Compare Bowers & Wilkins PX7 vs JBL Live 660NC vs Lenovo Go USB-C Headphones
Connectivity
Ports
3.5mm stereo jack + USB-C
USB-C, 3.5mm
USB-C
Wireless Connectivity
Bluetooth
Bluetooth 5.0
Construction
Battery | Capacity
750 mA/3.7 V
Cable
1.2m stereo audio cable + 1.2m USB-A to USB-C cable
1.2 m, braided, with in-line control
Carrying Case
Yes
Soft travel pouch
Colors
Space Grey, Silver, Carbon
Blue, Black, White
Thunder Black, Storm Grey
Drivers
43.6mm full range
40mm / 1.6” Dynamic Driver
10 mm
Form Factor
Wireless Headphones, Over-Ear
Over-ear headphones
Wired in-ear headphones (earbuds)
Headphone Type
Dynamic headphones
Closed, Dynamic headphones
Microphone
4x mics for ANC + 2x mics for telephony
3x Mics
Dimensions
Size | Height
22.26 mm / 0.88"
Size | Length
27.83 mm / 1.1"
Size | Width
22.16 mm / 0.87"
Weight
310 g
265 g / 0.6 lbs
21.5 g / 0.05 lb
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 V1.7, A2DP V1.3, AVRCP V1.6
Fast Charging
5hrs with 15min charge
4h playback in 10min
Microphone Pickup Pattern
Omni-directional
Noise Cancellation
Yes
Hybrid ANC, Max -30 dB
Performance
Battery Life
30 hrs Bluetooth with ANC
Up to 40h (ANC on) / 50h (ANC off)
Charging Time
2 hours
Frequency Response
10Hz ~ 30kHz
16Hz – 20kHz
20 Hz ~ 20 kHz
Impedance
20k Ohms
32 ohms
32 ohms
Max Sound Level
94 dB
Microphone Frequency Response
50 Hz ~ 8 kHz
Microphone Sensitivity
-19 dBV@1 kHz/Pa
-26 dB
Power Input
10 mW
Sensitivity
97 dB@1kHz/1mW
110 dBm ± 3 dBm
Total Harmonic Distortion
0.3% (1kHz/10mW)
3%
Production
Availability
2021-03
2021-11
Debut
2019-10
2021-01 (CES 2021)
2021-06 (MWC 2021)
Made In
China
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