The Boss Audio MR1004 is a 4-channel marine amplifier with a maximum power output of 400W, designed to enhance audio systems on boats by striking a balance between performance, sound quality and outdoor reliability. Its configuration allows it to drive multiple speakers reliably, even at 2 ohms, resulting in greater power and volume.
This model features Class A/B technology, optimised to deliver a clean signal with low distortion, alongside a marine-grade design that protects against moisture, splashes and UV radiation (not waterproof). It is a suitable solution for both new installations and upgrading existing equipment in marine environments.
It features high- and low-level inputs, ensuring compatibility with factory-fitted units or aftermarket equipment. It also includes variable gain control, allowing the amplifier output to be adjusted correctly to prevent distortion or loss of performance.
In terms of power, it delivers 38W RMS x4 at 4 ohms and 75W RMS x4 at 2 ohms, with peaks of up to 50W x4 (4 ohms) and 100W x4 (2 ohms). It features a frequency response of 12 Hz to 22 kHz, 0.01% THD and protection against overheating, overload and short circuits, ensuring safe and stable operation.
Dimensions: 22.86 x 5.08 x 19.68 cm.
A compact and efficient option for those seeking reliability, compatibility and good performance in marine audio systems.