Compare Bowers & Wilkins PX7 vs Sennheiser HD 450BT vs Sennheiser HD 800
Connectivity
Ports
3.5mm stereo jack + USB-C
USB-C
6.35 mm / 4.4 mm, optional XLR-4
Wireless Connectivity
Bluetooth
Bluetooth 5.0
Construction
Battery | Capacity
600 mAh
Cable
1.2m stereo audio cable + 1.2m USB-A to USB-C cable
Carrying Case
Yes
Colors
Space Grey, Silver, Carbon
Black, White
Gold (anniversary edition), Black (standard)
Drivers
43.6mm full range
56 mm
Form Factor
Wireless Headphones, Over-Ear
Wireless headphones, over-ear headphones
Headphone Type
Dynamic headphones
Dynamic headphones, Closed headphones
Dynamic, open, over-ear
Material
Glass fiber
Microphone
4x mics for ANC + 2x mics for telephony
MEMS
Dimensions
Weight
310 g
238 g
330 g
Function
Bluetooth Codecs
AptX Adaptive, aptX HD, aptX Classic, AAC, SBC
SBC, AAC, AptX, AptX Low Latency
Bluetooth Profiles
A2DP v1.3.1, AVRCP v1.6.1, HFP v1.7.1, HSP v1.2, BLE GATT
Fast Charging
5hrs with 15min charge
Microphone Pickup Pattern
Dual Beamforming
Noise Cancellation
Yes
Yes
Performance
Battery Life
30 hrs Bluetooth with ANC
30 hours music playback via Bluetooth with ANC activated
Charging Time
2 h
Frequency Response
10Hz ~ 30kHz
18Hz to 22kHz (-10 dB)
4 - 51k Hz
Impedance
20k Ohms
300 ohms
Max Sound Level
108 dB (1 kHz/0 dBFS)
Microphone Frequency Response
80 Hz to 6000 Hz (-3 dB)
Total Harmonic Distortion
0.3% (1kHz/10mW)
0.02 %
Production
Availability
2020-09-22
Debut
2019-10
2020 CES
2020-09-15
Made In
Germany
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