Helix M SIX DSP 6 Channel Amplifier 10 Channel Digital Sound Processor 600W RMS


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Product Information


The M SIX DSP is more than “just” another six-channel amplifier – rather, despite its small dimensions, you are dealing with a powerful control centre that has not less than a total of ten processed DSP channels. In addition, the amplifier delivers plentiful output power with generously 100 Watts RMS per channel into both 4 Ohms and 2 Ohms load. Finally, its awesome price-performance ratio in combination with the fantastic feature set will ensure bright eyes.


The HELIX M SIX DSP incorporates an extraordinary powerful 32 Bit CoProcessor of the latest generation for all monitoring and communication tasks, both internally and externally. In opposite to the 8 Bit predecessor generation this MCU achieves way higher speeds with respect to setup switching and data communication with our DSP PC-Tool software. A further significant advantage is the integrated, native boot loader of the CoProcessor. It allows software upgrades of all components of the integrated DSP in order to adjust the microcontroller-controlled ADEP.3 circuit for example to future requirements of the diagnostic system of factory radios or if the device will be extended with additional interfaces. In addition, thanks to the new flash memory, the ACO offers 10 memory locations for sound setups instead of the common two.

Modern, factory-installed car radios incorporate sophisticated possibilities of diagnosing the connected speakers. In particular, the latest generation of car radios are equipped with additional monitoring functions so that failure messages and loss of specific features (e.g. fader function) quite often appear if an amplifier will be hooked up – but not with the M SIX DSP.The new ADEP.3 circuit (Advanced Diagnostics Error Protection, 3rd Generation) avoids all these problems without loading the speaker outputs of the OE radio during high volumes unnecessarily.

The Power Save Mode is incorporated in the basic setup. It allows to significantly reduce the power consumption of the amplifiers that are connected to the HELIX M SIX DSP once there’s no input signal present for more than 60 seconds. Please note that in many up-to-date cars with “CAN” or any other internal bus structures it may happen that the radio remains “invisibly” turned on for up to 45 min. even after locking and leaving the car! Once the “Power Save Mode“ is active the remote output and therefore the connected amplifiers will be turned off. The M SIX DSP will reactivate the remote output within a second if a music signal is applied. It is possible to either modify the turn-off time of 60 sec. or completely deactivate the “Power Save Mode” via the DSP PC-Tool software.

The switched power supply of the HELIX M SIX DSP assures a constant internal supply voltage even if the battery’s voltage drops to 6 Volts during engine crank.


  • Power RMS  ≤ 1% THD+N
  • – @ 4 Ohms    6 x 100 Watts
  • – @ 2 Ohms    6 x 100 Watts
  • – @ 1 Ohm    –
  • – bridged @ 4 Ohms    3 x 200 Watts
  • – bridged @ 2 Ohms    –
  • Max. output power per channel*    Up to 130 Watts RMS @ 4 / 2 Ohms
  • Amplifier technology    Class D
  • Inputs    6 x RCA / Cinch
  • 6 x high-level speaker input
  • 1 x Optical SPDIF (12 – 96 kHz)
  • 1 x Remote In
  • Input sensitivity    RCA / Cinch 1 – 4 Volts
  • High level 5 – 20 Volts
  • Input impedance RCA / Cinch    22 kOhms
  • Input impedance high level 9 – 33 Ohms or 20 kOhms
  • Outputs    6 x Speaker output
  • 4 x RCA / Cinch
  • 2 x Remote Out
  • Output voltage RCA / Cinch    6 Volts
  • 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-to-noise ratio digital input    105 / 108 dB Speaker / Line Output (A-weighted)
  • Signal-to-noise ratio analog input    102 / 105 dB Speaker / Line Output (A-weighted)
  • Distortion (THD)    < 0.03 / 0.005 % Speaker / Line Output
  • Damping factor    100
  • Operating voltage    10.5 – 16 Volts (max. 5 sec. down to 6 Volts)
  • Idle current    1950 mA
  • Max. remote output current    500 mA
  • Fuse    2 x 35 A Maxi-fuse (APX)
  • Power rating    DC 12 V ⎓ 80 A max.
  • Additional features    ADEP.3 circuit, Auto Remote switch, 32 Bit CoProcessor, Control Input
  • Dimensions (H x W x D)    50 x 320 x 154 mm /
  • 2.00 x 12.60 x 6.06”

* In typical multi-channel applications (2- / 3-way system + rear + subwoofer)



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