Stereo Tri-Tone Control Pre-Amp and Headphone Amp

Part #: S21A

Download: Drivers / Documents

Other Pictures:
S21A supports Tri-Band equalization. The sound is clear and warm. If you like to adjust different sound band that suits your musical experience preference, This is the perfect choice between your player and music system and will improve the sound of all your music

Feature & Specification
Quad Opamp design
Tri-Band Tone Contro
   Treble ;
  - Control Range: 3KHz-20KHz ;
  - Trim Range: -12dB to +12dB ;
  - Center Freq: 18KHz ;
   Middle ;
  - Control Range: 200Hz-4KHz ;
  - Trim Range: -10dB to +10dB ;
  - Center Freq: 1KHz ;
   Bass ;
  - Control Range: 20-250Hz ;
  - Trim Range: -14dB to +14dB ;
  - Center Freq: 20Hz ;
Audio channel balance control
Independent opamp for each channel to minimize the crosstalk
Integrated isolation power to boost 5V to +/-12V
SNR: around 112dB (A-weighting)
THD: 0.003%
3.5mm headphone output & Line output
Headphone Drive Ability: 16 - 600ohm
Max. Headphone Output power:
  - around 200mW / 16ohm ;
  - 120mW / 32ohm at 1KHz;
Hardware Loudness EQ
Direct switch for bypass hardware tone control
Integrated de-pop function for suppress pop noise during PC power-up and shutdown

Package Contents
Tone control Audio Box x 1
User Manual x 1
Micro USB cable x 1


Part Number Chipset
S21A Cmedia

All information and specification are subject to change without prior notice
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The picture/s above might differ from the actual product delivered