HELIX C FOUR
Class A/B 4-channel amplifier — 4 x 220 W (2 Ω).
Specifications
| Output power RMS ≤ 1% THD+N | |
|---|---|
| - @ 4 Ohms | 4 x 150 Watts |
| - @ 2 Ohms | 4 x 220 Watts |
| - @ 1 Ohm | - |
| - bridged @ 4 Ohms | 2 x 440 Watts |
| - bridged @ 2 Ohms | - |
| Max. output power per channel* | Up to 250 Watts RMS @ 2 Ohms |
| Amplifier technology | Class AB |
| Inputs | 4 x RCA / Cinch 1 x Remote In Optional via HDM 2 module: 2 x Optical SPDIF (28 - 96 kHz) |
| Input sensitivity | RCA / Cinch 1 - 8 Volts |
| Input impedance RCA / Cinch | 7.5 kOhms |
| Input impedance highlevel | - |
| Outputs | 4 x Speaker output |
| Output voltage RCA / Cinch | - |
| Signal converter for digital input | - |
| Frequency response | 10 Hz - 80,000 Hz |
| Bass boost | - |
| Highpass | 15 Hz - 4,000 Hz adjustable |
| Lowpass | 15 Hz - 4,000 Hz adjustable |
| Bandpass | 15 Hz - 4,000 Hz adjustable |
| Subsonic | - |
| Phase | - |
| Slope high- / lowpass | 12 dB/Oct. |
| Slope subsonic / lowpass | - |
| Signal-to-noise ratio digital input | - |
| Signal-to-noise ratio analog input | 112 dB (A-weighted) |
| Distortion (THD) | < 0.007 % |
| Damping factor | > 1000 |
| Operating voltage | 9 - 16 Volts (max. 5 sec. down to 6 Volts) |
| Idle current | 2400 mA |
| Operating temperature range | -40 °C to +70 °C |
| Fuse | 3 x 30 A LP-Mini-fuse (APS) |
| Additional features | Active, adjustable crossover, HDM slot, input mode switch, High-Resolution audio, Start-Stop capability |
| Dimensions (H x W x D) | 37.1 x 430 x 240 mm / 1.46 x 16.93 x 9.45" |
Installed by Audio Edge
We sell every product as part of a system designed for your vehicle — consultation, installation, and tuning included. Tell us what you drive and we’ll tell you what this can do in your car.
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