JL MX300/1 Monoblock Class D Full-Range Amplifier
The JL AUDIO MX300/1 is a monoblock Class D full-range amplifier rated at 300W x 1 at 2 ohm and 14.4V. The unit is used in marine audio system builds where an amplifier category component is installed for speaker or subwoofer power.
Technical Specifications
| Amplifier type | Monoblock full-range amplifier |
|---|---|
| Amplifier class | Class D |
| Rated output at 4 ohm | 160W x 4 at 14.4V |
| Rated output at 2 ohm | 300W x 1 at 14.4V |
| Weight | 13 lb (5.90 kg) |
| Dimensions | 11 x 6 x 4 in (279.4 x 152.4 x 101.6 mm) |
| Category | Amplifiers |
Compatibility & Applications
- Fits marine audio system builds using an amplifier category component.
- Mounts where 11 x 6 x 4 in amplifier space is allocated.
- Pairs with 2 ohm loads using the listed 300W x 1 rating.
- Pairs with 4 ohm loads using the listed 160W x 4 rating.
- Wires to installations evaluated at 14.4V amplifier output ratings.
In a console or cabin audio installation with space for an 11 x 6 x 4 in chassis, the unit provides a listed Class D monoblock amplifier configuration and documented 2 ohm and 4 ohm output ratings.







