Compare DALI IO-6 vs Yamaha YH-E500A vs Bowers & Wilkins PI4
Connectivity
Ports
3.5mm + USB-C
3.5 mm stereo mini
USB-C
Wireless Connectivity
Bluetooth 5.0
Bluetooth 5
Bluetooth, USB-C
Construction
Cable
30 cm, USB-A to C, Single-sided
20cm USB-A to USB-C cable
Carrying Case
Travel case
Pouch, Swivel-able
Colors
Army Green, Chalk White, Iron Black, Caramel White
Black, White, Grey, Blue
Black, Gold, Silver
Drivers
50 mm free edge paper fibre cone
40 mm, Dynamic
14.2mm full range
Form Factor
Over-ear headphones, wireless headphones
In-Ear, Neckband Wireless Headphones, Earbuds
Headphone Type
Closed headphones, Dynamic headphones
Closed headphones, On-ear
Dynamic headphones
Material
Closed back circumaural (over ear)
Microphone
2x mics for ANC + 2x mics for telephony
Dimensions
Weight
325 g
195 g
40 g
Function
Bluetooth Codecs
AAC, aptX, aptX HD
SBC, AAC, Qualcomm aptX, Qualcomm aptX HD
AptX-Adaptive, aptX-HD, aptX-Classic, AAC, SBC
Bluetooth Profiles
A2DP, AVRCP, HFP, HSP
A2DP v1.3.1, AVRCP v1.6.1, HFP v1.7.1, HSP v1.2, BLE GATT
Fast Charging
3hrs with 15min charge
Noise Cancellation
Yes
Yes
Voice Assistance
Siri + Google Assistant support
Weather Resistance
IP53
Performance
Battery Life
60 h
38 h (with ANC on)
10hrs Bluetooth with ANC (12hrs w/o)
Charging Time
2.5 h
3.5 h
Frequency Response
10Hz - 20kHz
20 Hz - 20 kHz
10Hz ~ 30kHz
Impedance
25 ohms Via 3.5mm
Max Sound Level
100 dB
Sensitivity
200 mV rms / 175 mV rms
Total Harmonic Distortion
0.3% (1kHz/10mW)
Production
Accessory
Flight adapter included
Ear Tips: S / M / L
Availability
2020-12
Debut
2019-10
2020-08-19
2019-10
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