Compare Sennheiser HD 350BT vs JBL Live 660NC vs Sennheiser HD 450BT
Connectivity
Ports
USB-C
USB-C, 3.5mm
USB-C
Wireless Connectivity
Bluetooth 5.0
Bluetooth 5.0
Bluetooth 5.0
Construction
Battery | Capacity
320 mAh
750 mA/3.7 V
600 mAh
Colors
Black, White
Blue, Black, White
Black, White
Drivers
40mm / 1.6” Dynamic Driver
Form Factor
Wireless headphones, over-ear headphones
Over-ear headphones
Wireless headphones, over-ear headphones
Headphone Type
Dynamic headphones, Closed headphones
Closed, Dynamic headphones
Dynamic headphones, Closed headphones
Microphone
MEMS
MEMS
Dimensions
Weight
238 g
265 g / 0.6 lbs
238 g
Function
Bluetooth Codecs
SBC, AAC, AptX, AptX Low Latency
SBC, AAC, AptX, AptX Low Latency
Bluetooth Profiles
HSP, HFP, AVRCP, A2DP
HFP V1.7, A2DP V1.3, AVRCP V1.6
Fast Charging
4h playback in 10min
Microphone Pickup Pattern
Dual Beamforming
Dual Beamforming
Noise Cancellation
No
Yes
Performance
Battery Life
30 hours music playback via Bluetooth
Up to 40h (ANC on) / 50h (ANC off)
30 hours music playback via Bluetooth with ANC activated
Charging Time
2 h
2 hours
2 h
Frequency Response
18Hz to 22kHz (-10 dB)
16Hz – 20kHz
18Hz to 22kHz (-10 dB)
Impedance
32 ohms
Max Sound Level
108 dB (1 kHz/0 dBFS)
94 dB
108 dB (1 kHz/0 dBFS)
Microphone Frequency Response
80 Hz to 6000 Hz (-3 dB)
80 Hz to 6000 Hz (-3 dB)
Microphone Sensitivity
-19 dBV@1 kHz/Pa
Sensitivity
97 dB@1kHz/1mW
Production
Availability
2021-03
Debut
2020 CES
2021-01 (CES 2021)
2020 CES
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