The DB Drive MOTO400/4 is a 4-channel compact amplifier designed for motorcycles and marine vehicles. With a water-resistant grade of IPX6, this amplifier can withstand exposure to water and harsh outdoor conditions. It has an RMS power output of 200W per channel, totaling 800W for all channels when bridged at 4 ohms. This compact amplifier from DB Drive is ideal for enhancing the audio system of motorcycles and marine vehicles with its powerful performance and durability.