Compare DALI IO-4 vs Sony WH-1000XM4 vs Sennheiser HD 350BT
Connectivity
Ports
3.5mm + USB-C
Gold-plated L-shaped stereo mini plug
USB-C
Wireless Connectivity
Bluetooth 5.0
Bluetooth 5.0, NFC
Bluetooth 5.0
Construction
Battery | Capacity
320 mAh
Cable
Single-sided (detachable)
Colors
Army Green, Chalk White, Iron Black, Caramel White
Black, White
Drivers
50 mm free edge paper fibre cone
1.57 ", dome type (CCAW Voice coil), Aluminum coated LCP
Form Factor
Over-ear headphones, wireless headphones
Wireless headphones, over-ear headphones
Headphone Type
Closed headphones, Dynamic headphones
Dynamic headphones, Closed headphones
Magnet
Neodymium
Material
Closed back circumaural (over ear)
Microphone
MEMS
Dimensions
Weight
320 g
238 g
Function
Bluetooth Codecs
AAC, aptX, aptX HD
SBC, AAC, LDAC
SBC, AAC, AptX, AptX Low Latency
Bluetooth Profiles
A2DP, AVRCP, HFP, HSP
HSP, HFP, AVRCP, A2DP
Microphone Pickup Pattern
Dual Beamforming
Noise Cancellation
No
No
Weather Resistance
IP53
Performance
Battery Life
60 h
30 h (NC on) / 38 h (NC off)
30 hours music playback via Bluetooth
Charging Time
2.5 h
2 h
Frequency Response
10Hz - 20kHz
Wired: 4 Hz-40,000 Hz | Bluetooth: 20 Hz–20,000 Hz (44.1 kHz Sampling)/20 Hz–40,000 Hz (LDAC 96 kHz Sampling, 990 kbps)
18Hz to 22kHz (-10 dB)
Impedance
25 ohms (Via 3.5mm)
Max Sound Level
100 dB
108 dB (1 kHz/0 dBFS)
Microphone Frequency Response
80 Hz to 6000 Hz (-3 dB)
Sensitivity
200 mV rms / 175 mV rms
105 dB / mW (1 kHz)
Production
Availability
2020 Summer
Debut
2019-10
2020-08-06
2020 CES
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