENTUM 5 (M5AEBT) — instruction manual, version 07/26 A03

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Battery

Beyerdynamic AVENTHO 300Not verified

Sennheiser MOMENTUM 5 WirelessReplaceable, 3.7 V, 700 mAh, 2.59 Wh (BA 500)

Sources

Beyerdynamic AVENTHO 300

No source recorded for this side.

Sennheiser MOMENTUM 5 Wireless

Manufacturer specification · Capacity agrees across sources (manual 700 mAh, 2.59 Wh; UK page 700 mAh); the chemistry does not, see battery chemistry.

Sennheiser MOMENTUM 5 Wireless — official UK product page and specifications Sennheiser MOMENTUM 5 (M5AEBT) — instruction manual, version 07/26 A03

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Battery chemistry

Beyerdynamic AVENTHO 300Not verified

Sennheiser MOMENTUM 5 WirelessConflicting evidence

Sources

Beyerdynamic AVENTHO 300

No source recorded for this side.

Sennheiser MOMENTUM 5 Wireless

The instruction manual states a replaceable, rechargeable lithium-polymer battery; the UK product page states 'Exchangeable Lithium-Ion rechargeable batteries 700 mAh'. · Manufacturer specification

Sennheiser MOMENTUM 5 Wireless — official UK product page and specifications Sennheiser MOMENTUM 5 (M5AEBT) — instruction manual, version 07/26 A03

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Bluetooth version and profiles

Beyerdynamic AVENTHO 300Bluetooth 5.4; A2DP 1.3.2, AVRCP 1.6.2, HFP 1.8, AVDTP 1.3, AVCTP 1.4, GAVDP 1.3, SPP-B 1.2, RFCOMM 1.2, IOPT

Sennheiser MOMENTUM 5 WirelessNot verified

Sources

Beyerdynamic AVENTHO 300

Manufacturer specification

beyerdynamic AVENTHO 300 BLACK — official product page and technical data (global store)beyerdynamic AVENTHO 300 — spec sheet E2/AVENTHO 300 (03.25)

Sennheiser MOMENTUM 5 Wireless

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Rated total harmonic distortion

Beyerdynamic AVENTHO 300Not verified

Sennheiser MOMENTUM 5 Wireless<0.2% at 1 kHz, 100 dB SPL

Sources

Beyerdynamic AVENTHO 300

No source recorded for this side.

Sennheiser MOMENTUM 5 Wireless

Manufacturer specification

Sennheiser MOMENTUM 5 (M5AEBT) — instruction manual, version 07/26 A03

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Simultaneous Bluetooth connections

Beyerdynamic AVENTHO 300Not verified

Sennheiser MOMENTUM 5 Wireless2

Sources

Beyerdynamic AVENTHO 300

No source recorded for this side.

Sennheiser MOMENTUM 5 Wireless

Manufacturer specification

Sennheiser MOMENTUM 5 (M5AEBT) — instruction manual, version 07/26 A03

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Rated sensitivity

Beyerdynamic AVENTHO 300Not verified

Sennheiser MOMENTUM 5 WirelessConflicting evidence

Sources

Beyerdynamic AVENTHO 300

No source recorded for this side.

Sennheiser MOMENTUM 5 Wireless

The instruction manual states 106 dB SPL and the UK product page states 108 dB SPL, both at 1 kHz / 0 dBFS. Neither is preferred. · Manufacturer specification · Digital full-scale reference; not comparable with passive headphones' dB/mW or dB/V ratings.

Sennheiser MOMENTUM 5 Wireless — official UK product page and specifications Sennheiser MOMENTUM 5 (M5AEBT) — instruction manual, version 07/26 A03

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Serviceability

Beyerdynamic AVENTHO 300Not verified

Sennheiser MOMENTUM 5 WirelessUser-replaceable rechargeable battery (Sennheiser BA 500)

Sources

Beyerdynamic AVENTHO 300

No source recorded for this side.

Sennheiser MOMENTUM 5 Wireless

Manufacturer specification · The manual states the compatible BA 500 battery 'will be available in the EU and further selected countries'; availability of the replacement battery in the UK or US is not stated.

Sennheiser MOMENTUM 5 Wireless — official UK product page and specifications Sennheiser MOMENTUM 5 (M5AEBT) — instruction manual, version 07/26 A03

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Transparency (ambient) mode

Beyerdynamic AVENTHO 300Not verified

Sennheiser MOMENTUM 5 WirelessYes

Sources

Beyerdynamic AVENTHO 300

No source recorded for this side.

Sennheiser MOMENTUM 5 Wireless

Manufacturer specification

Sennheiser MOMENTUM 5 Wireless — official UK product page and specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Wireless range

Beyerdynamic AVENTHO 300Up to 15 m

Sennheiser MOMENTUM 5 WirelessNot verified

Sources

Beyerdynamic AVENTHO 300

Manufacturer specification

beyerdynamic AVENTHO 300 BLACK — official product page and technical data (global store)beyerdynamic AVENTHO 300 — spec sheet E2/AVENTHO 300 (03.25)

Sennheiser MOMENTUM 5 Wireless

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Dimensions

Beyerdynamic AVENTHO 300Not verified

Sennheiser MOMENTUM 5 Wireless180 x 197 x 47 mm (folded flat)

Sources

Beyerdynamic AVENTHO 300

No source recorded for this side.

Sennheiser MOMENTUM 5 Wireless

Manufacturer specification · UK specification table: 'Product dimension (folded flat) 180 x 197 x 47 mm (7.08 x 7.75 x 1.85 in)'.

Sennheiser MOMENTUM 5 Wireless — official UK product page and specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

3 shared fields have the same recorded value.

YOUR HEADPHONES. YOUR RULES.

Check against your must-haves

Feature matching for the features you select. It doesn’t rate sound or comfort.

Start with your listening setup.

Choose a starting point, then fine-tune your must-haves.

FINE-TUNE THE DETAILS

Your essentials.

These shortcuts select the features shown above. Check the fit against your own equipment and listening space.

A feature match describes the selected requirements. It doesn’t rate sound or comfort.

Open-back designFor a quiet listening spaceClosed-back designAn enclosed outer earcupDetachable cableUnplug the cable at the headphonesBuilt-in microphoneFor calls and voice chatActive noise cancellationNot the same as a closed back

YOUR CHOICE

Beyerdynamic AVENTHO 300

Select a feature to check your fit.

YOUR CHOICE

Sennheiser MOMENTUM 5 Wireless

Select a feature to check your fit.

Feature matching, not a sound-quality score. The specification table links to the evidence for each feature.

WHAT EACH CHOICE ASKS OF YOU

What it brings and what to check

Beyerdynamic AVENTHO 300

What it brings

Supported codecs are AAC, aptX Lossless, aptX Adaptive and LE Audio, so a phone or computer that supports one of these can use it instead of a basic connection.
Manufacturer source Manufacturer source
A rated 50 hours with ANC on, 10-minute quick charging for 5 hours and a supplied hard case and 3.5 mm cable suit long trips.
Manufacturer source Manufacturer source

What to check

SBC is not in beyerdynamic's codec list, and the sources do not say whether the USB-C port can carry audio.
Manufacturer source Manufacturer source
beyerdynamic does not state the test conditions (source, volume) behind the 50-hour battery figure, so real runtime may differ.
Manufacturer source

Sennheiser MOMENTUM 5 Wireless

What it brings

The rechargeable battery is designed to be swapped by the owner and the manual describes the removal steps; Sennheiser says the compatible BA 500 battery will be available in the EU and further selected countries, without naming the UK or US.
Manufacturer source Manufacturer source
Sennheiser rates up to 57 hours of Bluetooth playback with ANC on, with about 2 hours for a full charge and 10 minutes giving up to 7 hours.
Manufacturer source Manufacturer source
Codec support runs from SBC and AAC to aptX HD, aptX Lossless and aptX Adaptive, with two simultaneous Bluetooth connections and USB-C audio from a PC or Mac.
Manufacturer source

What to check

The analogue input is a 2.5 mm socket, so the supplied cable (or a similar one) is needed; plugging it in turns Bluetooth off.
Manufacturer source
Sennheiser's own documents disagree on the sensitivity figure (106 versus 108 dB at digital full scale), so it is shown as conflicting and cannot be compared with passive headphones' ratings anyway.
Manufacturer source Manufacturer source
Mass is rated at about 290 g for the headphones alone.
Manufacturer source

COMPARE THE DETAILS

Full specifications

How we verify

Differences only

26 of 26 specifications Sources in each row

Source-backed specifications for Beyerdynamic AVENTHO 300 and Sennheiser MOMENTUM 5 Wireless
Specification	Beyerdynamic AVENTHO 300	Sennheiser MOMENTUM 5 Wireless

Wearing styleDifferent Sources Beyerdynamic AVENTHO 300 Manufacturer specification beyerdynamic AVENTHO 300 BLACK — official product page and technical data (global store)beyerdynamic AVENTHO 300 — spec sheet E2/AVENTHO 300 (03.25) Sennheiser MOMENTUM 5 Wireless Manufacturer specification · Sennheiser's US store description: 'Soft padding, low headband pressure, and free-swiveling hinges contour to the head for maximum comfort; the fold-flat design and slim case make for ideal portability.' The UK specification table gives the product dimensions folded flat, and the manual says to fold up the headphones and place them in the carry case. Sennheiser MOMENTUM 5 Wireless — official UK product page and specifications Sennheiser US store — MOMENTUM 5 Wireless product variant data (SKU and UPC per colour)Sennheiser MOMENTUM 5 (M5AEBT) — instruction manual, version 07/26 A03	Over-ear (circumaural), closed-back, foldable wireless headphones	Over-ear (circumaural), closed-back wireless headphones with a fold-flat design
WeightDifferent Sources Beyerdynamic AVENTHO 300 Manufacturer specification · Headphones without cable, per the product pages; the spec sheet gives 319 g without stating the basis. beyerdynamic AVENTHO 300 BLACK — official product page and technical data (global store)beyerdynamic AVENTHO 300 BLACK — official North America store page and technical data beyerdynamic AVENTHO 300 — spec sheet E2/AVENTHO 300 (03.25) Sennheiser MOMENTUM 5 Wireless Manufacturer specification · Approximate, headphones only; no cable-inclusive figure is published. Sennheiser MOMENTUM 5 Wireless — official UK product page and specifications Sennheiser MOMENTUM 5 (M5AEBT) — instruction manual, version 07/26 A03	319 g	290 g
Acoustic design Sources Beyerdynamic AVENTHO 300 Manufacturer specification beyerdynamic AVENTHO 300 BLACK — official product page and technical data (global store)beyerdynamic AVENTHO 300 — spec sheet E2/AVENTHO 300 (03.25) Sennheiser MOMENTUM 5 Wireless Manufacturer specification Sennheiser MOMENTUM 5 (M5AEBT) — instruction manual, version 07/26 A03	Closed-back	Closed-back
Dimensions Sources Beyerdynamic AVENTHO 300 No source recorded. Sennheiser MOMENTUM 5 Wireless Manufacturer specification · UK specification table: 'Product dimension (folded flat) 180 x 197 x 47 mm (7.08 x 7.75 x 1.85 in)'. Sennheiser MOMENTUM 5 Wireless — official UK product page and specifications	Not provided	180 x 197 x 47 mm (folded flat)
Serviceability Sources Beyerdynamic AVENTHO 300 No source recorded. Sennheiser MOMENTUM 5 Wireless Manufacturer specification · The manual states the compatible BA 500 battery 'will be available in the EU and further selected countries'; availability of the replacement battery in the UK or US is not stated. Sennheiser MOMENTUM 5 Wireless — official UK product page and specifications Sennheiser MOMENTUM 5 (M5AEBT) — instruction manual, version 07/26 A03	Not provided	User-replaceable rechargeable battery (Sennheiser BA 500)

Wired / wireless connectionsDifferent Sources Beyerdynamic AVENTHO 300 Manufacturer specification · The sources do not say whether the USB-C port carries audio; only charging is stated. beyerdynamic AVENTHO 300 BLACK — official product page and technical data (global store)beyerdynamic AVENTHO 300 — spec sheet E2/AVENTHO 300 (03.25) Sennheiser MOMENTUM 5 Wireless Manufacturer specification · Connecting the analogue cable switches Bluetooth off (flight mode). Bluetooth version: the manual ('The headphones are Bluetooth 5.4 compliant'), the UK page and the US store's feature list give Bluetooth 5.4, but the same US store description also says 'Bluetooth 6.0*' with an asterisk that the captured data does not explain; 5.4 is shown and the 6.0 statement is unexplained. Sennheiser MOMENTUM 5 Wireless — official UK product page and specifications Sennheiser US store — MOMENTUM 5 Wireless product variant data (SKU and UPC per colour)Sennheiser MOMENTUM 5 (M5AEBT) — instruction manual, version 07/26 A03	Bluetooth 5.4 with multipoint (AAC, aptX Lossless, aptX Adaptive, LE Audio); USB-C charging port; supplied 3.5 mm mini-jack cable	Bluetooth 5.4 (SBC, AAC, aptX, aptX HD, aptX Lossless, aptX Adaptive); USB-C for charging, calls and streaming from a PC/Mac; 2.5 mm analogue input with supplied 2.5 mm-to-3.5 mm cable
Battery lifeDifferent Sources Beyerdynamic AVENTHO 300 Manufacturer specification · beyerdynamic's rating with ANC switched on; test source and volume are not stated. Charging temperature range +10 to +40 °C. beyerdynamic AVENTHO 300 BLACK — official product page and technical data (global store)beyerdynamic AVENTHO 300 — spec sheet E2/AVENTHO 300 (03.25) Sennheiser MOMENTUM 5 Wireless Manufacturer specification · Sennheiser's test condition: iPhone at mid volume. User-replaceable 700 mAh battery. Sennheiser MOMENTUM 5 Wireless — official UK product page and specifications Sennheiser MOMENTUM 5 (M5AEBT) — instruction manual, version 07/26 A03	Up to 50 hours with ANC on; approx. 2 hours to charge; 10 minutes of quick charging gives 5 hours of playback	Up to 57 hours of Bluetooth music playback with ANC on; approx. 2 hours to charge fully, with 10 minutes giving up to 7 hours
Bluetooth codecsDifferent Sources Beyerdynamic AVENTHO 300 Manufacturer specification · SBC is not listed in the official codec lists. beyerdynamic AVENTHO 300 BLACK — official product page and technical data (global store)beyerdynamic AVENTHO 300 — spec sheet E2/AVENTHO 300 (03.25) Sennheiser MOMENTUM 5 Wireless Manufacturer specification · The UK product page additionally lists Snapdragon Sound. Sennheiser MOMENTUM 5 Wireless — official UK product page and specifications Sennheiser MOMENTUM 5 (M5AEBT) — instruction manual, version 07/26 A03	AAC, aptX Lossless, aptX Adaptive, LE Audio	SBC, AAC, aptX, aptX HD, aptX Lossless, aptX Adaptive
Bluetooth version and profiles Sources Beyerdynamic AVENTHO 300 Manufacturer specification beyerdynamic AVENTHO 300 BLACK — official product page and technical data (global store)beyerdynamic AVENTHO 300 — spec sheet E2/AVENTHO 300 (03.25) Sennheiser MOMENTUM 5 Wireless No source recorded.	Bluetooth 5.4; A2DP 1.3.2, AVRCP 1.6.2, HFP 1.8, AVDTP 1.3, AVCTP 1.4, GAVDP 1.3, SPP-B 1.2, RFCOMM 1.2, IOPT	Not provided
Wireless range Sources Beyerdynamic AVENTHO 300 Manufacturer specification beyerdynamic AVENTHO 300 BLACK — official product page and technical data (global store)beyerdynamic AVENTHO 300 — spec sheet E2/AVENTHO 300 (03.25) Sennheiser MOMENTUM 5 Wireless No source recorded.	Up to 15 m	Not provided
ChargingDifferent Sources Beyerdynamic AVENTHO 300 Manufacturer specification beyerdynamic AVENTHO 300 — spec sheet E2/AVENTHO 300 (03.25) Sennheiser MOMENTUM 5 Wireless Manufacturer specification Sennheiser MOMENTUM 5 (M5AEBT) — instruction manual, version 07/26 A03	USB-C; USB-C to USB-C cable and USB-A to USB-C adapter supplied	USB-C, 5 V up to 800 mA; approx. 2 hours for a full charge
Simultaneous Bluetooth connections Sources Beyerdynamic AVENTHO 300 No source recorded. Sennheiser MOMENTUM 5 Wireless Manufacturer specification Sennheiser MOMENTUM 5 (M5AEBT) — instruction manual, version 07/26 A03	Not provided	2
Battery Sources Beyerdynamic AVENTHO 300 No source recorded. Sennheiser MOMENTUM 5 Wireless Manufacturer specification · Capacity agrees across sources (manual 700 mAh, 2.59 Wh; UK page 700 mAh); the chemistry does not, see battery chemistry. Sennheiser MOMENTUM 5 Wireless — official UK product page and specifications Sennheiser MOMENTUM 5 (M5AEBT) — instruction manual, version 07/26 A03	Not provided	Replaceable, 3.7 V, 700 mAh, 2.59 Wh (BA 500)

Driver constructionDifferent Sources Beyerdynamic AVENTHO 300 Manufacturer specification · beyerdynamic's driver name; a diameter is not stated in the sources read. beyerdynamic AVENTHO 300 BLACK — official product page and technical data (global store)beyerdynamic AVENTHO 300 — spec sheet E2/AVENTHO 300 (03.25) Sennheiser MOMENTUM 5 Wireless Manufacturer specification Sennheiser MOMENTUM 5 (M5AEBT) — instruction manual, version 07/26 A03	Dynamic STELLAR.45 drivers, angled	42 mm dynamic transducer
Rated frequency rangeDifferent Sources Beyerdynamic AVENTHO 300 Manufacturer specification beyerdynamic AVENTHO 300 BLACK — official product page and technical data (global store)beyerdynamic AVENTHO 300 — spec sheet E2/AVENTHO 300 (03.25) Sennheiser MOMENTUM 5 Wireless Manufacturer specification Sennheiser MOMENTUM 5 Wireless — official UK product page and specifications Sennheiser MOMENTUM 5 (M5AEBT) — instruction manual, version 07/26 A03	5–22,000 Hz	6–40,000 Hz (−10 dB) over USB and Bluetooth; 6–22,000 Hz over the analogue input
Spatial audioDifferent Sources Beyerdynamic AVENTHO 300 Manufacturer specification beyerdynamic AVENTHO 300 — spec sheet E2/AVENTHO 300 (03.25) Sennheiser MOMENTUM 5 Wireless Manufacturer specification · Dolby Atmos and head tracking are switched on or off separately in the Smart Control Plus app; with Dolby Atmos on and the app not running, the headphones use their built-in Dolby virtualizer. Sennheiser MOMENTUM 5 Wireless — official UK product page and specifications Sennheiser MOMENTUM 5 (M5AEBT) — instruction manual, version 07/26 A03	Dolby Atmos with Dolby Head Tracking	Dolby Atmos with head tracking
Rated total harmonic distortion Sources Beyerdynamic AVENTHO 300 No source recorded. Sennheiser MOMENTUM 5 Wireless Manufacturer specification Sennheiser MOMENTUM 5 (M5AEBT) — instruction manual, version 07/26 A03	Not provided	<0.2% at 1 kHz, 100 dB SPL

Microphone Sources Beyerdynamic AVENTHO 300 Manufacturer specification · Six digital MEMS microphones for calls and ANC. beyerdynamic AVENTHO 300 — spec sheet E2/AVENTHO 300 (03.25) Sennheiser MOMENTUM 5 Wireless Manufacturer specification · MEMS speech microphones in a beamforming array for calls. The UK product page instead describes 4 mics per side. Sennheiser MOMENTUM 5 (M5AEBT) — instruction manual, version 07/26 A03	Yes	Yes
Active noise cancellation Sources Beyerdynamic AVENTHO 300 Manufacturer specification · Adaptive hybrid ANC with a transparency mode. beyerdynamic AVENTHO 300 — spec sheet E2/AVENTHO 300 (03.25) Sennheiser MOMENTUM 5 Wireless Manufacturer specification · Hybrid adaptive ANC with a Transparency Mode; ANC modes are selected in the Smart Control Plus app. Automatic wind-noise suppression (Sennheiser's improved Anti-Wind Mode): the manual's Wind Noise Reduction setting offers Off, Auto (automatically adjusted reduction of wind or movement noise) and Max. Sennheiser MOMENTUM 5 Wireless — official UK product page and specifications Sennheiser MOMENTUM 5 (M5AEBT) — instruction manual, version 07/26 A03	Yes	Yes
Transparency (ambient) mode Sources Beyerdynamic AVENTHO 300 No source recorded. Sennheiser MOMENTUM 5 Wireless Manufacturer specification Sennheiser MOMENTUM 5 Wireless — official UK product page and specifications	Not provided	Yes

Controls and appDifferent Sources Beyerdynamic AVENTHO 300 Manufacturer specification beyerdynamic AVENTHO 300 — spec sheet E2/AVENTHO 300 (03.25) Sennheiser MOMENTUM 5 Wireless Manufacturer specification · Touch-pad gestures cover volume, starting/pausing music playback, calls, and ANC or Transparency Mode adjustment; the touch pad function can be deactivated. The multi-function button also serves as the on/off, voice assistant and pairing button. With Smart Pause, putting on the headphones automatically accepts an incoming phone call, and taking them off during a call mutes it until they are put back on. Sennheiser MOMENTUM 5 Wireless — official UK product page and specifications Sennheiser MOMENTUM 5 (M5AEBT) — instruction manual, version 07/26 A03	Touch pad; beyerdynamic app with 5-band equaliser and over-the-air firmware updates; wear detection pauses and resumes playback	Touch pad on the outside of the right ear cup (tapping, horizontal and vertical swipes, stretch and pinch) and a multi-function button; Smart Pause on-head detection pauses music when the headphones are taken off and resumes it when they are put on again
App sound controls Sources Beyerdynamic AVENTHO 300 No source recorded. Sennheiser MOMENTUM 5 Wireless Manufacturer specification · The manual states the sound effects are stored in the headphones. Sennheiser MOMENTUM 5 Wireless — official UK product page and specifications Sennheiser MOMENTUM 5 (M5AEBT) — instruction manual, version 07/26 A03	Not provided	Sennheiser Smart Control Plus app: built-in EQ with presets, sound modes (e.g. bass boost) and own settings, and Sound Personalization

In the boxDifferent Sources Beyerdynamic AVENTHO 300 Manufacturer specification beyerdynamic AVENTHO 300 — spec sheet E2/AVENTHO 300 (03.25) Sennheiser MOMENTUM 5 Wireless Manufacturer specification · The UK product page's box list names a charging case; the manual lists a carry case. The manual list is shown. Sennheiser MOMENTUM 5 (M5AEBT) — instruction manual, version 07/26 A03	Headphones, USB-C to USB-C charging cable, USB-A to USB-C adapter, 3.5 mm mini-jack cable, drawstring bag, hard case, quick start guide, compliance booklet	Headphones, USB-C to USB-C cable (approx. 1.2 m), 2.5 mm-to-3.5 mm audio cable (approx. 1.2 m), carry case, quick guide, safety guide, compliance sheet

Operating temperatureDifferent Sources Beyerdynamic AVENTHO 300 Manufacturer specification beyerdynamic AVENTHO 300 — spec sheet E2/AVENTHO 300 (03.25) Sennheiser MOMENTUM 5 Wireless Manufacturer specification Sennheiser MOMENTUM 5 (M5AEBT) — instruction manual, version 07/26 A03	-10 °C to +50 °C	0 °C to +40 °C

Show unverified (2)Not verified, not provided or conflicting for both products. Kept for completeness; never counted as a difference.

Specifications without verified values for either product
Rated sensitivity Sources Beyerdynamic AVENTHO 300 No source recorded. Sennheiser MOMENTUM 5 Wireless The instruction manual states 106 dB SPL and the UK product page states 108 dB SPL, both at 1 kHz / 0 dBFS. Neither is preferred. · Manufacturer specification · Digital full-scale reference; not comparable with passive headphones' dB/mW or dB/V ratings. Sennheiser MOMENTUM 5 Wireless — official UK product page and specifications Sennheiser MOMENTUM 5 (M5AEBT) — instruction manual, version 07/26 A03	Not provided	Conflicting sources
Battery chemistry Sources Beyerdynamic AVENTHO 300 No source recorded. Sennheiser MOMENTUM 5 Wireless The instruction manual states a replaceable, rechargeable lithium-polymer battery; the UK product page states 'Exchangeable Lithium-Ion rechargeable batteries 700 mAh'. · Manufacturer specification Sennheiser MOMENTUM 5 Wireless — official UK product page and specifications Sennheiser MOMENTUM 5 (M5AEBT) — instruction manual, version 07/26 A03	Not provided	Conflicting sources

First product manufacturer source Second product manufacturer source

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Sennheiser MOMENTUM 4 Wireless

Impedance: 60 Ω
Wearing style: Over-ear (circumaural), closed-back wireless headphones with a foldable design
Wired / wireless connections: Bluetooth 5.2 (SBC, AAC, aptX Adaptive); USB-C for charging, calls and streaming from a PC/Mac; 2.5 mm analogue input with supplied 2.5 mm-to-3.5 mm cable

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Sennheiser ACCENTUM Plus Wireless

Impedance: 95 Ω
Wearing style: Over-ear (circumaural), closed-back wireless headphones with a fold-flat design
Wired / wireless connections: Bluetooth 5.2 (SBC, AAC, aptX, aptX Adaptive); USB-C for charging and streaming from a PC/Mac/mobile device; 2.5 mm analogue input with supplied 2.5 mm-to-3.5 mm cable

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Sennheiser ACCENTUM Wireless

Wearing style: Over-ear (circumaural), closed-back wireless headphones
Wired / wireless connections: Bluetooth 5.2 (SBC, AAC, aptX HD); USB-C for charging, calls and streaming from a PC/Mac/mobile device
Microphone: Yes

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Beyerdynamic MMX 230 wireless

Wearing style: Over-ear (circumaural), closed-back wireless gaming headset with boom microphone
Acoustic design: Closed-back
Wired / wireless connections: Wireless: Bluetooth 6.0 and a low-latency USB-C dongle; USB audio over USB-C; beyerdynamic also lists an analogue connection

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Each record represents an explicitly checked model and configuration. Original import: 5 Sept 2026; this is not its verification date. This is not a list of current offers or a popularity ranking.