HEADPHONES · YOUR NEXT FACE-OFF

Sony INZONE Buds vs Beyerdynamic DT 900 PRO X

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

Compared products

YOUR FIRST CHOICE

Sony INZONE Buds

White · WFG700NW.CE7 · UK catalogue

Full product profile Official image

Exact model & source notes

Sony’s White INZONE Buds is an active noise-cancelling earbud set with 2.4 GHz supplied USB-C transceiver or compatible Bluetooth 5.3 LE Audio (LC3). The published endurance is retained with its specific connection and codec conditions.

Specifications checked 17 Oct 2026.

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

Manufacturer specifications

WHAT DIFFERS

Active noise cancellationYesNo

1 of 5 verified differences, in the order listed below. Not a rating.

See the 5 verified differences

THE CONTENDER

Beyerdynamic DT 900 PRO X

729906 · 48 ohm · black

Full product profile Official image

Exact model & source notes

The DT 900 PRO X (article 729906) is beyerdynamic's open-back, around-ear wired studio headphone built around its 48-ohm STELLAR.45 dynamic driver. It uses a detachable mini-XLR cable, two straight cables (3 m and 1.8 m) come in the box, and it works with beyerdynamic's free HEADPHONE LAB plug-in, which offers individual factory calibration for this model.

Specifications checked 26 Sept 2026.

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

Manufacturer specifications

Sony INZONE Buds UK & US retailers

UK & US price history: no verified listing yet

Beyerdynamic DT 900 PRO X 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

Microphone

A built-in microphone matters for calls and voice chat. An audio-only headphone connection does not supply a microphone channel.

Sony INZONE BudsYes

Manufacturer specification · The exact manual documents voice pickup and call or chat controls. No microphone count or measured pickup quality is inferred.

Source 1

Beyerdynamic DT 900 PRO XNo

Manufacturer specification · Supplied cables end in a stereo headphone jack; no microphone is listed.

Source 1 Source 2

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 ↓

5 verified differences, most decision-relevant first. 1 is also drawn in Visual facts above. Missing information stays separate.

Wired / wireless connections

Sony INZONE Buds2.4 GHz supplied USB-C transceiver or compatible Bluetooth 5.3 LE Audio (LC3)

Beyerdynamic DT 900 PRO XWired; detachable single-sided cable with 3-pin mini-XLR at the headphone and 3.5 mm stereo jack with 6.35 mm (1/4-inch) adapter

Sources

Sony INZONE Buds

Manufacturer specification · Only positively documented audio modes are listed. A charging connector does not by itself establish USB audio; unlisted codecs or other wireless modes remain unverified.

Sony INZONE Buds official English Help Guide

Beyerdynamic DT 900 PRO X

Manufacturer specification

beyerdynamic DT 900 PRO X — official product page and technical data (global store)beyerdynamic DT 900 PRO X — spec sheet E1 / DT 900 PRO X (08.21)

Check the exact configuration and source conditions for your use.

Active noise cancellation

Sony INZONE BudsYes

Beyerdynamic DT 900 PRO XNo

Sources

Sony INZONE Buds

Manufacturer specification · The exact model guide names a noise-cancelling headset and documents its noise-cancelling mode. This is presence, not measured attenuation or comparative sound quality.

Sony INZONE Buds official English Help Guide

Beyerdynamic DT 900 PRO X

Manufacturer specification · Passive, open-back design; no active noise cancellation is listed.

beyerdynamic DT 900 PRO X — official product page and technical data (global store)

Check the exact configuration and source conditions for your use.

Microphone

In Visual facts

Sony INZONE BudsYes

Beyerdynamic DT 900 PRO XNo

Sources

Sony INZONE Buds

Manufacturer specification · The exact manual documents voice pickup and call or chat controls. No microphone count or measured pickup quality is inferred.

Sony INZONE Buds official English Help Guide

Beyerdynamic DT 900 PRO X

Manufacturer specification · Supplied cables end in a stereo headphone jack; no microphone is listed.

beyerdynamic DT 900 PRO X — official product page and technical data (global store)beyerdynamic DT 900 PRO X — spec sheet E1 / DT 900 PRO X (08.21)

Check the exact configuration and source conditions for your use.

Battery life

Sony INZONE Buds2.4 GHz game-and-chat use: up to 11 hours with noise cancelling or Ambient Sound on, or 12 hours with both off. Bluetooth LC3 music: up to 18 hours on, or 24 hours off.

Beyerdynamic DT 900 PRO XNot required: passive wired headphones powered by the audio source

Sources

Sony INZONE Buds

Manufacturer specification · Manufacturer full-charge earbud maxima, preserving USB-transceiver gaming and Bluetooth LC3 modes separately. Call-time limits differ; usage conditions affect endurance.

Sony INZONE Buds official English Help Guide

Beyerdynamic DT 900 PRO X

Manufacturer specification · Passive headphones with no battery or charging.

beyerdynamic DT 900 PRO X — official product page and technical data (global store)beyerdynamic DT 900 PRO X — spec sheet E1 / DT 900 PRO X (08.21)

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

Wearing style

Sony INZONE BudsIn-ear true wireless gaming earbuds

Beyerdynamic DT 900 PRO XOver-ear (circumaural), open-back wired studio headphones

Sources

Sony INZONE Buds

Manufacturer specification · Exact model wearing instructions and manufacturer model imagery; earbud/headband scope is not interchanged.

Sony INZONE Buds official English Help Guide

Beyerdynamic DT 900 PRO X

Manufacturer specification

beyerdynamic DT 900 PRO X — official product page and technical data (global store)beyerdynamic DT 900 PRO X — spec sheet E1 / DT 900 PRO X (08.21)

Check the exact configuration and source conditions for your use.

Missing or non-comparable evidence (27)

Acoustic design

Sony INZONE BudsNot verified

Beyerdynamic DT 900 PRO XOpen-back

Sources

Sony INZONE Buds

No source recorded for this side.

Beyerdynamic DT 900 PRO X

Manufacturer specification

beyerdynamic DT 900 PRO X — official product page and technical data (global store)beyerdynamic DT 900 PRO X — spec sheet E1 / DT 900 PRO X (08.21)

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

Nominal impedance

Sony INZONE BudsNot verified

Beyerdynamic DT 900 PRO X48 ohm

Sources

Sony INZONE Buds

No source recorded for this side.

Beyerdynamic DT 900 PRO X

Manufacturer specification

beyerdynamic DT 900 PRO X — official product page and technical data (global store)beyerdynamic DT 900 PRO X — spec sheet E1 / DT 900 PRO X (08.21)

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

Driver construction

Sony INZONE BudsNot verified

Beyerdynamic DT 900 PRO XDynamic STELLAR.45 driver

Sources

Sony INZONE Buds

No source recorded for this side.

Beyerdynamic DT 900 PRO X

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

beyerdynamic DT 900 PRO X — spec sheet E1 / DT 900 PRO X (08.21)

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

Companion app

Sony INZONE BudsINZONE Hub and Sony | Headphones Connect

Beyerdynamic DT 900 PRO XNot verified

Sources

Sony INZONE Buds

Manufacturer specification · App names as listed in the retained guide. Functions vary with firmware, compatible device and connection; PC gaming configuration uses INZONE Hub.

Sony INZONE Buds official English Help Guide

Beyerdynamic DT 900 PRO X

No source recorded for this side.

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

Battery capacity

Sony INZONE BudsNot verified

Beyerdynamic DT 900 PRO XNot verified

Sources

Sony INZONE Buds

The retained exact-model specification does not establish capacity in mAh. Operating voltage is not a charge capacity. · Manufacturer specification

Sony INZONE Buds official English Help Guide

Beyerdynamic DT 900 PRO X

No source recorded for this side.

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

Battery chemistry

Sony INZONE BudsLithium-ion

Beyerdynamic DT 900 PRO XNot verified

Sources

Sony INZONE Buds

Manufacturer specification · The exact source names built-in lithium-ion batteries; capacity and user replaceability are not inferred.

Sony INZONE Buds official English Help Guide

Beyerdynamic DT 900 PRO X

No source recorded for this side.

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

LE Audio required for Bluetooth sound

Sony INZONE BudsYes

Beyerdynamic DT 900 PRO XNot verified

Sources

Sony INZONE Buds

Manufacturer specification · The guide explicitly says that Bluetooth devices without LE Audio produce no sound even when connected; the USB transceiver is the documented alternative.

Sony INZONE Buds official English Help Guide

Beyerdynamic DT 900 PRO X

No source recorded for this side.

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

Bluetooth version

Sony INZONE Buds5.3

Beyerdynamic DT 900 PRO XNot verified

Sources

Sony INZONE Buds

Manufacturer specification · The stated version does not establish every optional Bluetooth feature or universal device compatibility.

Sony INZONE Buds official English Help Guide

Beyerdynamic DT 900 PRO X

No source recorded for this side.

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

Cable length

Sony INZONE BudsNot verified

Beyerdynamic DT 900 PRO X3 m

Sources

Sony INZONE Buds

No source recorded for this side.

Beyerdynamic DT 900 PRO X

Manufacturer specification · Longest supplied cable; a second 1.8 m straight cable is also included.

beyerdynamic DT 900 PRO X — official product page and technical data (global store)beyerdynamic DT 900 PRO X — spec sheet E1 / DT 900 PRO X (08.21)

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

Charging case full charge time

Sony INZONE Buds3 hours

Beyerdynamic DT 900 PRO XNot verified

Sources

Sony INZONE Buds

Manufacturer specification · Approximately; charging case only, not an earbud-charge duration.

Sony INZONE Buds official English Help Guide

Beyerdynamic DT 900 PRO X

No source recorded for this side.

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

Charging case weight

Sony INZONE Buds50 g

Beyerdynamic DT 900 PRO XNot verified

Sources

Sony INZONE Buds

Manufacturer specification · Approximately; charging case only. Selected White model; Glass Purple has separately listed greater masses.

Sony INZONE Buds official English Help Guide

Beyerdynamic DT 900 PRO X

No source recorded for this side.

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

Full charge time

Sony INZONE Buds2 hours

Beyerdynamic DT 900 PRO XNot verified

Sources

Sony INZONE Buds

Manufacturer specification · Approximately; earbuds only. Charging-case time is listed separately. Actual charging time varies with conditions of use.

Sony INZONE Buds official English Help Guide

Beyerdynamic DT 900 PRO X

No source recorded for this side.

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

Bluetooth codecs

Sony INZONE BudsLC3

Beyerdynamic DT 900 PRO XNot verified

Sources

Sony INZONE Buds

Manufacturer specification · Positively named supported codecs. Unlisted formats are not marked unsupported. Bluetooth audio specifically requires LE Audio; the exact source explicitly excludes sound on a Bluetooth device without LE Audio.

Sony INZONE Buds official English Help Guide

Beyerdynamic DT 900 PRO X

No source recorded for this side.

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

Supplied plug and adapter

Sony INZONE BudsNot verified

Beyerdynamic DT 900 PRO X3-pin mini-XLR (headphone end); gold-plated 3.5 mm stereo jack with 6.35 mm (1/4-inch) adapter

Sources

Sony INZONE Buds

No source recorded for this side.

Beyerdynamic DT 900 PRO X

Manufacturer specification

beyerdynamic DT 900 PRO X — spec sheet E1 / DT 900 PRO X (08.21)

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

Rated total harmonic distortion

Sony INZONE BudsNot verified

Beyerdynamic DT 900 PRO X0.80% at 100 Hz, 0.05% at 500 Hz, 0.04% at 1 kHz (at 1 mW)

Sources

Sony INZONE Buds

No source recorded for this side.

Beyerdynamic DT 900 PRO X

Manufacturer specification

beyerdynamic DT 900 PRO X — spec sheet E1 / DT 900 PRO X (08.21)

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

Earpads

Sony INZONE BudsNot verified

Beyerdynamic DT 900 PRO XVelour, replaceable; headband pad also replaceable

Sources

Sony INZONE Buds

No source recorded for this side.

Beyerdynamic DT 900 PRO X

Manufacturer specification

beyerdynamic DT 900 PRO X — official product page and technical data (global store)beyerdynamic DT 900 PRO X — spec sheet E1 / DT 900 PRO X (08.21)

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

Rated frequency range

Sony INZONE BudsNot verified

Beyerdynamic DT 900 PRO X5–40,000 Hz

Sources

Sony INZONE Buds

No source recorded for this side.

Beyerdynamic DT 900 PRO X

Manufacturer specification

beyerdynamic DT 900 PRO X — official product page and technical data (global store)beyerdynamic DT 900 PRO X — spec sheet E1 / DT 900 PRO X (08.21)

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

Headband pressure

Sony INZONE BudsNot verified

Beyerdynamic DT 900 PRO X5.3 N

Sources

Sony INZONE Buds

No source recorded for this side.

Beyerdynamic DT 900 PRO X

Manufacturer specification

beyerdynamic DT 900 PRO X — spec sheet E1 / DT 900 PRO X (08.21)

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

HEADPHONE LAB software

Sony INZONE BudsNot verified

Beyerdynamic DT 900 PRO XSupported through a separate DAW plug-in, with individual factory calibration

Sources

Sony INZONE Buds

No source recorded for this side.

Beyerdynamic DT 900 PRO X

Manufacturer specification · Free plug-in for DAW software (VST3, AU and AAX for Windows and macOS) with crossfeed and optional room simulation; there is no standalone version. beyerdynamic lists the DT 900 PRO X among the models offered FACTORY CALIBRATION, based on the production measurement data of the individual unit.

beyerdynamic DT 900 PRO X — official product page and technical data (global store)beyerdynamic HEADPHONE LAB — plug-in features, formats and FACTORY CALIBRATION model list

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

In the box

Sony INZONE BudsNot verified

Beyerdynamic DT 900 PRO XHeadphones, 3 m straight mini-XLR cable, 1.8 m straight mini-XLR cable (each with 3.5 mm jack and 6.35 mm adapter), bag

Sources

Sony INZONE Buds

No source recorded for this side.

Beyerdynamic DT 900 PRO X

Manufacturer specification

beyerdynamic DT 900 PRO X — spec sheet E1 / DT 900 PRO X (08.21)

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

Maximum input power

Sony INZONE BudsNot verified

Beyerdynamic DT 900 PRO X100 mW short-term; 30 mW rated continuous

Sources

Sony INZONE Buds

No source recorded for this side.

Beyerdynamic DT 900 PRO X

Manufacturer specification

beyerdynamic DT 900 PRO X — spec sheet E1 / DT 900 PRO X (08.21)

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

Rated sensitivity

Sony INZONE BudsNot verified

Beyerdynamic DT 900 PRO X100 dB SPL at 1 mW / 500 Hz; 114 dB SPL at 1 V / 500 Hz

Sources

Sony INZONE Buds

No source recorded for this side.

Beyerdynamic DT 900 PRO X

Manufacturer specification · Two references are given: per 1 mW and per 1 V, both at 500 Hz.

beyerdynamic DT 900 PRO X — official product page and technical data (global store)beyerdynamic DT 900 PRO X — spec sheet E1 / DT 900 PRO X (08.21)

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

Serviceability

Sony INZONE BudsNot verified

Beyerdynamic DT 900 PRO XNearly all components replaceable, including ear pads and headband pad

Sources

Sony INZONE Buds

No source recorded for this side.

Beyerdynamic DT 900 PRO X

Manufacturer specification · Product page (Sustainability): 'If required, nearly all the headphones’ components can be replaced'. The spec sheet lists 'Soft, replaceable ear pads and headband pad' and states that the detachable mini-XLR cable can be replaced by cables of different lengths and connection options.

beyerdynamic DT 900 PRO X — official product page and technical data (global store)beyerdynamic DT 900 PRO X — spec sheet E1 / DT 900 PRO X (08.21)

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

Water resistance

Sony INZONE BudsIPX4 equivalent (earbuds)

Beyerdynamic DT 900 PRO XNot verified

Sources

Sony INZONE Buds

Manufacturer specification · The charging case and USB transceiver are explicitly not water resistant. The headset must not be immersed.

Sony INZONE Buds official English Help Guide

Beyerdynamic DT 900 PRO X

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

Sony INZONE Buds6.5 g

Beyerdynamic DT 900 PRO XNot verified

Sources

Sony INZONE Buds

Manufacturer specification · Approximately per earbud, including medium ear tips; charging case and USB transceiver are separate.

Sony INZONE Buds official English Help Guide

Beyerdynamic DT 900 PRO X

No source recorded for this side.

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

Wireless charging

Sony INZONE BudsNot verified

Beyerdynamic DT 900 PRO XNot verified

Sources

Sony INZONE Buds

Wireless charging capability remains unverified; USB charging does not establish a negative. · Manufacturer specification

Sony INZONE Buds official English Help Guide

Beyerdynamic DT 900 PRO X

No source recorded for this side.

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

Weight without cable

Sony INZONE BudsNot verified

Beyerdynamic DT 900 PRO X345 g

Sources

Sony INZONE Buds

No source recorded for this side.

Beyerdynamic DT 900 PRO X

Manufacturer specification · Headphones without cable.

beyerdynamic DT 900 PRO X — official product page and technical data (global store)beyerdynamic DT 900 PRO X — official North America store page and technical data beyerdynamic DT 900 PRO X — spec sheet E1 / DT 900 PRO X (08.21)

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

Sony INZONE Buds

Select a feature to check your fit.

YOUR CHOICE

Beyerdynamic DT 900 PRO X

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

Sony INZONE Buds

What it brings

The supplied USB-C transceiver provides a 2.4 GHz gaming connection for supported PCs, PS5 and USB-C smartphones.
Manufacturer source Manufacturer source
The exact guide documents built-in microphones and separately described music and call or chat modes.
Manufacturer source

What to check

Bluetooth sound requires LE Audio support; the guide says a device without LE Audio produces no sound over Bluetooth even when connected.
Manufacturer source
The manufacturer’s endurance figures are conditional maxima and are not a matched independent battery test.
Manufacturer source

Beyerdynamic DT 900 PRO X

What it brings

A 48-ohm nominal impedance and a rated 100 dB SPL at 1 mW mean it is specified for use with laptops, tablets and phones as well as studio interfaces.
Manufacturer source Manufacturer source
The single-sided cable detaches at a mini-XLR connector and can be replaced by cables of different lengths and connection options; the ear pads and headband pad are also replaceable.
Manufacturer source Manufacturer source

What to check

It is an open-back design (beyerdynamic's operating principle: open) with no active noise cancellation, and neither the product page nor the spec sheet gives an ambient-noise attenuation rating.
Manufacturer source Manufacturer source
There is no microphone or inline remote; the supplied cables are audio-only stereo leads.
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 Sony INZONE Buds and Beyerdynamic DT 900 PRO X
Specification	Sony INZONE Buds	Beyerdynamic DT 900 PRO X

Wearing styleDifferent Sources Sony INZONE Buds Manufacturer specification · Exact model wearing instructions and manufacturer model imagery; earbud/headband scope is not interchanged. Sony INZONE Buds official English Help Guide Beyerdynamic DT 900 PRO X Manufacturer specification beyerdynamic DT 900 PRO X — official product page and technical data (global store)beyerdynamic DT 900 PRO X — spec sheet E1 / DT 900 PRO X (08.21)	In-ear true wireless gaming earbuds	Over-ear (circumaural), open-back wired studio headphones
Weight per earbud Sources Sony INZONE Buds Manufacturer specification · Approximately per earbud, including medium ear tips; charging case and USB transceiver are separate. Sony INZONE Buds official English Help Guide Beyerdynamic DT 900 PRO X No source recorded.	6.5 g	Not provided
Charging case weight Sources Sony INZONE Buds Manufacturer specification · Approximately; charging case only. Selected White model; Glass Purple has separately listed greater masses. Sony INZONE Buds official English Help Guide Beyerdynamic DT 900 PRO X No source recorded.	50 g	Not provided
Water resistance Sources Sony INZONE Buds Manufacturer specification · The charging case and USB transceiver are explicitly not water resistant. The headset must not be immersed. Sony INZONE Buds official English Help Guide Beyerdynamic DT 900 PRO X No source recorded.	IPX4 equivalent (earbuds)	Not provided
Weight without cable Sources Sony INZONE Buds No source recorded. Beyerdynamic DT 900 PRO X Manufacturer specification · Headphones without cable. beyerdynamic DT 900 PRO X — official product page and technical data (global store)beyerdynamic DT 900 PRO X — official North America store page and technical data beyerdynamic DT 900 PRO X — spec sheet E1 / DT 900 PRO X (08.21)	Not provided	345 g
Acoustic design Sources Sony INZONE Buds No source recorded. Beyerdynamic DT 900 PRO X Manufacturer specification beyerdynamic DT 900 PRO X — official product page and technical data (global store)beyerdynamic DT 900 PRO X — spec sheet E1 / DT 900 PRO X (08.21)	Not provided	Open-back
Headband pressure Sources Sony INZONE Buds No source recorded. Beyerdynamic DT 900 PRO X Manufacturer specification beyerdynamic DT 900 PRO X — spec sheet E1 / DT 900 PRO X (08.21)	Not provided	5.3 N
Earpads Sources Sony INZONE Buds No source recorded. Beyerdynamic DT 900 PRO X Manufacturer specification beyerdynamic DT 900 PRO X — official product page and technical data (global store)beyerdynamic DT 900 PRO X — spec sheet E1 / DT 900 PRO X (08.21)	Not provided	Velour, replaceable; headband pad also replaceable
Serviceability Sources Sony INZONE Buds No source recorded. Beyerdynamic DT 900 PRO X Manufacturer specification · Product page (Sustainability): 'If required, nearly all the headphones’ components can be replaced'. The spec sheet lists 'Soft, replaceable ear pads and headband pad' and states that the detachable mini-XLR cable can be replaced by cables of different lengths and connection options. beyerdynamic DT 900 PRO X — official product page and technical data (global store)beyerdynamic DT 900 PRO X — spec sheet E1 / DT 900 PRO X (08.21)	Not provided	Nearly all components replaceable, including ear pads and headband pad

Wired / wireless connectionsDifferent Sources Sony INZONE Buds Manufacturer specification · Only positively documented audio modes are listed. A charging connector does not by itself establish USB audio; unlisted codecs or other wireless modes remain unverified. Sony INZONE Buds official English Help Guide Beyerdynamic DT 900 PRO X Manufacturer specification beyerdynamic DT 900 PRO X — official product page and technical data (global store)beyerdynamic DT 900 PRO X — spec sheet E1 / DT 900 PRO X (08.21)	2.4 GHz supplied USB-C transceiver or compatible Bluetooth 5.3 LE Audio (LC3)	Wired; detachable single-sided cable with 3-pin mini-XLR at the headphone and 3.5 mm stereo jack with 6.35 mm (1/4-inch) adapter
Battery lifeDifferent Sources Sony INZONE Buds Manufacturer specification · Manufacturer full-charge earbud maxima, preserving USB-transceiver gaming and Bluetooth LC3 modes separately. Call-time limits differ; usage conditions affect endurance. Sony INZONE Buds official English Help Guide Beyerdynamic DT 900 PRO X Manufacturer specification · Passive headphones with no battery or charging. beyerdynamic DT 900 PRO X — official product page and technical data (global store)beyerdynamic DT 900 PRO X — spec sheet E1 / DT 900 PRO X (08.21)	2.4 GHz game-and-chat use: up to 11 hours with noise cancelling or Ambient Sound on, or 12 hours with both off. Bluetooth LC3 music: up to 18 hours on, or 24 hours off.	Not required: passive wired headphones powered by the audio source
Battery chemistry Sources Sony INZONE Buds Manufacturer specification · The exact source names built-in lithium-ion batteries; capacity and user replaceability are not inferred. Sony INZONE Buds official English Help Guide Beyerdynamic DT 900 PRO X No source recorded.	Lithium-ion	Not provided
Full charge time Sources Sony INZONE Buds Manufacturer specification · Approximately; earbuds only. Charging-case time is listed separately. Actual charging time varies with conditions of use. Sony INZONE Buds official English Help Guide Beyerdynamic DT 900 PRO X No source recorded.	2 hours	Not provided
Charging case full charge time Sources Sony INZONE Buds Manufacturer specification · Approximately; charging case only, not an earbud-charge duration. Sony INZONE Buds official English Help Guide Beyerdynamic DT 900 PRO X No source recorded.	3 hours	Not provided
Bluetooth codecs Sources Sony INZONE Buds Manufacturer specification · Positively named supported codecs. Unlisted formats are not marked unsupported. Bluetooth audio specifically requires LE Audio; the exact source explicitly excludes sound on a Bluetooth device without LE Audio. Sony INZONE Buds official English Help Guide Beyerdynamic DT 900 PRO X No source recorded.	LC3	Not provided
Bluetooth version Sources Sony INZONE Buds Manufacturer specification · The stated version does not establish every optional Bluetooth feature or universal device compatibility. Sony INZONE Buds official English Help Guide Beyerdynamic DT 900 PRO X No source recorded.	5.3	Not provided
LE Audio required for Bluetooth sound Sources Sony INZONE Buds Manufacturer specification · The guide explicitly says that Bluetooth devices without LE Audio produce no sound even when connected; the USB transceiver is the documented alternative. Sony INZONE Buds official English Help Guide Beyerdynamic DT 900 PRO X No source recorded.	Yes	Not provided
Cable length Sources Sony INZONE Buds No source recorded. Beyerdynamic DT 900 PRO X Manufacturer specification · Longest supplied cable; a second 1.8 m straight cable is also included. beyerdynamic DT 900 PRO X — official product page and technical data (global store)beyerdynamic DT 900 PRO X — spec sheet E1 / DT 900 PRO X (08.21)	Not provided	3 m
Supplied plug and adapter Sources Sony INZONE Buds No source recorded. Beyerdynamic DT 900 PRO X Manufacturer specification beyerdynamic DT 900 PRO X — spec sheet E1 / DT 900 PRO X (08.21)	Not provided	3-pin mini-XLR (headphone end); gold-plated 3.5 mm stereo jack with 6.35 mm (1/4-inch) adapter

Driver construction Sources Sony INZONE Buds No source recorded. Beyerdynamic DT 900 PRO X Manufacturer specification · beyerdynamic's driver name; a diameter is not stated in the sources read. beyerdynamic DT 900 PRO X — spec sheet E1 / DT 900 PRO X (08.21)	Not provided	Dynamic STELLAR.45 driver
Nominal impedance Sources Sony INZONE Buds No source recorded. Beyerdynamic DT 900 PRO X Manufacturer specification beyerdynamic DT 900 PRO X — official product page and technical data (global store)beyerdynamic DT 900 PRO X — spec sheet E1 / DT 900 PRO X (08.21)	Not provided	48 ohm
Rated frequency range Sources Sony INZONE Buds No source recorded. Beyerdynamic DT 900 PRO X Manufacturer specification beyerdynamic DT 900 PRO X — official product page and technical data (global store)beyerdynamic DT 900 PRO X — spec sheet E1 / DT 900 PRO X (08.21)	Not provided	5–40,000 Hz
Rated sensitivity Sources Sony INZONE Buds No source recorded. Beyerdynamic DT 900 PRO X Manufacturer specification · Two references are given: per 1 mW and per 1 V, both at 500 Hz. beyerdynamic DT 900 PRO X — official product page and technical data (global store)beyerdynamic DT 900 PRO X — spec sheet E1 / DT 900 PRO X (08.21)	Not provided	100 dB SPL at 1 mW / 500 Hz; 114 dB SPL at 1 V / 500 Hz
Rated total harmonic distortion Sources Sony INZONE Buds No source recorded. Beyerdynamic DT 900 PRO X Manufacturer specification beyerdynamic DT 900 PRO X — spec sheet E1 / DT 900 PRO X (08.21)	Not provided	0.80% at 100 Hz, 0.05% at 500 Hz, 0.04% at 1 kHz (at 1 mW)
Maximum input power Sources Sony INZONE Buds No source recorded. Beyerdynamic DT 900 PRO X Manufacturer specification beyerdynamic DT 900 PRO X — spec sheet E1 / DT 900 PRO X (08.21)	Not provided	100 mW short-term; 30 mW rated continuous

MicrophoneDifferent Sources Sony INZONE Buds Manufacturer specification · The exact manual documents voice pickup and call or chat controls. No microphone count or measured pickup quality is inferred. Sony INZONE Buds official English Help Guide Beyerdynamic DT 900 PRO X Manufacturer specification · Supplied cables end in a stereo headphone jack; no microphone is listed. beyerdynamic DT 900 PRO X — official product page and technical data (global store)beyerdynamic DT 900 PRO X — spec sheet E1 / DT 900 PRO X (08.21)	Yes	No
Active noise cancellationDifferent Sources Sony INZONE Buds Manufacturer specification · The exact model guide names a noise-cancelling headset and documents its noise-cancelling mode. This is presence, not measured attenuation or comparative sound quality. Sony INZONE Buds official English Help Guide Beyerdynamic DT 900 PRO X Manufacturer specification · Passive, open-back design; no active noise cancellation is listed. beyerdynamic DT 900 PRO X — official product page and technical data (global store)	Yes	No

Companion app Sources Sony INZONE Buds Manufacturer specification · App names as listed in the retained guide. Functions vary with firmware, compatible device and connection; PC gaming configuration uses INZONE Hub. Sony INZONE Buds official English Help Guide Beyerdynamic DT 900 PRO X No source recorded.	INZONE Hub and Sony \| Headphones Connect	Not provided
HEADPHONE LAB software Sources Sony INZONE Buds No source recorded. Beyerdynamic DT 900 PRO X Manufacturer specification · Free plug-in for DAW software (VST3, AU and AAX for Windows and macOS) with crossfeed and optional room simulation; there is no standalone version. beyerdynamic lists the DT 900 PRO X among the models offered FACTORY CALIBRATION, based on the production measurement data of the individual unit. beyerdynamic DT 900 PRO X — official product page and technical data (global store)beyerdynamic HEADPHONE LAB — plug-in features, formats and FACTORY CALIBRATION model list	Not provided	Supported through a separate DAW plug-in, with individual factory calibration

In the box Sources Sony INZONE Buds No source recorded. Beyerdynamic DT 900 PRO X Manufacturer specification beyerdynamic DT 900 PRO X — spec sheet E1 / DT 900 PRO X (08.21)	Not provided	Headphones, 3 m straight mini-XLR cable, 1.8 m straight mini-XLR cable (each with 3.5 mm jack and 6.35 mm adapter), bag

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
Battery capacity Sources Sony INZONE Buds The retained exact-model specification does not establish capacity in mAh. Operating voltage is not a charge capacity. · Manufacturer specification Sony INZONE Buds official English Help Guide Beyerdynamic DT 900 PRO X No source recorded.	Not listed by the manufacturer	Not provided
Wireless charging Sources Sony INZONE Buds Wireless charging capability remains unverified; USB charging does not establish a negative. · Manufacturer specification Sony INZONE Buds official English Help Guide Beyerdynamic DT 900 PRO X No source recorded.	Not listed by the manufacturer	Not provided

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.