Helix Audio DSP Mini


Compact 64 Bit Audio DSP With Sampling Rate Of 96 kHz & High Resolution Audio Bandwidth Up To More Than 40 kHz Providing Phenomenal Sound Quality

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Small in size, huge in sound!

High tech in compact dimensions – despite its size, the HELIX DSP MINI is crammed with state-of-the-art technology. A 64 Bit Audio DSP of the latest generation in combination with a sampling rate of 96 kHz and a High Resolution audio bandwidth up to more than 40 kHz provides phenomenal sound quality. In addition, the DSP MINI offers unique DSP sound features like the ”Augmented Bass Processing”, the “StageXpander” or the “RealCenter“ function which open new possibilities to tweak your audio system.

But not only in terms of sound quality the DSP MINI heralds a new era in signal processor technology. An extraordinary powerful 32 Bit CoProcessor (ACO) for all monitoring tasks provides a decisive speed increase particularly in data communication with our DSP PC-Tool software, but also when switching between different sound setups. Furthermore, it supplies 10 internal memory locations for sound setups instead of the usual two.

As if that weren’t enough – the high level input with ADEP.3 circuit (Advanced Diagnostics Error Protection, 3rd Generation), the Auto Remote switch, an optical input as well as the HELIX Extension Card slot (HEC slot) for system add-ons like Bluetooth Audio Streaming or High Resolution Audio Streaming via USB are, of course, part of the basic equipment.

The DSP MINI presents itself in the HELIX-typical, clean look – far too beautiful to hide it “somewhere” in the vehicle due to its small dimensions.



  • 4 x RCA / Cinch
  • 4 x Highlevel speaker input
  • 1 x Optical SPDIF (12 – 96 kHz)
  • 1 x Remote In

Input sensitivity

  • RCA / Cinch 2 – 4 Volts
  • Highlevel 5 – 11 Volts


  • 6 x RCA / Cinch
  • 1 x Remote Out

Output voltage

  • 4 Volts

Frequency response

  • 10 Hz – 44,000 Hz

DSP resolution

  • 64 Bit

DSP power

  • 295 MHz (1.2 billion MAC operations/second)

Sampling rate

  • 96 kHz

DSP type

  • Audio signal processor

Signal converters

  • A/D: Asahi Kasei
  • D/A: Asahi Kasei

Signal-to-noise ratio digital input

  • 106 dB (A-weighted)

Signal-to-noise ratio analog input

  • 103 dB (A-weighted)

Total harmonic distortion (THD+N) digital input

  • < 0.001 %

Total harmonic distortion (THD+N) analog input

  • < 0.002 %

IM distortion (IMD) digital input

  • < 0.004 %

IM distortion (IMD) analog input

  • < 0.004 %


  • > 90 dB

Operating voltage

  • 9.6 – 18 Volts (max. 5 sec. down to 6 Volts)

Current draw

  • < 400 mA

Max. remote output current

  • 500 mA

Additional features

  • HEC slot, Ground lift switch, Control Input, 32 Bit CoProcessor, ADEP.3 circuit, Auto Remote switch