Compare Sennheiser HD 350BT vs DALI IO-4 vs Panasonic M500B
Connectivity
Ports
USB-C
3.5mm + USB-C
3.5mm, USB-C
Wireless Connectivity
Bluetooth 5.0
Bluetooth 5.0
Bluetooth 5.0
Wireless Range
10 m
Construction
Battery | Capacity
320 mAh
Cable
1.2 m detechable
Colors
Black, White
Army Green, Chalk White, Iron Black, Caramel White
Black, White
Drivers
50 mm free edge paper fibre cone
40 mm
Form Factor
Wireless headphones, over-ear headphones
Over-ear headphones, wireless headphones
Over-ear wireless headphones
Headphone Type
Dynamic headphones, Closed headphones
Closed headphones, Dynamic headphones
Closed headphones, Dynamic headphones
Magnet
Neodymium
Material
Closed back circumaural (over ear)
Microphone
MEMS
Dimensions
Weight
238 g
320 g
316 g
Function
Audio
Base Reactor
Bluetooth Codecs
SBC, AAC, AptX, AptX Low Latency
AAC, aptX, aptX HD
SBC, AAC
Bluetooth Profiles
HSP, HFP, AVRCP, A2DP
A2DP, AVRCP, HSP, HFP
Fast Charging
15 minutes for 1.5 hours
Microphone Pickup Pattern
Dual Beamforming
Noise Cancellation
No
No
No
Weather Resistance
IP53
Performance
Battery Life
30 hours music playback via Bluetooth
60 h
30 h
Charging Time
2 h
2.5 h
4 h
Frequency Response
18Hz to 22kHz (-10 dB)
10Hz - 20kHz
20Hz - 20kHz
Impedance
25 ohms (Via 3.5mm)
27 ohms
Max Sound Level
108 dB (1 kHz/0 dBFS)
100 dB
Microphone Frequency Response
80 Hz to 6000 Hz (-3 dB)
Sensitivity
200 mV rms / 175 mV rms
100 dB / mW
Production
Debut
2020 CES
2019-10
2020 CES
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