Compact yet potent amplifier designed for exceptional performance. Features a sealing rubber gasket to protect controls during inactivity, along with waterproof connectors for both inputs and outputs. Boasting an impressively low THD of 0.01%, this weather-resistant Model 400W amplifier offers a high output across four channels. It delivers up to 75 W x 4 RMS at 2 ohms and up to 38 W x 4 RMS at 4 ohms. Utilizing a Full Range, Class A/B configuration, it supports both High and Low-Level inputs. With dimensions of 152 x 250 x 70 mm, this amplifier seamlessly combines compact design and remarkable power.