Compare Bowers & Wilkins PX7 vs JBL LIVE 650BTNC vs Bose QuietComfort 45
Connectivity
Ports
3.5mm stereo jack + USB-C
3.5mm, USB-C
USB-C, 2.5mm
Wireless Connectivity
Bluetooth
Bluetooth 4.2
Bluetooth 5.1
Wireless Range
30 ft / 9 m
Construction
Battery | Capacity
700mAh Lithium-ion polymer (3.7V)
Cable
1.2m stereo audio cable + 1.2m USB-A to USB-C cable
120 cm
12" USB-C cable + 3.5mm to 2.5mm audio cable
Carrying Case
Yes
Colors
Space Grey, Silver, Carbon
Black, White, Blue + Customizable
Black, White Smoke
Drivers
43.6mm full range
40 mm
Form Factor
Wireless Headphones, Over-Ear
Over-ear wireless headphones
Headphone Type
Dynamic headphones
Closed, Dynamic
Material
PU Leather Ear Cushion
Microphone
4x mics for ANC + 2x mics for telephony
Microphone array
Dimensions
Size | Depth
3.15"
Size | Height
7.68"
Size | Width
6.18"
Weight
310 g
249 g
15.7 oz
Function
Bluetooth Codecs
AptX Adaptive, aptX HD, aptX Classic, AAC, SBC
Bluetooth Profiles
A2DP v1.3.1, AVRCP v1.6.1, HFP v1.7.1, HSP v1.2, BLE GATT
HFP v1.6, A2DP V1.3, AVRCP V1.5
Fast Charging
5hrs with 15min charge
15 minutes for 2 hours play time
15 minutes for 2.5 hours
Noise Cancellation
Yes
Yes
Performance
Battery Life
30 hrs Bluetooth with ANC
30h ANC off / 20h ANC on
24 h
Charging Time
2 h
Frequency Response
10Hz ~ 30kHz
20Hz - 20kHz
Impedance
20k Ohms
32 ohms
Sensitivity
100 dB
Total Harmonic Distortion
0.3% (1kHz/10mW)
Production
Availability
2019-05
2021-09-23
Debut
2019-10
2019 CES
2021-08-31
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