Description
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Memphis MX400.4
The MX400.4 is a 400-watt 4-channel Class-D powersports amplifier designed for UTVs, ATVs, and other outdoor vehicles. It features a compact design with a conformal-coated board to resist moisture and corrosion. The amplifier is IP66-rated for water and element resistance and includes top-mounted controls with a water-resistant cover. Sealed connectors ensure reliable weatherproof connections, and it offers high- and low-level inputs along with a 2/4-input switch for flexible channel operation.
Features
| Feature | Details |
|---|---|
| Design | Compact |
| Circuit Board | Conformal coated |
| Water & Element Resistance | IP66 rated |
| Controls | Top mounted |
| Crossover | MX400.4 fixed 80Hz |
| Connectors | Sealed |
| Inputs | High/Low input |
| Input Switch | 2/4 Input Switch (MX800.4, MX400.4) |
Specifications
| Specification | Details |
|---|---|
| RMS Power 4Ω | 75 × 4 W |
| RMS Power 2Ω | 100 × 4 W |
| RMS Power 1Ω | – |
| Bridged/Mono Power 4Ω | 200 × 2 W |
| THD% 4Ω | <1% |
| Frequency Response | 10 Hz – 20 kHz |
| Dimensions (L × W × H) | 8.75 × 3.25 × 1.75 in |
| Input Range | 300 mV – 9.7 V |
| Amp Kit | 8GK |















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