Features

Small footprint Class D amplifier with high output power of 600 Watts RMS @ 1 Ohm for easiest combination with all 2 x 2 Ohms subwoofers connected in parallel

Start-Stop capability down to 6V supply voltage

Smart highlevel input with ADEP circuit (Advanced Diagnostics Error Protection) and Auto Turn-On function

Integrated, active crossover with lowpass, bass boost, subsonic and phase control

Extremely stable output stage with high-current power transistors and 1 Ohm stability

Bass remote control for volume adjustment

SMD (Surface Mounted Device) manufacturing technology combines minimum space requirement with maximum reliability

Exclusive, extremely compact and clean design with illuminated HELIX-logo and low heat dissipation thanks to extraordinary efficiency

Technical data

• Output power RMS / max.: 

- @ 4 Ohms1 x 240 / 480 Watts
- @ 2 Ohms1 x 410 / 820 Watts
- @ 1 Ohm1 x 600 / 1,200 Watts
- bridged @ 4 Ohms-
- bridged @ 2 Ohms-

• Max. output power per channel*: Up to 720 Watts RMS @ 1 Ohm
• Amplifier technology: Class D
• Inputs:

2 x RCA / Cinch
2 x Highlevel speaker input
1 x Remote In
1 x Remote control input

• Input sensitivity:

RCA / Cinch 0.5 - 6 Volts
Highlevel 1.1 - 13 Volts

• Input impedance RCA / Cinch: 20 kOhms
• Input impedance highlevel: 13 Ohms
• Outputs: 1 x Speaker output
• Output voltage RCA / Cinch: - 
• Signal converter for digital input: - 
• Frequency response: 10 Hz - 250 Hz
• Bass boost: 0 - 12 dB / 25 - 75 Hz
• Highpass: - 
• Lowpass: 50 Hz - 250 Hz adjustable
• Bandpass: 10 Hz - 250 Hz adjustable
• Subsonic: 10 Hz - 50 Hz adjustable
• Phase: 0 - 180° adjustable
• Slope high- / lowpass: - 
• Slope subsonic / lowpass: 12 / 24 dB/Oct.
• Signal-to-noise ratio digital input: - 
• Signal-to-noise ratio analog input: 95 dB (A-weighted)
• Distortion (THD): 0.20 %
• Damping factor: 100
• Operating voltage: 10.5 - 16 Volts (max. 5 sec. down to 6 Volts)
• Idle current: 650 mA
• Fuse: 2 x 35 A Maxi-fuse (APX)
• Additional features: Active, adjustable crossover, bass boost, phase shift, Start-Stop capability, highlevel input with automatic turn on function and Advanced Diagnostics Error Protection (ADEP), bass volume cable remote control 
• Dimensions (H x W x D): 50 x 230 x 154 mm / 2.00 x 9.06 x 6.06”

* In typical applications as subwoofer amplifier