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beyerdynamic

beyerdynamic DT 900 PRO X

Name: beyerdynamic DT 900 PRO X
Brand: beyerdynamic
SKU: B09G777VG7
Price: 319.99 USD

The perfect headphones for bedroom producers and creative professionals.

Current price · Amazon US

$319.99

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Price last checked 8h ago

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Key specs

Acoustic Design

Open-back

Closed-back56%Open-back36%Semi-open8%

Open-back appears on 36% of the 64 studio & professional headphones we've cataloged (of 68).

Impedance

48 ΩBelow average

48 Ω

18 Ω120 Ω

below average for studio & professional headphones — based on 55 of 68 we've cataloged.

Connection Type

Wired-3.5mmMost common

Wired-3.5mm92%Wired-6.35mm8%

Wired-3.5mm is the most common — on 92% of the 66 studio & professional headphones we've cataloged (of 68).

Weight

345 gAbove average

345 g

120 g550 g

above average for studio & professional headphones — based on 57 of 68 we've cataloged.

Sound

Acoustic Design: Open-back
Impedance: 48 Ω
Driver Count: 1
Driver Size: 45 mm
Driver Type: Dynamic driver
Frequency Response: 5-40000 Hz
Frequency Response High Hz: 40000 Hz
Frequency Response Low Hz: 5 Hz
Frequency Response Signature: Neutral
Max Spl: 125 dB SPL
Sensitivity: 100 dB/mW

Connectivity

Connection Type: Wired-3.5mm
Cable Type: Mini-XLR to 3.5mm jack straight, mini-XLR to 3.5mm jack coiled

Design

Weight: 345 g
Color Options: Black
Ear Pad Type: Velour
Detachable Cable: Yes
Foldable: No
Headband Type: Adjustable over-head

Build

Material Chassis Primary: Steel, plastic
Material Ear Cups: Velour

Identity

Model Number: DT 900 PRO X

Microphone

Microphone: No

Release

Date: 2021-09-24
Year: 2021

Lab data

How we test ›

Objective measurements from the SoundGuys test lab — overlay other models to see how this one compares.

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beyerdynamic DT 900 PRO XSoundGuys Headphone Preference Curve

Measured frequency response (dB relative) against the SoundGuys Headphone Preference Curve. When the measurement goes above the dashed line, that frequency is louder than our preference curve, and when it goes below: it's quieter. Use the curve for comparison purposes only, as your taste may vary.

beyerdynamic DT 900 PRO X: frequency response, as measured in the SoundGuys lab. Frequency in hertz.
Frequency (Hz)	Response (dB)
20	-4.3
25	-1.1
32	0.4
40	0.9
50	1.0
63	0.7
80	0.5
100	0.8
125	0.7
160	0.3
200	0.2
250	0.1
315	0.1
400	-0.1
500	-0.4
630	0.0
800	0.0
1000	0.0
1250	0.2
1600	2.3
2000	5.4
2500	7.2
3150	7.0
4000	3.2
5000	10.1
6300	12.6
8000	11.7
10000	8.2
12500	4.2
16000	-7.9
20000	-11.8

beyerdynamic DT 900 PRO X

Passive isolation (dB) with ANC off — how much ambient noise the fit blocks on its own. Higher on the chart means more attenuation.

beyerdynamic DT 900 PRO X: passive isolation, as measured in the SoundGuys lab. Frequency in hertz.
Frequency (Hz)	Attenuation (dB)
21	0.3
26	-0.1
33	-0.0
41	0.0
52	-0.1
65	-0.2
82	0.2
103	0.3
130	-0.1
163	-0.1
205	-0.3
259	-0.3
325	-0.2
410	-0.4
516	-0.4
613	-1.1
772	-1.2
972	-0.6
1220	1.7
1540	4.7
1940	1.5
2440	7.1
3070	10.4
3870	17.3
4870	21.0
6130	25.7
7720	30.5
9720	25.5
12200	18.8
15400	19.5
19400	20.1

SoundGuys review

SOUNDGUYS rating

7.5/ 10

Recommended

Reviewed byChase BernathBrand & Partnerships ManagerReviewed June 2022

Comfort & fit9.3

Connectivity6.5

Design9.2

Portability5.1

Features7.0

Value8.5

The verdict

Content creators, music professionals, and audio enthusiasts can all get something out of the Beyerdynamic DT 900 PRO X. The German headphone manufacturer continues to set the standard for what great open-back headphones should be. Those who want something for a variety of applications may not find the DT 900 PRO X meets all of their needs, but so long as you know what to expect, you'll enjoy these headphones.

✓Liked: Sound quality, Plush fit, Replaceable parts, Low impedence

✕Could be better: A bit heavy, Not very portable

Read the full SoundGuys review →

Owners

How we verify owners

Nobody who owns the beyerdynamic DT 900 PRO X has written in yet.

Owner notes are not paid for, not solicited from specific owners, and not edited by us. The commission SoundGuys may earn on this page comes from retail links, never from notes.

Own the beyerdynamic DT 900 PRO X?

Three answers, four quick reads, one sentence nobody tells you before buying. Shown under a pseudonym.