4 x RCA / Cinch
4 x High-level speaker input
1 x Optical SPDIF (12 – 96 kHz)
1 x Remote In
Input sensitivity
RCA / Cinch 2 – 4 Volts
High-level 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 Co Processor, ADEP.3 circuit, Auto Remote switch


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 96kHz and a high-resolution audio bandwidth up to more than 40kHz provides phenomenal sound quality.

The MINI achieves high-grade specifications such as 10 to 44,000Hz frequency response, 0.001% or less distortion, 106dB or more S/N ratio, and 4V output voltage.

The MINI uses a single chip audio CODEC, AK4627 that includes four ADC channels and six DAC channels. The converters are designed with Enhanced Dual Bit architecture for the ADC and Advanced Multi-Bit architecture for the DAC, enabling very low noise performance.


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