HEADPHONES · YOUR NEXT FACE-OFF

Beats Powerbeats Fit vs Sennheiser HD 650

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

Compared products

YOUR FIRST CHOICE

Beats Powerbeats Fit

ME2J4ZM/A · Jet Black · UK

Full product profile Official image

Exact model & source notes

Powerbeats Fit (ME2J4ZM/A in Jet Black in the UK, ME2J4LL/A in the US) are Beats' wing-tip workout earbuds with active noise cancelling, Transparency mode and Apple's H1 chip, and they work with Apple and Android devices (the Beats app for Android adds extra features). Beats rates them at up to 7 hours per charge with ANC off (6 hours with ANC on) and 30 hours with the case.

Specifications checked 26 Sept 2026.

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

Manufacturer specifications

WHICH SUITS YOU?

Choose the Beats Powerbeats Fit for

A wireless connection

Choose the Sennheiser HD 650 for

A wired connection

Built from verified specifications that differ. Not a rating or a recommendation.

See the 3 verified differences

THE CONTENDER

Sennheiser HD 650

508825 · titanium-silver · 300 ohm · standard 3 m unbalanced cable

Full product profile Official image

Exact model & source notes

The HD 650 is an open-back, over-ear headphone with a 42 mm dynamic driver rated 10–41,000 Hz (−10 dB) at 300 ohms. It comes with a detachable 3 m 6.35 mm cable and a 3.5 mm adapter; balanced cables are optional extras.

Specifications checked 11 Sept 2026.

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

Manufacturer specifications

Beats Powerbeats Fit UK & US retailers

UK & US price history: no verified listing yet

Sennheiser HD 650 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.

Beats Powerbeats FitNot verified

Sennheiser HD 650Yes

Open-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 ↓

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

Wired / wireless connections

Beats Powerbeats FitClass 1 Bluetooth (version not stated); USB-C case charging

Sennheiser HD 650Wired analogue; detachable 6.35 mm unbalanced cable and included 3.5 mm adapter

Sources

Beats Powerbeats Fit

Manufacturer specification · Beats does not state a Bluetooth version on the UK or US page. Power adapter and USB-C cable sold separately; no wireless charging is listed.

Beats (UK) — Powerbeats Fit product page, tech specs and FAQ

Sennheiser HD 650

Manufacturer specification · Optional 4.4 mm and XLR-4 balanced cables are sold separately.

Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details

Check the exact configuration and source conditions for your use.

Driver construction

Beats Powerbeats FitAxial-aligned drivers

Sennheiser HD 65042 mm dynamic transducer with 38 mm diaphragm and aluminium voice coil; acoustic mesh and hand-paired transducers within stated ±1 dB tolerance

Sources

Beats Powerbeats Fit

Manufacturer specification · Beats says the earbud’s ergonomic shape is built around axial-aligned drivers; it does not state a driver size.

Beats (UK) — Powerbeats Fit product page, tech specs and FAQ Beats (US) — Powerbeats Fit product page, tech specs and FAQ

Sennheiser HD 650

Manufacturer specification · The driver, diaphragm and voice-coil sizes describe different parts.

Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details

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

Wearing style

Beats Powerbeats FitIn-ear, true wireless with flexible wing tips

Sennheiser HD 650Over-ear (circumaural), open-back dynamic headphones

Sources

Beats Powerbeats Fit

Manufacturer specification · Two separate earbuds with a one-size flexible wing tip and ear tips in four sizes (XS, S, M, L), supplied with a charging case.

Beats (UK) — Powerbeats Fit product page, tech specs and FAQ

Sennheiser HD 650

Manufacturer specification

Sennheiser HD 650 — manufacturer specifications

Check the exact configuration and source conditions for your use.

Missing or non-comparable evidence (29)

Acoustic design

Beats Powerbeats FitNot verified

Sennheiser HD 650Open-back

Sources

Beats Powerbeats Fit

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification

Sennheiser HD 650 — manufacturer specifications

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

Active noise cancellation

Beats Powerbeats FitYes

Sennheiser HD 650Not verified

Sources

Beats Powerbeats Fit

Manufacturer specification · Active Noise Cancelling and Transparency mode.

Beats (UK) — Powerbeats Fit product page, tech specs and FAQ

Sennheiser HD 650

The reviewed exact manufacturer sources establish open-back dynamic construction but do not explicitly state whether active noise cancellation is present or absent. Acoustic mesh, an absorber or an omitted ANC control does not establish ANC=false. · Manufacturer specification

Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details

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

Microphone

In Visual facts

Beats Powerbeats FitYes

Sennheiser HD 650Not verified

Sources

Beats Powerbeats Fit

Manufacturer specification · Three microphones per earbud (six in total) with beam-forming for calls; an internal processor reduces external noise such as wind.

Beats (UK) — Powerbeats Fit product page, tech specs and FAQ

Sennheiser HD 650

The reviewed exact manufacturer sources do not explicitly establish microphone presence or absence for the supplied configuration. Stereo audio conductors and omitted controls are not proof that no microphone exists. · Manufacturer specification

Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details

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

Battery life

Beats Powerbeats FitEarbuds: up to 7 hours with ANC or Transparency off, up to 6 hours with ANC or Transparency on. With the charging case (around three additional charges): up to 30 hours with ANC/Transparency off, 24 hours with ANC/Transparency on. Fast Fuel: 5 minutes gives up to 1 hour.

Sennheiser HD 650Not verified

Sources

Beats Powerbeats Fit

Manufacturer specification · Apple's tests (May 2025, pre-production units paired with iPhone 15 Pro, 50% volume) ran until the first earbud stopped playback. The Fast Fuel figure was measured with ANC and Transparency off via a USB-C cable.

Beats (UK) — Powerbeats Fit product page, tech specs and FAQ Beats (US) — Powerbeats Fit product page, tech specs and FAQ Beats (UK) — Compare products (feature data and battery footnotes)

Sennheiser HD 650

The reviewed exact manufacturer sources do not explicitly give battery life or state that no battery is required for operation. A wired analogue connection is known; the generic disposal wording “battery/rechargeable battery (if applicable)” establishes neither presence nor absence. · Manufacturer specification

Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details

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

Nominal impedance

Beats Powerbeats FitNot verified

Sennheiser HD 650300 ohm

Sources

Beats Powerbeats Fit

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification · Nominal impedance; check that your amplifier or audio source can drive this load.

Sennheiser HD 650 — exact UK article and product details

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

Adaptive EQ

Beats Powerbeats FitYes

Sennheiser HD 650Not verified

Sources

Beats Powerbeats Fit

Manufacturer specification · With ANC and Transparency off, Adaptive EQ uses up to five microphones to tailor sound to the fit and seal of each earbud.

Beats (UK) — Powerbeats Fit product page, tech specs and FAQ

Sennheiser HD 650

No source recorded for this side.

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

Companion app

Beats Powerbeats FitBeats app for Android: one-touch pairing, customisable controls, battery status, Locate My Beats and a Fit Test

Sennheiser HD 650Not verified

Sources

Beats Powerbeats Fit

Manufacturer specification · Beats lists the app under Android compatibility; on Android the Beats app is also used to check and update firmware.

Beats (UK) — Powerbeats Fit product page, tech specs and FAQ Beats (US) — Powerbeats Fit product page, tech specs and FAQ

Sennheiser HD 650

No source recorded for this side.

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

Included and optional cables

Beats Powerbeats FitNot verified

Sennheiser HD 650Detachable 3 m unbalanced cable included; 4.4 mm and XLR-4 cables optional

Sources

Beats Powerbeats Fit

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification · Optional cables are sold separately; balanced cables need a balanced headphone output.

Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details

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

Included cable length

Beats Powerbeats FitNot verified

Sennheiser HD 6503 m

Sources

Beats Powerbeats Fit

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification · Length of the supplied cable.

Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details

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

Headphone chip

Beats Powerbeats FitApple H1

Sennheiser HD 650Not verified

Sources

Beats Powerbeats Fit

Manufacturer specification · With iOS devices: one-touch pairing, automatic switching, Audio Sharing, hands-free Hey Siri, Find My and Fit Test.

Beats (UK) — Powerbeats Fit product page, tech specs and FAQ

Sennheiser HD 650

No source recorded for this side.

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

Supplied plug configuration

Beats Powerbeats FitNot verified

Sennheiser HD 6506.35 mm unbalanced plug with included 6.35 mm-to-3.5 mm adapter

Sources

Beats Powerbeats Fit

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification · Needs a matching headphone output.

Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details

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

Rated contact pressure

Beats Powerbeats FitNot verified

Sennheiser HD 650Approximately 6.0 N ±1.0 N

Sources

Beats Powerbeats Fit

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification · Nominal clamping force; individual fit and comfort can differ.

Sennheiser HD 650 — manufacturer specifications

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

Earbud controls

Beats Powerbeats FitSingle multi-function 'b' button per earbud (customisable, including volume); auto play/pause

Sennheiser HD 650Not verified

Sources

Beats Powerbeats Fit

Manufacturer specification · Default presses: once to play or pause, twice to skip forwards, three times to skip backwards. The buttons can be set to manage music, adjust volume, toggle listening modes, take calls and activate the voice assistant.

Beats (UK) — Powerbeats Fit product page, tech specs and FAQ

Sennheiser HD 650

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

Beats Powerbeats FitNot verified

Sennheiser HD 650≤0.05% at 1 kHz, 1 V rms

Sources

Beats Powerbeats Fit

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification

Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details

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

Driver diameter

Beats Powerbeats FitNot verified

Sennheiser HD 65042 mm

Sources

Beats Powerbeats Fit

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification · Complete transducer diameter; the diaphragm is 38 mm.

Sennheiser HD 650 — exact UK article and product details

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

Ear pads

Beats Powerbeats FitNot verified

Sennheiser HD 650Velour ear pads; replaceable

Sources

Beats Powerbeats Fit

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification · Replacement procedure shown in the manual.

Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details

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

Frequency equalisation

Beats Powerbeats FitNot verified

Sennheiser HD 650Diffuse-field equalised

Sources

Beats Powerbeats Fit

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification

Sennheiser HD 650 — manufacturer specifications

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

Rated frequency range

Beats Powerbeats FitNot verified

Sennheiser HD 65010–41,000 Hz (−10 dB)

Sources

Beats Powerbeats Fit

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification · The manual rates 10–41,000 Hz at −10 dB; Sennheiser's UK feature list quotes 12–41,000 Hz without a threshold.

Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details

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

Supplied 3.5 mm adapter

Beats Powerbeats FitNot verified

Sennheiser HD 650Yes

Sources

Beats Powerbeats Fit

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification · Manual package contents explicitly includes a 6.35 mm-to-3.5 mm stereo adapter.

Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details

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

Rated long-term input power

Beats Powerbeats FitNot verified

Sennheiser HD 650Maximum 500 mW under EN 60-268-7

Sources

Beats Powerbeats Fit

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification · Maximum input the headphones can handle, not the amplifier power they need.

Sennheiser HD 650 — manufacturer specifications

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

Static magnetic field at the surface

Beats Powerbeats FitNot verified

Sennheiser HD 6501.8 mT

Sources

Beats Powerbeats Fit

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification · Static magnetic field at the headphone surface.

Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details

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

Operating temperature

Beats Powerbeats FitNot verified

Sennheiser HD 650−10 °C to +55 °C

Sources

Beats Powerbeats Fit

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification

Sennheiser HD 650 — manufacturer specifications

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

Rated sensitivity

Beats Powerbeats FitNot verified

Sennheiser HD 650103 dB SPL at 1 kHz, 1 V rms

Sources

Beats Powerbeats Fit

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification · Rated at 1 kHz with 1 V rms; not directly comparable with dB/mW ratings.

Sennheiser HD 650 — manufacturer specifications

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

Replaceable parts

Beats Powerbeats FitNot verified

Sennheiser HD 650Detachable cable and replaceable ear pads; headband padding via repair service

Sources

Beats Powerbeats Fit

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification · Replacement procedures are in the manual; spare-part availability varies.

Sennheiser HD 650 — manufacturer specifications

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

Spatial audio

Beats Powerbeats FitPersonalised spatial audio with dynamic head tracking

Sennheiser HD 650Not verified

Sources

Beats Powerbeats Fit

Manufacturer specification

Beats (UK) — Powerbeats Fit product page, tech specs and FAQ Beats (US) — Powerbeats Fit product page, tech specs and FAQ

Sennheiser HD 650

No source recorded for this side.

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

Dust, sweat and water resistance

Beats Powerbeats FitIPX4 (earbuds and charging case)

Sennheiser HD 650Not verified

Sources

Beats Powerbeats Fit

Manufacturer specification

Beats (UK) — Powerbeats Fit product page, tech specs and FAQ

Sennheiser HD 650

No source recorded for this side.

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

Weight per earbud

Beats Powerbeats Fit5.78 g

Sennheiser HD 650Not verified

Sources

Beats Powerbeats Fit

Manufacturer specification · Each earbud. The charging case weighs 49.75 g; Beats gives 61.3 g in total.

Beats (UK) — Powerbeats Fit product page, tech specs and FAQ

Sennheiser HD 650

No source recorded for this side.

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

Dimensions

Beats Powerbeats FitEarbud: 2.74 cm long, 2.15 cm wide, 2.04 cm high; charging case: 6.25 cm long, 5.54 cm wide, 2.75 cm high

Sennheiser HD 650Not verified

Sources

Beats Powerbeats Fit

Manufacturer specification

Beats (UK) — Powerbeats Fit product page, tech specs and FAQ

Sennheiser HD 650

No source recorded for this side.

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

Weight

Beats Powerbeats FitNot verified

Sennheiser HD 650260 g

Sources

Beats Powerbeats Fit

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification · Approximate, without the cable.

Sennheiser HD 650 — manufacturer specifications

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

0 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

Beats Powerbeats Fit

Select a feature to check your fit.

YOUR CHOICE

Sennheiser HD 650

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

Beats Powerbeats Fit

What it brings

A flexible one-size wing tip tucks under the ridge of the upper ear to hold each earbud in place, and at 5.78 g per bud and 49.75 g for the case they are lighter than Powerbeats Pro 2 (8.7 g and 69.0 g).
Manufacturer source Manufacturer source
Both the earbuds and the charging case are rated IPX4 for sweat and water, and the page lists ANC, Transparency, Adaptive EQ and personalised spatial audio.
Manufacturer source

What to check

Shorter rated battery than Powerbeats Pro 2: 6 hours per charge with ANC on and 24 hours with the case, versus 8 and 36 hours, and no wireless charging is listed for the case.
Manufacturer source Manufacturer source
Uses the Apple H1 chip where Powerbeats Pro 2 uses H2, has a single multi-function button per earbud with no volume rockers listed (the buttons can be set to adjust volume), and ships without a charging cable. Beats gives no Bluetooth version.
Manufacturer source Manufacturer source

Sennheiser HD 650

What it brings

Its 42 mm dynamic driver has hand-paired transducers matched within ±1 dB, and the supplied 6.35 mm cable with 3.5 mm adapter fits both common socket sizes. The cable and velour ear pads are replaceable.
Manufacturer source Manufacturer source

What to check

At 300 ohms, check that your amplifier or audio source can drive the headphones properly. The documented connection uses the supplied analogue audio cable and 3.5 mm adapter.
Manufacturer source Manufacturer source
Sennheiser describes the intended use as listening at home with high-quality audio systems. The 4.4 mm balanced and XLR-4 cables are optional accessories.
Manufacturer source Manufacturer source

COMPARE THE DETAILS

Full specifications

How we verify

Differences only

32 of 32 specifications Sources in each row

Source-backed specifications for Beats Powerbeats Fit and Sennheiser HD 650
Specification	Beats Powerbeats Fit	Sennheiser HD 650

Wearing styleDifferent Sources Beats Powerbeats Fit Manufacturer specification · Two separate earbuds with a one-size flexible wing tip and ear tips in four sizes (XS, S, M, L), supplied with a charging case. Beats (UK) — Powerbeats Fit product page, tech specs and FAQ Sennheiser HD 650 Manufacturer specification Sennheiser HD 650 — manufacturer specifications	In-ear, true wireless with flexible wing tips	Over-ear (circumaural), open-back dynamic headphones
Weight per earbud Sources Beats Powerbeats Fit Manufacturer specification · Each earbud. The charging case weighs 49.75 g; Beats gives 61.3 g in total. Beats (UK) — Powerbeats Fit product page, tech specs and FAQ Sennheiser HD 650 No source recorded.	5.78 g	Not provided
Dimensions Sources Beats Powerbeats Fit Manufacturer specification Beats (UK) — Powerbeats Fit product page, tech specs and FAQ Sennheiser HD 650 No source recorded.	Earbud: 2.74 cm long, 2.15 cm wide, 2.04 cm high; charging case: 6.25 cm long, 5.54 cm wide, 2.75 cm high	Not provided
Dust, sweat and water resistance Sources Beats Powerbeats Fit Manufacturer specification Beats (UK) — Powerbeats Fit product page, tech specs and FAQ Sennheiser HD 650 No source recorded.	IPX4 (earbuds and charging case)	Not provided
Weight Sources Beats Powerbeats Fit No source recorded. Sennheiser HD 650 Manufacturer specification · Approximate, without the cable. Sennheiser HD 650 — manufacturer specifications	Not provided	260 g
Acoustic design Sources Beats Powerbeats Fit No source recorded. Sennheiser HD 650 Manufacturer specification Sennheiser HD 650 — manufacturer specifications	Not provided	Open-back
Replaceable parts Sources Beats Powerbeats Fit No source recorded. Sennheiser HD 650 Manufacturer specification · Replacement procedures are in the manual; spare-part availability varies. Sennheiser HD 650 — manufacturer specifications	Not provided	Detachable cable and replaceable ear pads; headband padding via repair service
Ear pads Sources Beats Powerbeats Fit No source recorded. Sennheiser HD 650 Manufacturer specification · Replacement procedure shown in the manual. Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details	Not provided	Velour ear pads; replaceable
Rated contact pressure Sources Beats Powerbeats Fit No source recorded. Sennheiser HD 650 Manufacturer specification · Nominal clamping force; individual fit and comfort can differ. Sennheiser HD 650 — manufacturer specifications	Not provided	Approximately 6.0 N ±1.0 N

Wired / wireless connectionsDifferent Sources Beats Powerbeats Fit Manufacturer specification · Beats does not state a Bluetooth version on the UK or US page. Power adapter and USB-C cable sold separately; no wireless charging is listed. Beats (UK) — Powerbeats Fit product page, tech specs and FAQ Sennheiser HD 650 Manufacturer specification · Optional 4.4 mm and XLR-4 balanced cables are sold separately. Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details	Class 1 Bluetooth (version not stated); USB-C case charging	Wired analogue; detachable 6.35 mm unbalanced cable and included 3.5 mm adapter
Battery life Sources Beats Powerbeats Fit Manufacturer specification · Apple's tests (May 2025, pre-production units paired with iPhone 15 Pro, 50% volume) ran until the first earbud stopped playback. The Fast Fuel figure was measured with ANC and Transparency off via a USB-C cable. Beats (UK) — Powerbeats Fit product page, tech specs and FAQ Beats (US) — Powerbeats Fit product page, tech specs and FAQ Beats (UK) — Compare products (feature data and battery footnotes) Sennheiser HD 650 The reviewed exact manufacturer sources do not explicitly give battery life or state that no battery is required for operation. A wired analogue connection is known; the generic disposal wording “battery/rechargeable battery (if applicable)” establishes neither presence nor absence. · Manufacturer specification Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details	Earbuds: up to 7 hours with ANC or Transparency off, up to 6 hours with ANC or Transparency on. With the charging case (around three additional charges): up to 30 hours with ANC/Transparency off, 24 hours with ANC/Transparency on. Fast Fuel: 5 minutes gives up to 1 hour.	Not listed by the manufacturer
Included cable length Sources Beats Powerbeats Fit No source recorded. Sennheiser HD 650 Manufacturer specification · Length of the supplied cable. Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details	Not provided	3 m
Supplied plug configuration Sources Beats Powerbeats Fit No source recorded. Sennheiser HD 650 Manufacturer specification · Needs a matching headphone output. Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details	Not provided	6.35 mm unbalanced plug with included 6.35 mm-to-3.5 mm adapter
Included and optional cables Sources Beats Powerbeats Fit No source recorded. Sennheiser HD 650 Manufacturer specification · Optional cables are sold separately; balanced cables need a balanced headphone output. Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details	Not provided	Detachable 3 m unbalanced cable included; 4.4 mm and XLR-4 cables optional

Driver constructionDifferent Sources Beats Powerbeats Fit Manufacturer specification · Beats says the earbud’s ergonomic shape is built around axial-aligned drivers; it does not state a driver size. Beats (UK) — Powerbeats Fit product page, tech specs and FAQ Beats (US) — Powerbeats Fit product page, tech specs and FAQ Sennheiser HD 650 Manufacturer specification · The driver, diaphragm and voice-coil sizes describe different parts. Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details	Axial-aligned drivers	42 mm dynamic transducer with 38 mm diaphragm and aluminium voice coil; acoustic mesh and hand-paired transducers within stated ±1 dB tolerance
Spatial audio Sources Beats Powerbeats Fit Manufacturer specification Beats (UK) — Powerbeats Fit product page, tech specs and FAQ Beats (US) — Powerbeats Fit product page, tech specs and FAQ Sennheiser HD 650 No source recorded.	Personalised spatial audio with dynamic head tracking	Not provided
Adaptive EQ Sources Beats Powerbeats Fit Manufacturer specification · With ANC and Transparency off, Adaptive EQ uses up to five microphones to tailor sound to the fit and seal of each earbud. Beats (UK) — Powerbeats Fit product page, tech specs and FAQ Sennheiser HD 650 No source recorded.	Yes	Not provided
Headphone chip Sources Beats Powerbeats Fit Manufacturer specification · With iOS devices: one-touch pairing, automatic switching, Audio Sharing, hands-free Hey Siri, Find My and Fit Test. Beats (UK) — Powerbeats Fit product page, tech specs and FAQ Sennheiser HD 650 No source recorded.	Apple H1	Not provided
Nominal impedance Sources Beats Powerbeats Fit No source recorded. Sennheiser HD 650 Manufacturer specification · Nominal impedance; check that your amplifier or audio source can drive this load. Sennheiser HD 650 — exact UK article and product details	Not provided	300 ohm
Rated frequency range Sources Beats Powerbeats Fit No source recorded. Sennheiser HD 650 Manufacturer specification · The manual rates 10–41,000 Hz at −10 dB; Sennheiser's UK feature list quotes 12–41,000 Hz without a threshold. Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details	Not provided	10–41,000 Hz (−10 dB)
Rated sensitivity Sources Beats Powerbeats Fit No source recorded. Sennheiser HD 650 Manufacturer specification · Rated at 1 kHz with 1 V rms; not directly comparable with dB/mW ratings. Sennheiser HD 650 — manufacturer specifications	Not provided	103 dB SPL at 1 kHz, 1 V rms
Rated long-term input power Sources Beats Powerbeats Fit No source recorded. Sennheiser HD 650 Manufacturer specification · Maximum input the headphones can handle, not the amplifier power they need. Sennheiser HD 650 — manufacturer specifications	Not provided	Maximum 500 mW under EN 60-268-7
Frequency equalisation Sources Beats Powerbeats Fit No source recorded. Sennheiser HD 650 Manufacturer specification Sennheiser HD 650 — manufacturer specifications	Not provided	Diffuse-field equalised
Rated total harmonic distortion Sources Beats Powerbeats Fit No source recorded. Sennheiser HD 650 Manufacturer specification Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details	Not provided	≤0.05% at 1 kHz, 1 V rms
Driver diameter Sources Beats Powerbeats Fit No source recorded. Sennheiser HD 650 Manufacturer specification · Complete transducer diameter; the diaphragm is 38 mm. Sennheiser HD 650 — exact UK article and product details	Not provided	42 mm

Microphone Sources Beats Powerbeats Fit Manufacturer specification · Three microphones per earbud (six in total) with beam-forming for calls; an internal processor reduces external noise such as wind. Beats (UK) — Powerbeats Fit product page, tech specs and FAQ Sennheiser HD 650 The reviewed exact manufacturer sources do not explicitly establish microphone presence or absence for the supplied configuration. Stereo audio conductors and omitted controls are not proof that no microphone exists. · Manufacturer specification Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details	Yes	Not listed by the manufacturer
Active noise cancellation Sources Beats Powerbeats Fit Manufacturer specification · Active Noise Cancelling and Transparency mode. Beats (UK) — Powerbeats Fit product page, tech specs and FAQ Sennheiser HD 650 The reviewed exact manufacturer sources establish open-back dynamic construction but do not explicitly state whether active noise cancellation is present or absent. Acoustic mesh, an absorber or an omitted ANC control does not establish ANC=false. · Manufacturer specification Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details	Yes	Not listed by the manufacturer

Companion app Sources Beats Powerbeats Fit Manufacturer specification · Beats lists the app under Android compatibility; on Android the Beats app is also used to check and update firmware. Beats (UK) — Powerbeats Fit product page, tech specs and FAQ Beats (US) — Powerbeats Fit product page, tech specs and FAQ Sennheiser HD 650 No source recorded.	Beats app for Android: one-touch pairing, customisable controls, battery status, Locate My Beats and a Fit Test	Not provided
Earbud controls Sources Beats Powerbeats Fit Manufacturer specification · Default presses: once to play or pause, twice to skip forwards, three times to skip backwards. The buttons can be set to manage music, adjust volume, toggle listening modes, take calls and activate the voice assistant. Beats (UK) — Powerbeats Fit product page, tech specs and FAQ Sennheiser HD 650 No source recorded.	Single multi-function 'b' button per earbud (customisable, including volume); auto play/pause	Not provided

Supplied 3.5 mm adapter Sources Beats Powerbeats Fit No source recorded. Sennheiser HD 650 Manufacturer specification · Manual package contents explicitly includes a 6.35 mm-to-3.5 mm stereo adapter. Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details	Not provided	Yes

Static magnetic field at the surface Sources Beats Powerbeats Fit No source recorded. Sennheiser HD 650 Manufacturer specification · Static magnetic field at the headphone surface. Sennheiser HD 650 — manufacturer specifications Sennheiser HD 650 — exact UK article and product details	Not provided	1.8 mT
Operating temperature Sources Beats Powerbeats Fit No source recorded. Sennheiser HD 650 Manufacturer specification Sennheiser HD 650 — manufacturer specifications	Not provided	−10 °C to +55 °C

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Beats Studio Buds +

Weight per earbud: 5 g
Wearing style: In-ear, true wireless
Wired / wireless connections: Class 1 Bluetooth (version not stated); USB-C case charging

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Beyerdynamic MMX 330 PRO

Impedance: 48 Ω
Cable length: 2.5 m
Wearing style: Over-ear (circumaural), open-back wired gaming headset with boom microphone

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Sony INZONE H9 II

Cable length: 2 m
Wearing style: Closed over-ear dynamic gaming headset
Wired / wireless connections: 2.4 GHz USB-C transceiver, Bluetooth 5.3 Classic Audio or LE Audio, or supplied analogue headphone cable

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Sennheiser HD 800 S

Impedance: 300 Ω
Cable length: 3 m
Wearing style: Over-ear (circumaural), open-back dynamic headphones

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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.