Compare JBL Live 660NC vs Sennheiser HD 450BT vs Sennheiser IE 300
Connectivity
Ports
USB-C, 3.5mm
USB-C
3.5 mm
Wireless Connectivity
Bluetooth 5.0
Bluetooth 5.0
Construction
Battery | Capacity
750 mA/3.7 V
600 mAh
Cable
125cm, reinforced with para-aramid
Colors
Blue, Black, White
Black, White
Drivers
40mm / 1.6” Dynamic Driver
7mm Extra Wide Band (XWB) transducer
Form Factor
Over-ear headphones
Wireless headphones, over-ear headphones
In-ear headphones
Headphone Type
Closed, Dynamic headphones
Dynamic headphones, Closed headphones
Single Dynamic Driver, Pressure Chamber
Microphone
MEMS
Dimensions
Weight
265 g / 0.6 lbs
238 g
4 g
Function
Bluetooth Codecs
SBC, AAC, AptX, AptX Low Latency
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
Charging Time
2 hours
2 h
Frequency Response
16Hz – 20kHz
18Hz to 22kHz (-10 dB)
6 Hz to 20 kHz
Impedance
32 ohms
Max Sound Level
94 dB
108 dB (1 kHz/0 dBFS)
124 dB (1 kHz / 1 Vrms)
Microphone Frequency Response
80 Hz to 6000 Hz (-3 dB)
Microphone Sensitivity
-19 dBV@1 kHz/Pa
Sensitivity
97 dB@1kHz/1mW
Production
Accessory
Eartips: Silicone and memory foam ear adaptors in S / M / L (6 in total) | Cable: Optional balanced cables (2.5mm or 4.4mm)
Availability
2021-03
Debut
2021-01 (CES 2021)
2020 CES
2021-01-12 (CES 2021)
Made In
Germany
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