Description
Memphis Audio • MX Powersports Amplifiers
Memphis Audio MX400.4 – Powersports 4-Channel Amplifier
Memphis MX powersports amplifiers are designed with side-by-side and powersports applications at their core. The MX400.4 delivers strong multi-channel power in an ultra-compact, weather-resistant chassis, making it an ideal solution for limited-space installations that demand reliable performance in harsh environments.
4-channel powersports amplifier
IP66 rated water resistant
Compact chassis design
Conformal coated circuit board
Top mounted controls
Sealed connectors
Overview
Built for Powersports Environments
The MX400.4 is engineered to deliver dependable power in off-road and marine-style environments. An IP66 rated enclosure, conformal coated boards, and sealed connectors help protect against water, dust, and the elements, while the compact footprint allows easy installation in tight spaces.
- Designed specifically for powersports and side-by-side systems
- Water and element resistant construction
- Compact size for limited mounting locations
Features & Control
Simple Tuning, Secure Design
- Compact amplifier design
- Conformal coated board for added durability
- IP66 rated water and element resistance
- Top mounted controls with protective cover
- Fixed 80Hz crossover (MX400.4)
- High / low level input compatibility
- 2 / 4 input switch (MX800.4 / MX400.4)
- Sealed connectors
Technical Specifications
| Model | MX400.4 |
| RMS Power @ 4Ω | 75W x 4 |
| RMS Power @ 2Ω | 100W x 4 |
| Bridged Power @ 4Ω | 200W x 2 |
| Total Harmonic Distortion | <1% @ 4Ω |
| Frequency Response | 10Hz – 20kHz |
| Input Range | 300mV – 9.7V |
Physical Specifications & Installation
| Dimensions (L x W x H) | 8.75" x 3.25" x 1.75" |
| Recommended Amp Kit | 8GKIT |
Install Tip:
Use the recommended 8GKIT wiring kit to support proper power delivery and reliable amplifier operation.
Use the recommended 8GKIT wiring kit to support proper power delivery and reliable amplifier operation.
Specifications and features are based solely on the provided product data and may be subject to change.