beyerdynamic DT 700 PRO X vs HIFIMAN DEVA Pro

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DT 700 PRO X compared with DEVA Pro

	beyerdynamicDT 700 PRO X	HIFIMANDEVA Pro
Overview
Released
Released	October 2021	October 2021
Sound
Type
Type	Over-ear	Over-ear
Noise cancelling
Noise cancelling	No	No
Driver size
Driver size	45 mm	–
Back
Back	Closed	Open
Impedance
Impedance	48 ohms	18 ohms
Bluetooth codecs
Bluetooth codecs	None (wired)	SBC, AAC, aptX and LDAC
Lossless over USB-C
Lossless over USB-C	–	Yes
Chip
Chip	–	Qualcomm QCC5124
Drivers
Drivers	STELLAR.45 dynamic drivers (45 mm, Sound On Sound), made in Heilbronn, closed; 5 – 40,000 Hz; 100 dB SPL (1 mW, 500 Hz), 114 dB SPL (1 V, 500 Hz); THD at 1 mW 0.40% at 100 Hz, 0.05% at 500 Hz, 0.04% at 1 kHz; max. input power 100 mW short-term, 30 mW continuous	Planar magnetic with Stealth Magnets and NEO supernano diaphragm (NsD); 20 Hz – 20 kHz; sensitivity 93.5 dB
Chip
Chip	–	Bluemini R2R dongle with Qualcomm QCC5124 Bluetooth chip and HIFIMAN HYMALAYA R2R DAC; 20 Hz – 20 kHz; signal-to-noise ratio 114 dB; codecs LDAC, aptX HD, aptX, AAC and SBC
Noise cancelling detail
Noise cancelling detail	No active noise cancelling; passive attenuation 20 dBA	–
Battery
Listening time (maker's claim)
Listening time (maker's claim)	No battery (wired)	Up to 7 hours
Battery life detail
Battery life detail	–	Bluemini R2R 6–7 hours, per HIFIMAN's current specifications; the 2021 launch announcement gave 8 hours
Design
Weight
Weight	350 g (better)	360 g
Bluetooth
Bluetooth	–	5.0
Headphone cable
Headphone cable	Yes	Yes
Microphones
Microphones	–	Built into the Bluemini dongle; not available in USB DAC mode
Fit and ear tips
Fit and ear tips	Circumaural, closed-back; spring steel headband with memory foam pad; headband pressure 5.3 N; replaceable velour ear pads and headband pad	Over-ear, open-back (Headfonics); padded headband with two adjustment blocks; bevelled clip-on ear pads
Works with
Works with	3 m and 1.8 m straight cables, detachable, with a lockable 3-pin mini-XLR connector on one side; gold-plated 3.5 mm stereo jack with 6.35 mm adapter	Dual-sided 1.5 m 3.5 mm TRS cable; the left socket also takes a single-sided 3.5 mm TRRS balanced cable (not included) or the Bluemini dongle; not compatible with TS cables; USB-C on the Bluemini for charging and USB audio (not iPhones)
Colours
Colours	Black	–
In the box
In the box	Headphones, 3 m straight cable, 1.8 m straight cable, 6.35 mm adapter, bag	Headphones, 1.5 m cable (3.5 mm plug), USB-C to USB-A cable, 3.5 mm to 6.35 mm adapter, Bluemini R2R, ear pads (fitted). The Bluemini weighs 25 g and is not included with the DEVA Pro-wired