Compare JBL Live 660NC vs Sennheiser HD 450BT vs Razer Opus
Connectivity
Ports
USB-C, 3.5mm
USB-C
Wireless Connectivity
Bluetooth 5.0
Bluetooth 5.0
Construction
Battery | Capacity
750 mA/3.7 V
600 mAh
Colors
Blue, Black, White
Black, White
Drivers
40mm / 1.6” Dynamic Driver
2x 40mm, dynamic
Form Factor
Over-ear headphones
Wireless headphones, over-ear headphones
Over-ear
Headphone Type
Closed, Dynamic headphones
Dynamic headphones, Closed headphones
Closed, Dynamic
Microphone
MEMS
2 for voice + 4 for hybrid active noise cancellation
Dimensions
Weight
265 g / 0.6 lbs
238 g
265 g
Function
Bluetooth Codecs
SBC, AAC, AptX, AptX Low Latency
AAC & APTX, 4.2, A2DP, AVRCP, HFP
Bluetooth Profiles
HFP V1.7, A2DP V1.3, AVRCP V1.6
Fast Charging
4h playback in 10min
Microphone Pickup Pattern
Dual Beamforming
Noise Cancellation
Yes
Performance
Battery Life
Up to 40h (ANC on) / 50h (ANC off)
30 hours music playback via Bluetooth with ANC activated
Up to 25h with ANC on
Charging Time
2 hours
2 h
Frequency Response
16Hz – 20kHz
18Hz to 22kHz (-10 dB)
20Hz - 20kHz
Impedance
32 ohms
Max Sound Level
94 dB
108 dB (1 kHz/0 dBFS)
Microphone Frequency Response
80 Hz to 6000 Hz (-3 dB)
Microphone Sensitivity
-19 dBV@1 kHz/Pa
Sensitivity
97 dB@1kHz/1mW
Production
Availability
2021-03
Debut
2021-01 (CES 2021)
2020 CES
2020-05-19
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