HEADPHONES · YOUR NEXT FACE-OFF

Beyerdynamic AVENTHO Y vs Sennheiser MOMENTUM 4 Wireless

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

Compared products

YOUR FIRST CHOICE

Beyerdynamic AVENTHO Y

1002671 · Liquid Black · wireless ANC over-ear

Full product profile Official image

Exact model & source notes

The AVENTHO Y (article 1002671, Liquid Black) is beyerdynamic's foldable, closed-back wireless over-ear headphone with active noise cancellation and a transparency mode. It has a 45 mm dynamic driver, Bluetooth 6.0 with multipoint (SBC and AAC), two integrated ENC call microphones, a 5-band app equaliser and a user-replaceable battery rated at up to 90 hours without ANC and 60 hours with it. It weighs 316 g.

Specifications checked 27 Sept 2026.

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

Manufacturer specifications

WHAT DIFFERS

Driver construction45 mm dynamic driver42 mm dynamic transducer

Rated frequency range20–20,000 Hz6–22,000 Hz (−10 dB)

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

3 of 10 verified differences, in the order listed below. Not a rating.

See the 10 verified differences

THE CONTENDER

Sennheiser MOMENTUM 4 Wireless

Black · model M4AEBT

Full product profile Official image

Exact model & source notes

The MOMENTUM 4 Wireless (article 509266, black) is Sennheiser's closed-back, around-ear Bluetooth headphone with hybrid adaptive noise cancellation, a Transparency Mode, a 42 mm dynamic driver and a rated 60 hours of playback with ANC on. Sennheiser's app adds EQ, presets, sound modes and Sound Personalization, and Smart Pause and Auto On/Off react to the headphones being taken off. 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 Y UK & US retailers

UK & US price history: no verified listing yet

Sennheiser MOMENTUM 4 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 Y: closed-back · illustration, not to scale

Sennheiser MOMENTUM 4 Wireless: closed-back · illustration, not to scale

Beyerdynamic AVENTHO YNo

Closed-back. Manufacturer specification

Source 1 Source 2

Sennheiser MOMENTUM 4 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 ↓

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

Wired / wireless connections

Beyerdynamic AVENTHO YBluetooth 6.0 with multipoint; USB-C port (beyerdynamic lists the supplied USB-C to USB-C cable type as 'USB-C / audio cable')

Sennheiser MOMENTUM 4 WirelessBluetooth 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

Sources

Beyerdynamic AVENTHO Y

Manufacturer specification · An optional upgrade package adds a USB-C dongle and boom microphone; it is not in the standard box.

beyerdynamic AVENTHO Y — global product page and technical data beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26)

Sennheiser MOMENTUM 4 Wireless

Manufacturer specification · Connecting the analogue cable switches Bluetooth off (flight mode). The UK product page additionally lists standard aptX.

Sennheiser MOMENTUM 4 Wireless — official UK product page and specifications Sennheiser MOMENTUM 4 (M4AEBT) — instruction manual, version 07/25

Check the exact configuration and source conditions for your use.

Battery life

Beyerdynamic AVENTHO YUp to 90 hours without ANC; up to 60 hours with ANC

Sennheiser MOMENTUM 4 WirelessUp to 60 hours of Bluetooth music playback with ANC on; approx. 2 hours to charge fully, with 5 minutes giving up to 4 hours

Sources

Beyerdynamic AVENTHO Y

Manufacturer specification · The specification sheet says 'up to'; the product page's technical data says 'More than 90 hours' and 'More than 60 hours' with ANC. The battery is user-replaceable.

beyerdynamic AVENTHO Y — global product page and technical data beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26)

Sennheiser MOMENTUM 4 Wireless

Manufacturer specification · Sennheiser's test condition: iPhone at mid volume. Built-in 700 mAh battery (the manual and UK page disagree on its chemistry).

Sennheiser MOMENTUM 4 Wireless — official UK product page and specifications Sennheiser MOMENTUM 4 (M4AEBT) — instruction manual, version 07/25

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

Driver construction

Beyerdynamic AVENTHO Y45 mm dynamic driver

Sennheiser MOMENTUM 4 Wireless42 mm dynamic transducer

Sources

Beyerdynamic AVENTHO Y

Manufacturer specification

beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26)

Sennheiser MOMENTUM 4 Wireless

Manufacturer specification

Sennheiser MOMENTUM 4 (M4AEBT) — instruction manual, version 07/25

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

App features

Beyerdynamic AVENTHO Ybeyerdynamic app: customise music playback and device controls, 5-band equaliser, over-the-air firmware updates

Sennheiser MOMENTUM 4 WirelessSennheiser Smart Control app: built-in EQ, presets, sound modes (e.g. bass boost) and Sound Personalization

Sources

Beyerdynamic AVENTHO Y

Manufacturer specification

beyerdynamic AVENTHO Y — global product page and technical data beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26)

Sennheiser MOMENTUM 4 Wireless

Manufacturer specification · Requires the Sennheiser app on a smartphone; the product page also names it Smart Control Plus.

Sennheiser MOMENTUM 4 Wireless — official UK product page and specifications Sennheiser MOMENTUM 4 (M4AEBT) — instruction manual, version 07/25

Check the exact configuration and source conditions for your use.

Bluetooth codecs

Beyerdynamic AVENTHO YSBC, AAC

Sennheiser MOMENTUM 4 WirelessSBC, AAC, aptX, aptX Adaptive

Sources

Beyerdynamic AVENTHO Y

Manufacturer specification

beyerdynamic AVENTHO Y — global product page and technical data beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26)

Sennheiser MOMENTUM 4 Wireless

Manufacturer specification · Standard aptX is listed on the UK product page ('SBC, AAC, aptX™, aptX adaptive™'); the instruction manual lists only aptX Adaptive, AAC and SBC.

Sennheiser MOMENTUM 4 Wireless — official UK product page and specifications Sennheiser MOMENTUM 4 (M4AEBT) — instruction manual, version 07/25

Check the exact configuration and source conditions for your use.

Charging

Beyerdynamic AVENTHO YUSB-C

Sennheiser MOMENTUM 4 WirelessUSB-C; approx. 2 hours for a full charge

Sources

Beyerdynamic AVENTHO Y

Manufacturer specification · Charging temperature range 0 to +45 °C.

beyerdynamic AVENTHO Y — global product page and technical data beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26)

Sennheiser MOMENTUM 4 Wireless

Manufacturer specification · The maximum charging input differs between Sennheiser's sources: the instruction manual lists 5 V, 750 mA max; the UK product page lists 5 V, 800 mA max. Neither figure is chosen.

Sennheiser MOMENTUM 4 Wireless — official UK product page and specifications Sennheiser MOMENTUM 4 (M4AEBT) — instruction manual, version 07/25

Check the exact configuration and source conditions for your use.

Show 4 more verified differences

Rated frequency range

Beyerdynamic AVENTHO Y20–20,000 Hz

Sennheiser MOMENTUM 4 Wireless6–22,000 Hz (−10 dB)

Sources

Beyerdynamic AVENTHO Y

Manufacturer specification

beyerdynamic AVENTHO Y — global product page and technical data beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26)

Sennheiser MOMENTUM 4 Wireless

Manufacturer specification

Sennheiser MOMENTUM 4 (M4AEBT) — instruction manual, version 07/25

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 YAVENTHO Y headphones, USB-C to USB-C charging cable, soft bag, quick start guide, compliance booklet

Sennheiser MOMENTUM 4 WirelessHeadphones, USB-C to USB-A cable (approx. 1.2 m), 2.5 mm-to-3.5 mm audio cable (approx. 1.2 m), in-flight adapter, carry case

Sources

Beyerdynamic AVENTHO Y

Manufacturer specification

beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26)

Sennheiser MOMENTUM 4 Wireless

Manufacturer specification

Sennheiser MOMENTUM 4 (M4AEBT) — instruction manual, version 07/25

Check the exact configuration and source conditions for your use.

Operating temperature

Beyerdynamic AVENTHO Y−10 to +50 °C

Sennheiser MOMENTUM 4 Wireless0 °C to +40 °C

Sources

Beyerdynamic AVENTHO Y

Manufacturer specification

beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26)

Sennheiser MOMENTUM 4 Wireless

Manufacturer specification

Sennheiser MOMENTUM 4 (M4AEBT) — instruction manual, version 07/25

Check the exact configuration and source conditions for your use.

Weight without cable

Beyerdynamic AVENTHO Y316 g

Sennheiser MOMENTUM 4 Wireless293 g

Sources

Beyerdynamic AVENTHO Y

Manufacturer specification · The product pages state 316 g without cable; the specification sheet gives 316 g without stating the basis.

beyerdynamic AVENTHO Y — global product page and technical data beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26)

Sennheiser MOMENTUM 4 Wireless

Manufacturer specification · Approximate, headphones only; the manual does not state a cable-inclusive figure.

Sennheiser MOMENTUM 4 (M4AEBT) — instruction manual, version 07/25

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

Configuration & compatibility details (1)

Wearing style

Beyerdynamic AVENTHO YOver-ear, closed-back foldable wireless headphones

Sennheiser MOMENTUM 4 WirelessOver-ear (circumaural), closed-back wireless headphones with a foldable design

Sources

Beyerdynamic AVENTHO Y

Manufacturer specification

beyerdynamic AVENTHO Y — global product page and technical data beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26)

Sennheiser MOMENTUM 4 Wireless

Manufacturer specification · Sennheiser's US store describes a 'Lightweight, foldable design'; the instruction manual says to fold up the headphones and place them in the carry case.

Sennheiser US store — MOMENTUM 4 Wireless product variant data (SKU and UPC per colour)Sennheiser MOMENTUM 4 (M4AEBT) — instruction manual, version 07/25

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 (16)

Nominal impedance

Beyerdynamic AVENTHO YNot verified

Sennheiser MOMENTUM 4 Wireless60 ohm

Sources

Beyerdynamic AVENTHO Y

No source recorded for this side.

Sennheiser MOMENTUM 4 Wireless

Manufacturer specification · Passive (analogue cable) mode; the page lists 470 ohms in active mode.

Sennheiser MOMENTUM 4 Wireless — official UK product page and specifications

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

Battery

Beyerdynamic AVENTHO YNot verified

Sennheiser MOMENTUM 4 WirelessBuilt-in, 3.7 V, 700 mAh, 2.59 Wh

Sources

Beyerdynamic AVENTHO Y

No source recorded for this side.

Sennheiser MOMENTUM 4 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 4 Wireless — official UK product page and specifications Sennheiser MOMENTUM 4 (M4AEBT) — instruction manual, version 07/25

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

Battery chemistry

Beyerdynamic AVENTHO YNot verified

Sennheiser MOMENTUM 4 WirelessConflicting evidence

Sources

Beyerdynamic AVENTHO Y

No source recorded for this side.

Sennheiser MOMENTUM 4 Wireless

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

Sennheiser MOMENTUM 4 Wireless — official UK product page and specifications Sennheiser MOMENTUM 4 (M4AEBT) — instruction manual, version 07/25

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

Bluetooth version and profiles

Beyerdynamic AVENTHO YBluetooth 6.0; HFP, A2DP, AVRCP

Sennheiser MOMENTUM 4 WirelessNot verified

Sources

Beyerdynamic AVENTHO Y

Manufacturer specification

beyerdynamic AVENTHO Y — global product page and technical data beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26)

Sennheiser MOMENTUM 4 Wireless

No source recorded for this side.

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

Charge time

Beyerdynamic AVENTHO Y1 hour full charge; 5 minutes gives 6 hours of playtime

Sennheiser MOMENTUM 4 WirelessNot verified

Sources

Beyerdynamic AVENTHO Y

Manufacturer specification

beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26)

Sennheiser MOMENTUM 4 Wireless

No source recorded for this side.

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

Controls and sensors

Beyerdynamic AVENTHO YNot verified

Sennheiser MOMENTUM 4 WirelessTouch pad on the right ear cup (tap, horizontal and vertical swipe, stretch and pinch gestures) and a multi-function button; Smart Pause pauses playback when the headphones are taken off and resumes when they are put back on; Auto On/Off powers up when picked up and shuts down when not in use; automatic wind noise reduction

Sources

Beyerdynamic AVENTHO Y

No source recorded for this side.

Sennheiser MOMENTUM 4 Wireless

Manufacturer specification · Sennheiser describes the touch interface as controlling music, calls, ANC and voice assistants; the manual adds volume (vertical swipe) and switching between ANC and Transparency Mode (double tap), and says the touch pad function can be deactivated in the Smart Control app. The multi-function button is the on/off, voice assistant and pairing button. Wind Noise Reduction is set in the Smart Control app's Active Noise Cancellation section (Off, Auto by default, or Max); the UK page describes automatic wind noise suppression for calls.

Sennheiser MOMENTUM 4 Wireless — official UK product page and specifications Sennheiser US store — MOMENTUM 4 Wireless product variant data (SKU and UPC per colour)Sennheiser MOMENTUM 4 (M4AEBT) — instruction manual, version 07/25

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

Rated total harmonic distortion

Beyerdynamic AVENTHO YNot verified

Sennheiser MOMENTUM 4 Wireless<0.3% at 1 kHz, 100 dB SPL

Sources

Beyerdynamic AVENTHO Y

No source recorded for this side.

Sennheiser MOMENTUM 4 Wireless

Manufacturer specification

Sennheiser MOMENTUM 4 (M4AEBT) — instruction manual, version 07/25

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

Driver diameter

Beyerdynamic AVENTHO Y45 mm

Sennheiser MOMENTUM 4 WirelessNot verified

Sources

Beyerdynamic AVENTHO Y

Manufacturer specification

beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26)

Sennheiser MOMENTUM 4 Wireless

No source recorded for this side.

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

Earpads

Beyerdynamic AVENTHO YInterchangeable, magnetically attached; optional velour ear pads in black/grey

Sennheiser MOMENTUM 4 WirelessNot verified

Sources

Beyerdynamic AVENTHO Y

Manufacturer specification

beyerdynamic AVENTHO Y — global product page and technical data beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26)

Sennheiser MOMENTUM 4 Wireless

No source recorded for this side.

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

Construction

Beyerdynamic AVENTHO YFoldable, with aluminium yoke and round ear cups

Sennheiser MOMENTUM 4 WirelessNot verified

Sources

Beyerdynamic AVENTHO Y

Manufacturer specification

beyerdynamic AVENTHO Y — global product page and technical data beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26)

Sennheiser MOMENTUM 4 Wireless

No source recorded for this side.

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

Microphone type

Beyerdynamic AVENTHO Y2 integrated microphones with ENC (environmental noise cancellation); META VOICE boom mic available as an optional accessory

Sennheiser MOMENTUM 4 WirelessNot verified

Sources

Beyerdynamic AVENTHO Y

Manufacturer specification

beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26)

Sennheiser MOMENTUM 4 Wireless

No source recorded for this side.

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

Multipoint

Beyerdynamic AVENTHO YYes — Multipoint Bluetooth 6.0

Sennheiser MOMENTUM 4 Wireless2

Sources

Beyerdynamic AVENTHO Y

Manufacturer specification

beyerdynamic AVENTHO Y — global product page and technical data beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26)

Sennheiser MOMENTUM 4 Wireless

Manufacturer specification

Sennheiser MOMENTUM 4 (M4AEBT) — instruction manual, version 07/25

The recorded units or formats differ. These values are not ranked.

Device compatibility

Beyerdynamic AVENTHO YSmartphones, tablets, laptops and desktop computers with Bluetooth; iOS, Android, Windows and macOS

Sennheiser MOMENTUM 4 WirelessNot verified

Sources

Beyerdynamic AVENTHO Y

Manufacturer specification

beyerdynamic AVENTHO Y — global product page and technical data

Sennheiser MOMENTUM 4 Wireless

No source recorded for this side.

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

Rated sensitivity

Beyerdynamic AVENTHO YNot verified

Sennheiser MOMENTUM 4 Wireless106 dB SPL (1 kHz, 0 dBFS)

Sources

Beyerdynamic AVENTHO Y

No source recorded for this side.

Sennheiser MOMENTUM 4 Wireless

Manufacturer specification · Digital full-scale reference; not comparable with passive headphones' dB/mW or dB/V ratings.

Sennheiser MOMENTUM 4 (M4AEBT) — instruction manual, version 07/25

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

Serviceability

Beyerdynamic AVENTHO YUser-replaceable battery in the left ear cup, behind the magnetically attached ear cushion

Sennheiser MOMENTUM 4 WirelessNot verified

Sources

Beyerdynamic AVENTHO Y

Manufacturer specification

beyerdynamic AVENTHO Y — global product page and technical data beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26)

Sennheiser MOMENTUM 4 Wireless

No source recorded for this side.

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

Wireless range

Beyerdynamic AVENTHO YUp to 20 m

Sennheiser MOMENTUM 4 WirelessNot verified

Sources

Beyerdynamic AVENTHO Y

Manufacturer specification

beyerdynamic AVENTHO Y — global product page and technical data beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26)

Sennheiser MOMENTUM 4 Wireless

No source recorded for this side.

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

4 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 Y

Select a feature to check your fit.

YOUR CHOICE

Sennheiser MOMENTUM 4 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 Y

What it brings

The battery can be replaced by the user — it sits in the left ear cup behind the magnetic ear cushion — and the ear pads are interchangeable.
Manufacturer source Manufacturer source
beyerdynamic rates up to 60 hours with ANC on, and a 5-minute charge gives 6 hours of playtime.
Manufacturer source Manufacturer source
A USB-C dongle and boom microphone can be added later as an optional upgrade package.
Manufacturer source

What to check

The codec list is SBC and AAC only, and the boom microphone and dongle are not in the standard box.
Manufacturer source Manufacturer source
beyerdynamic publishes no ANC attenuation figure, and its battery wording differs between 'up to' (specification sheet) and 'more than' (product page).
Manufacturer source Manufacturer source

Sennheiser MOMENTUM 4 Wireless

What it brings

Sennheiser rates the battery at up to 60 hours of Bluetooth playback with ANC switched on, with about 2 hours for a full charge and 5 minutes giving up to 4 hours.
Manufacturer source Manufacturer source
Besides Bluetooth 5.2 with aptX Adaptive and two simultaneous connections, it accepts USB-C audio from a PC or Mac and an analogue cable for flight use.
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 rates the mass at about 293 g for the headphones alone, and its 106 dB sensitivity figure uses a digital full-scale reference, so it cannot be compared with passive headphones' ratings.
Manufacturer source

COMPARE THE DETAILS

Full specifications

How we verify

Differences only

31 of 31 specifications Sources in each row

Source-backed specifications for Beyerdynamic AVENTHO Y and Sennheiser MOMENTUM 4 Wireless
Specification	Beyerdynamic AVENTHO Y	Sennheiser MOMENTUM 4 Wireless

Wearing styleDifferent Sources Beyerdynamic AVENTHO Y Manufacturer specification beyerdynamic AVENTHO Y — global product page and technical data beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26) Sennheiser MOMENTUM 4 Wireless Manufacturer specification · Sennheiser's US store describes a 'Lightweight, foldable design'; the instruction manual says to fold up the headphones and place them in the carry case. Sennheiser US store — MOMENTUM 4 Wireless product variant data (SKU and UPC per colour)Sennheiser MOMENTUM 4 (M4AEBT) — instruction manual, version 07/25	Over-ear, closed-back foldable wireless headphones	Over-ear (circumaural), closed-back wireless headphones with a foldable design
Acoustic design Sources Beyerdynamic AVENTHO Y Manufacturer specification beyerdynamic AVENTHO Y — global product page and technical data beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26) Sennheiser MOMENTUM 4 Wireless Manufacturer specification Sennheiser MOMENTUM 4 (M4AEBT) — instruction manual, version 07/25	Closed-back	Closed-back
Weight without cableDifferent Sources Beyerdynamic AVENTHO Y Manufacturer specification · The product pages state 316 g without cable; the specification sheet gives 316 g without stating the basis. beyerdynamic AVENTHO Y — global product page and technical data beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26) Sennheiser MOMENTUM 4 Wireless Manufacturer specification · Approximate, headphones only; the manual does not state a cable-inclusive figure. Sennheiser MOMENTUM 4 (M4AEBT) — instruction manual, version 07/25	316 g	293 g
Earpads Sources Beyerdynamic AVENTHO Y Manufacturer specification beyerdynamic AVENTHO Y — global product page and technical data beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26) Sennheiser MOMENTUM 4 Wireless No source recorded.	Interchangeable, magnetically attached; optional velour ear pads in black/grey	Not provided
Serviceability Sources Beyerdynamic AVENTHO Y Manufacturer specification beyerdynamic AVENTHO Y — global product page and technical data beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26) Sennheiser MOMENTUM 4 Wireless No source recorded.	User-replaceable battery in the left ear cup, behind the magnetically attached ear cushion	Not provided
Construction Sources Beyerdynamic AVENTHO Y Manufacturer specification beyerdynamic AVENTHO Y — global product page and technical data beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26) Sennheiser MOMENTUM 4 Wireless No source recorded.	Foldable, with aluminium yoke and round ear cups	Not provided

Wired / wireless connectionsDifferent Sources Beyerdynamic AVENTHO Y Manufacturer specification · An optional upgrade package adds a USB-C dongle and boom microphone; it is not in the standard box. beyerdynamic AVENTHO Y — global product page and technical data beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26) Sennheiser MOMENTUM 4 Wireless Manufacturer specification · Connecting the analogue cable switches Bluetooth off (flight mode). The UK product page additionally lists standard aptX. Sennheiser MOMENTUM 4 Wireless — official UK product page and specifications Sennheiser MOMENTUM 4 (M4AEBT) — instruction manual, version 07/25	Bluetooth 6.0 with multipoint; USB-C port (beyerdynamic lists the supplied USB-C to USB-C cable type as 'USB-C / audio cable')	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
Bluetooth version and profiles Sources Beyerdynamic AVENTHO Y Manufacturer specification beyerdynamic AVENTHO Y — global product page and technical data beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26) Sennheiser MOMENTUM 4 Wireless No source recorded.	Bluetooth 6.0; HFP, A2DP, AVRCP	Not provided
Bluetooth codecsDifferent Sources Beyerdynamic AVENTHO Y Manufacturer specification beyerdynamic AVENTHO Y — global product page and technical data beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26) Sennheiser MOMENTUM 4 Wireless Manufacturer specification · Standard aptX is listed on the UK product page ('SBC, AAC, aptX™, aptX adaptive™'); the instruction manual lists only aptX Adaptive, AAC and SBC. Sennheiser MOMENTUM 4 Wireless — official UK product page and specifications Sennheiser MOMENTUM 4 (M4AEBT) — instruction manual, version 07/25	SBC, AAC	SBC, AAC, aptX, aptX Adaptive
Multipoint Sources Beyerdynamic AVENTHO Y Manufacturer specification beyerdynamic AVENTHO Y — global product page and technical data beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26) Sennheiser MOMENTUM 4 Wireless Manufacturer specification Sennheiser MOMENTUM 4 (M4AEBT) — instruction manual, version 07/25	Yes — Multipoint Bluetooth 6.0	2
Wireless range Sources Beyerdynamic AVENTHO Y Manufacturer specification beyerdynamic AVENTHO Y — global product page and technical data beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26) Sennheiser MOMENTUM 4 Wireless No source recorded.	Up to 20 m	Not provided
Battery lifeDifferent Sources Beyerdynamic AVENTHO Y Manufacturer specification · The specification sheet says 'up to'; the product page's technical data says 'More than 90 hours' and 'More than 60 hours' with ANC. The battery is user-replaceable. beyerdynamic AVENTHO Y — global product page and technical data beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26) Sennheiser MOMENTUM 4 Wireless Manufacturer specification · Sennheiser's test condition: iPhone at mid volume. Built-in 700 mAh battery (the manual and UK page disagree on its chemistry). Sennheiser MOMENTUM 4 Wireless — official UK product page and specifications Sennheiser MOMENTUM 4 (M4AEBT) — instruction manual, version 07/25	Up to 90 hours without ANC; up to 60 hours with ANC	Up to 60 hours of Bluetooth music playback with ANC on; approx. 2 hours to charge fully, with 5 minutes giving up to 4 hours
Charge time Sources Beyerdynamic AVENTHO Y Manufacturer specification beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26) Sennheiser MOMENTUM 4 Wireless No source recorded.	1 hour full charge; 5 minutes gives 6 hours of playtime	Not provided
ChargingDifferent Sources Beyerdynamic AVENTHO Y Manufacturer specification · Charging temperature range 0 to +45 °C. beyerdynamic AVENTHO Y — global product page and technical data beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26) Sennheiser MOMENTUM 4 Wireless Manufacturer specification · The maximum charging input differs between Sennheiser's sources: the instruction manual lists 5 V, 750 mA max; the UK product page lists 5 V, 800 mA max. Neither figure is chosen. Sennheiser MOMENTUM 4 Wireless — official UK product page and specifications Sennheiser MOMENTUM 4 (M4AEBT) — instruction manual, version 07/25	USB-C	USB-C; approx. 2 hours for a full charge
Device compatibility Sources Beyerdynamic AVENTHO Y Manufacturer specification beyerdynamic AVENTHO Y — global product page and technical data Sennheiser MOMENTUM 4 Wireless No source recorded.	Smartphones, tablets, laptops and desktop computers with Bluetooth; iOS, Android, Windows and macOS	Not provided
Battery Sources Beyerdynamic AVENTHO Y No source recorded. Sennheiser MOMENTUM 4 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 4 Wireless — official UK product page and specifications Sennheiser MOMENTUM 4 (M4AEBT) — instruction manual, version 07/25	Not provided	Built-in, 3.7 V, 700 mAh, 2.59 Wh

Driver constructionDifferent Sources Beyerdynamic AVENTHO Y Manufacturer specification beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26) Sennheiser MOMENTUM 4 Wireless Manufacturer specification Sennheiser MOMENTUM 4 (M4AEBT) — instruction manual, version 07/25	45 mm dynamic driver	42 mm dynamic transducer
Driver diameter Sources Beyerdynamic AVENTHO Y Manufacturer specification beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26) Sennheiser MOMENTUM 4 Wireless No source recorded.	45 mm	Not provided
Rated frequency rangeDifferent Sources Beyerdynamic AVENTHO Y Manufacturer specification beyerdynamic AVENTHO Y — global product page and technical data beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26) Sennheiser MOMENTUM 4 Wireless Manufacturer specification Sennheiser MOMENTUM 4 (M4AEBT) — instruction manual, version 07/25	20–20,000 Hz	6–22,000 Hz (−10 dB)
Rated sensitivity Sources Beyerdynamic AVENTHO Y No source recorded. Sennheiser MOMENTUM 4 Wireless Manufacturer specification · Digital full-scale reference; not comparable with passive headphones' dB/mW or dB/V ratings. Sennheiser MOMENTUM 4 (M4AEBT) — instruction manual, version 07/25	Not provided	106 dB SPL (1 kHz, 0 dBFS)
Nominal impedance Sources Beyerdynamic AVENTHO Y No source recorded. Sennheiser MOMENTUM 4 Wireless Manufacturer specification · Passive (analogue cable) mode; the page lists 470 ohms in active mode. Sennheiser MOMENTUM 4 Wireless — official UK product page and specifications	Not provided	60 ohm
Rated total harmonic distortion Sources Beyerdynamic AVENTHO Y No source recorded. Sennheiser MOMENTUM 4 Wireless Manufacturer specification Sennheiser MOMENTUM 4 (M4AEBT) — instruction manual, version 07/25	Not provided	<0.3% at 1 kHz, 100 dB SPL

Microphone Sources Beyerdynamic AVENTHO Y Manufacturer specification · Two integrated microphones with ENC; a META VOICE boom microphone is an optional accessory. beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26) Sennheiser MOMENTUM 4 Wireless Manufacturer specification · Four MEMS speech microphones in a 2 × 2 beamforming array for calls. Sennheiser MOMENTUM 4 (M4AEBT) — instruction manual, version 07/25	Yes	Yes
Microphone type Sources Beyerdynamic AVENTHO Y Manufacturer specification beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26) Sennheiser MOMENTUM 4 Wireless No source recorded.	2 integrated microphones with ENC (environmental noise cancellation); META VOICE boom mic available as an optional accessory	Not provided
Active noise cancellation Sources Beyerdynamic AVENTHO Y Manufacturer specification · No attenuation figure is published. beyerdynamic AVENTHO Y — global product page and technical data beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26) Sennheiser MOMENTUM 4 Wireless Manufacturer specification · Hybrid adaptive ANC with a Transparency Mode. Sennheiser MOMENTUM 4 Wireless — official UK product page and specifications Sennheiser MOMENTUM 4 (M4AEBT) — instruction manual, version 07/25	Yes	Yes
Transparency mode Sources Beyerdynamic AVENTHO Y Manufacturer specification beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26) Sennheiser MOMENTUM 4 Wireless Manufacturer specification · Activated with a touch, according to Sennheiser's UK product page. Sennheiser MOMENTUM 4 Wireless — official UK product page and specifications	Yes	Yes

App featuresDifferent Sources Beyerdynamic AVENTHO Y Manufacturer specification beyerdynamic AVENTHO Y — global product page and technical data beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26) Sennheiser MOMENTUM 4 Wireless Manufacturer specification · Requires the Sennheiser app on a smartphone; the product page also names it Smart Control Plus. Sennheiser MOMENTUM 4 Wireless — official UK product page and specifications Sennheiser MOMENTUM 4 (M4AEBT) — instruction manual, version 07/25	beyerdynamic app: customise music playback and device controls, 5-band equaliser, over-the-air firmware updates	Sennheiser Smart Control app: built-in EQ, presets, sound modes (e.g. bass boost) and Sound Personalization
Controls and sensors Sources Beyerdynamic AVENTHO Y No source recorded. Sennheiser MOMENTUM 4 Wireless Manufacturer specification · Sennheiser describes the touch interface as controlling music, calls, ANC and voice assistants; the manual adds volume (vertical swipe) and switching between ANC and Transparency Mode (double tap), and says the touch pad function can be deactivated in the Smart Control app. The multi-function button is the on/off, voice assistant and pairing button. Wind Noise Reduction is set in the Smart Control app's Active Noise Cancellation section (Off, Auto by default, or Max); the UK page describes automatic wind noise suppression for calls. Sennheiser MOMENTUM 4 Wireless — official UK product page and specifications Sennheiser US store — MOMENTUM 4 Wireless product variant data (SKU and UPC per colour)Sennheiser MOMENTUM 4 (M4AEBT) — instruction manual, version 07/25	Not provided	Touch pad on the right ear cup (tap, horizontal and vertical swipe, stretch and pinch gestures) and a multi-function button; Smart Pause pauses playback when the headphones are taken off and resumes when they are put back on; Auto On/Off powers up when picked up and shuts down when not in use; automatic wind noise reduction

In the boxDifferent Sources Beyerdynamic AVENTHO Y Manufacturer specification beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26) Sennheiser MOMENTUM 4 Wireless Manufacturer specification Sennheiser MOMENTUM 4 (M4AEBT) — instruction manual, version 07/25	AVENTHO Y headphones, USB-C to USB-C charging cable, soft bag, quick start guide, compliance booklet	Headphones, USB-C to USB-A cable (approx. 1.2 m), 2.5 mm-to-3.5 mm audio cable (approx. 1.2 m), in-flight adapter, carry case

Operating temperatureDifferent Sources Beyerdynamic AVENTHO Y Manufacturer specification beyerdynamic AVENTHO Y — English specification sheet (E1, 07.26) Sennheiser MOMENTUM 4 Wireless Manufacturer specification Sennheiser MOMENTUM 4 (M4AEBT) — instruction manual, version 07/25	−10 to +50 °C	0 °C to +40 °C

Show unverified (1)Not verified, not provided or conflicting for both products. Kept for completeness; never counted as a difference.

Specifications without verified values for either product
Battery chemistry Sources Beyerdynamic AVENTHO Y No source recorded. Sennheiser MOMENTUM 4 Wireless The instruction manual states a built-in rechargeable lithium-polymer battery; the UK product page states 'Built-in Lithium-Ion rechargeable batteries 700 mAh'. · Manufacturer specification Sennheiser MOMENTUM 4 Wireless — official UK product page and specifications Sennheiser MOMENTUM 4 (M4AEBT) — instruction manual, version 07/25	Not provided	Conflicting sources

First product manufacturer source Second product manufacturer source

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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.