S3 PRO Specifications

What’s in the Box?
S3 Pro × 1 USB-A adapter × 1
Warranty card × 1 User manual × 1
Technical Specifications
Dimensions 20*10*90mm
Net Weight Approximately 6g
MQA Support X8
Sampling Rate Indicator Light Supported
D/A Chip ESS ES9281C PRO
Sampling Frequency Up to 32Bit/384kHz
DSD Up to 128
Output Single-ended 3.5mm headphone port
Total Harmonic Distortion + Noise 0.0008%
Signal-to-Noise Ratio 117dB
Channel Separation 70dB
Frequency Response 20Hz-40kHz  (±0.1dB)
Output Power LR 55mW@32Ω 3.5mm SE
Power Connector Type-C
Supported Systems Windows 10, Mac OS, iPad OS, Android, iOS or newer systems.
(For iOS users, the Lightning OTG cable has to be purchased separately)

How to Use