Helix V Eight DSP



Output power RMS / max.

– @ 4 Ohms
75 / 150 Watts per channel
– @ 2 Ohms
120 / 240 Watts per channel
– @ 1 Ohm

– bridged @ 4 Ohms

– bridged @ 2 Ohms

Amplifier technology
Pure Class GD
6 x RCA / Cinch
6 x Highlevel speaker input
1 x Optical SPDIF (12 – 96 kHz)
1 x Remote In
Input sensitivity
RCA / Cinch 2 – 4 Volts or 4 – 8 Volts
Highlevel 5 – 10 Volts or 10 – 20 Volts
Input impedance RCA / Cinch
10 kOhms
Input impedance highlevel
13 Ohms oder 13 kOhms
8 x Speaker output
2 x RCA / Cinch
2 x Remote Out
Output voltage RCA / Cinch
3 Volts RMS
Frequency response
20 Hz – 22,000 Hz
DSP resolution
64 Bit
DSP power
295 MHz (1.2 billion MAC operations/second)
Sampling rate
48 kHz
DSP type
Audio signal processor
Signal converters
A/D: BurrBrown
D/A: BurrBrown
Signal-to-noise ratio digital input
105 dB (A-weighted)
Signal-to-noise ration analog input
100 dB (A-weighted)
Distortion (THD)
< 0.015 %
Damping factor
> 70
Operating voltage
10.5 – 16 Volts (max. 5 sec.down to 6 Volts)
Idle current
540 mA
Max. remote output current
500 mA
2 x 30 A LP-Mini-fuse (APS)
Additional features
HEC slot, ADEP circuit, Auto Remote switch, Control Input
Dimensions (H x W x D)
44 x 220 x 180 mm /
1.73 x 8.66 x 7.09“


The HELIX V EIGHT DSP 8-channel amplifier with integrated 10-channel signal processor opens up new horizons for car audio enthusiasts.
Its unique “Pure Class GD” concept and cutting-edge “fixed point” Audio DSP with 64 Bit resolution ensures extraordinary sound quality and loads of power.
Furthermore, a huge feature set provides the ideal set of pre-requisites for more complex system concepts – especially if fully active configurations are going to be built on a single and compact amplifier.
Eight speaker outputs with up to 120 Watts RMS @ 2 Ohms, two processed RCA outputs for the connection of additional amplifiers, six RCA and six highlevel inputs with up to 20 V RMS input sensitivity and an optical SPDIF input make this amplifier absolutely unique in its class. The HELIX Extension Card slot (HEC) allows adding even more interfaces, like the Bluetooth® Audio Streaming module or a High Resolution Audio USB soundcard.
Thanks to Audiotec Fischer’s DSP PC-Tool, the integrated DSP can be easily configured to ones individual requirements. Despite the gigantic feature content, the V EIGHT DSP presents itself in the classic HELIX design language, a clean design with very compact dimensions allows for a quick and easy integration.


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