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HiBy W3


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  • All-round Bluetooth codecs support: Including Hi-Res UAT/LDAC/aptX/aptX HD/aptX LL/AAC/SBC in BT 5.0 standard, bring you an extreme wireless HiFi experience.
  • Powerful hardware combo: Utilizing the premium CSR8675 Bluetooth 5.0 chip and separate AK4377 DAC+Amp chip, HiBy W3 Bluetooth headphone amplifier can bring you wireless Hi-Fi lossless audio quality.
  • Supporting 192kHz audio wirelessly: UAT (Ultra Audio Transmission) is a Hi-Res Bluetooth codec independently researched and developed by HiBy Music. Supporting an industry-first 192kHz sample rate and 1.2Mbps bitrate.
  • Multiple connection methods: HiBy W3 HiFi headphone amp also supports USB DAC function through USB Type-C port, which is plug-and-play on all devices, and one-touch NFC pairing.
  • Long battery life & App remote control: 320mAh battery for 11 hours of runtime (playing AAC format continuously).HiBy W3 can be remotely controlled via HiBy Blue app.

Physical Specifications

Bluetooth Chipset    CSR8675
DAC AK4377
Bluetooth Specification Bluetooth 5.0, supports UAT/LDAC/aptX/aptX HD/aptX LL/SBC/AAC
Bluetooth Recption Range 10 Meters
Control Interface  Buttons and voice prompts
Status Indicators Blue and Red LED
Microphone Supported
Headphone Jack 3.5mm
Battery 320mAh
Battery Life 11.5 hours play time (playing AAC), 100 hours standby time
Weight 19.5g
Dimensions 58.82mm * 25.6mm *15.8mm (including shirt clip)

W3 Audio Specifications

Output Voltage (32Ω load) 1Vrms
Output power (32Ω load) 32mW+32mW(THD<1%)
Frequency response (±3dB) (via UAT decoding) 20Hz-90kHz
Noise floor (A-weighted) 1.1µV
SNR (A-wt)
LDAC THD+N:(A-wt) 0.003%
UAT THD+N:(A-wt) 0.002%
SBC THD+N:(A-wt) 0.04%

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