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Product Code: Helix D One
Availability: In Stock
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Helix D One 1-Channel Mono Amp 1000W Max

The new entry into the HELIX world! The amplifiers of the D series are solely modest with respect to pricing. Everything else is thoroughly pure HELIX quality without any compromises. Loads of power, excellent measurement data and a whole bunch of features ensure a pristine and crispy sound experience!

Absolutely nothing has been missed for powerful bass reproduction - the active crossover with subsonic filter, the lowpass filter, phase control and bass boost are equally as self-evident as the intelligent highlevel input that incorporates Audiotec Fischer´s proprietary ADEP circuit. Not to mention the cable remote control for volume that is included in delivery.

Thanks to its 1-Ohm stability the D ONE is every else but choosy when selecting an appropriate subwoofer. If you still think that the power output isn't sufficient, then simply combine two devices to one single powerhouse - the master/slave option makes it possible.

The elegant design not only states right from the beginning the amp's heritage but also allows an easy integration into your car thanks to its compact dimensions. Get your car "bass-tuned" and simply have fun!

Core Features:

  • 2-channel high- and lowlevel input
  • Smart highlevel input with ADEP circuit (Advanced Diagnostics Error Protection) and Auto Turn-On function
  • Fully active crossover with subsonic, lowpass, bass boost and phase
  • Master / Slave Mode for connecting two amplifiers in bridged mode
  • Extremely stable MOSFET power supply
  • Cable remote control for volume adjustment
  • Highlevel input sensitivity up to 14 Volts max.
  • SMD (Surface Mounted Device) manufacturing technology combines minimum space requirement with maximum reliability
  • Massive aluminum heatsink for best cooling conditions

Special features:

Smart highlevel input

The latest generation of OE car radios incorporates sophisticated possibilities of diagnosing the connected speakers. If a common amplifier will be hooked up failure messages and loss of specific features (e.g. fader function) quite often appears - but not with the D ONE.

The new ADEP circuit (Advanced Diagnostics Error Protection) avoids all these problems without loading the speaker outputs of the OE radio during high volumes unnecessarily.

Technical Specs

Output power RMS / max.Normal operation
(One amplifier)
Master / Slave Mode
(Two amplifiers)
- @ 4 Ohms1 x 200 / 400 Watts1 x 645 / 1,290 Watts
- @ 2 Ohms1 x 340 / 680 Watts1 x 910 / 1,820 Watts
- @ 1 Ohm1 x 530 / 1,060 Watts
- bridged @ 4 Ohms
- bridged @ 2 Ohms
Amplifier technologyClass D
Inputs2 x RCA / Cinch
2 x Highlevel speaker input
1 x Remote In
1 x Remote control input
Input sensitivityRCA / Cinch 0.5 - 6 Volts
Highlevel 1 - 14 Volts
Input impedance RCA / Cinch30 kOhms
Input impedance highlevel12 Ohms
Outputs1 x Speaker output
Output voltage RCA / Cinch
Signal converter for digital input
Frequency response10 Hz - 250 Hz
Bass boost0 - 12 dB / 45 Hz
Lowpass50 Hz - 250 Hz adjustable
Bandpass10 Hz - 250 Hz adjustable
Subsonic10 Hz - 50 Hz adjustable
Phase0 - 180° adjustable
Slope high- / lowpass
Slope subsonic / lowpass12 dB/Oct.
Signal-to-noise ratio digital input
Signal-to-noise ratio analog input95 dB (A-weighted)
Distortion (THD)0.25 %
Damping factor100
Operating voltage9.6 - 16 Volts
Idle current1000 mA
Fuse2 x 30 A Maxi-fuse (APX)
Additional featuresActive, adjustable crossover, bass boost, phase shift, Master / Slave Mode switch, highlevel input with automatic turn on function and Advanced Diagnostics Error Protection (ADEP), bass volume cable remote control 
Dimensions (H x W x D)53 x 250 x 230 mm /
 2.09 x 9.84 x 9.06”

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