Hi-Fi DSP Audio Preamplifier

New for 2026

Compact, powerful, and versatile — delivering rich, immersive sound with a spacious 3D sound stage. Designed for audiophiles and casual listeners alike, combining advanced features with effortless usability.

Includes remote control and power supply for convenience and flexibility.

Inputs & Isolation

  • 4 analog / 3 analog + 1 digital
  • Optional phono, USB/TOSLINK
  • Channel isolation: -100 dB
  • Left/Right separation: -100 dB

Volume, Tone & Gain

  • Volume: -47 dB to 0 dB, mute at -100 dB
  • Tone: Bass/Mid/Treble ±14 dB per channel
  • Gain: Up to 30 dB per channel; Max output 2 Vrms
  • Balance: 0 to -70 dB per channel

USB & Digital Support

  • USB sample rates: 44.1 kHz – 384 kHz
  • Mac OSX 10.6+ / Linux (UAC2) – driver-free
  • Windows 7–11: KS/Wasapi drivers; other options available

Processors & Tubes

  • Analog Processor: ST TDA7439DS13TR
  • Digital Processor: Optional ESS ES038Q2M
  • USB Processor: ARM Cortex / ATSAM3U / Xilinx (optional)
  • Main CPU: PIC16F1788 RISC
  • Tubes: 6DJ8 / 6922 / 6N23P; Triode common-cathode; Max 2 Vrms (10kΩ), 2.5 Vrms (50kΩ)
Music by: bensound.com
License code: ASD4MQXHYNQ58XAU
Artist: : Benjamin Tissot