DC AUDIO 90.4 | 520 WATT 4 CHANNEL CAR AMPLIFIER
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The 90.4 Competition series amplifer is a 90 watts per channel @ 4 ohms or 130 watts per channel @ 2 ohms. This amp has a fully active crossover and lots of clean power for the SQ minded builds. Its also fits installs where you may want to amplify your front stage and bridge the rear 2 channels to your sub stage and have a bass knob to control it. Versatility is what this amp is all about.
| Features | Voltage | 90.4 | |
| Output Power (RMS) | 4 ohm | 90Wx4 | |
| 2 ohm | 14.4V | 130Wx4 | |
| 1 ohm | n/a | ||
| 4 ohm mono | 14.4V | 250Wx2 | |
| 1 ohm | 18V | n/a | |
| Input Sensitivity | 6V~0.2V | ||
| Frequency Response | Hz | 20Hz~20KHz | |
| 12dB / Octave Crossover | |||
| CH1/2 | |||
| Subsonic Filter | 10Hz ~ 100Hz | ||
| Crossover | 50Hz(500Hz) ~ 5ooHz(5KHZ ) | ||
| Multiply | x1, x10 | ||
| Crossover Selector Switch | HPF / FULL / LP-BP | ||
| Bass Boost | 0~18dB | ||
| CH3/4 | |||
| Subsonic Filter | 10Hz ~ 100Hz | ||
| Crossover | 50Hz(500Hz) ~ 5ooHz(5KHZ ) | ||
| Multiply | x1, x10 | ||
| Crossover Selector Switch | HPF / FULL / LP-BP | ||
| Bass Boost | 0~18dB | ||
| Remote Control | |||
| Frequency Response | Hz | 20-20Khs | |
| Signal to Noise Ratio | dB | 105 | |
| Damping Factor | 200< | ||
| THD @ 4ohms | Less than 0.1% | ||
| Fuse Rating | On Board | Yes | 80 Amps |
| Indicator | Power | Yes | |
| Protection | Yes | ||
| Speaker & Power terminal | Mold Type | Yes | |
| Power | Gauge | 4Ga | |
| Heatsink Length | inch/mm | 14.00"/350mm | |
| Heatsink Width | inch/mm | 9.38"/66mm | |
| Heatsink Height | inch/mm | 2.35"/59.6m | |
FAQ
We always reccomend a big 3 kit for every vehicle, regardless of the system. However, if you plan on running more than 1,500 watts we reccomend a good AGM battery underhood, and then from there more power will need more electrical upgrades depending on power.
