Helix
HELIX AMPLIFY 204 X-OVER 4-Channel Amplifier
$518Part only, before GST. Ask us for a fitted price.
About this product
Technical data
| Power RMS ≤ 1% THD+N @ 14.4 V | |
| - @ 4 Ohms | 4 x 100 Watts |
| - @ 2 Ohms | 4 x 190 Watts |
| - @ 1 Ohm | - |
| - bridged @ 4 Ohms | 2 x 380 Watts |
| - bridged @ 2 Ohms | - |
| Max. output power per channel* | Up to 240 Watts RMS @ 2 Ohms |
| Amplifier technology | Class D |
| Inputs | 4 x RCA / Cinch or 4 x Highlevel speaker input 1 x Remote In |
| Input sensitivity | RCA / Cinch: 1 - 8 Volts Highlevel: 2 - 16 Volts |
| Input impedance | RCA / Cinch: 8 kOhms Highlevel: 9 - 33 Ohms |
| Outputs | 4 x Speaker output |
| Output voltage RCA / Cinch | - |
| Signal converter for digital input | - |
| Frequency response | 10 Hz - 20.000 Hz |
| Bass boost | - |
| Highpass | 45 Hz - 400 Hz adjustable (can be turned off) |
| Lowpass | 45 Hz - 400 Hz adjustable (can be turned off) |
| Bandpass | - |
| Subsonic | - |
| Phase | - |
| Slope high- / lowpass | Highpass: 12 dB/Oct. Lowpass: 12 dB/Oct. |
| Slope subsonic | - |
| Slope subsonic / lowpass | - |
| Signal-to-noise ratio (A-weighted) | 99 dB @ full power |
| Distortion (THD @ 1 kHz, 1 W into 4 Ohms) | < 0.012% |
| Distortion (THD+N @ 1 kHz, 1 W into 4 Ohms) | < 0.02 % |
| Distortion (THD @ 100 Hz, 1 W into 4 Ohms) | - |
| Distortion (THD+N @ 100 Hz, 1 W into 4 Ohms) | - |
| Damping factor | 70 |
| Operating voltage | 10.5 - 16 Volts (max. 5 sec. down to 6 Volts) |
| Idle current | 1,100 mA |
| Fuse | 2 x 30 A LP-Mini-fuse (APS) |
| Power rating | DC 12 V ⎓ 70 A max. |
| Operating temperature range | -40 °C to +70 °C |
| Additional features | Active, adjustable crossover, input mode switch, Start-Stop capability, highlevel input with automatic turn-on function, ADEP.3, DirectDSP function |
| Dimensions (H x W x D) | 40 x 248 x 114 mm / 1.58 x 9.76 x 4.49 |
Product Info
The AMPLIFY 204 amplifiers combine four fully bridgeable outputs with outstanding sound quality and impressive performance – ideal for powerful front-end or multi-channel setups. Whether as a classic 4-channel system, a 3-channel configuration with subwoofer, or a bridged 2-channel layout: the 204 adapts flexibly to a wide range of vehicles and system requirements. With an output of 4 x 100 watts RMS at 4 Ω, 4 x 190 watts RMS at 2 Ω, or 2 x 380 watts RMS bridged at 4 Ω, it delivers more than enough power for ambitious setups. Available as an X-OVER version with integrated active crossover or a DIRECT model optimized for pure signal transmission via external DSPs – always with a focus on superior sound performance.