1 Year Manufacturer Warranty, Installation Knowledge Required - Strongly recommend to read the wiring guide carefully or go to shop for professional installation to make sure the amplifier works properly and long lasting. USB Charging 5V 1A / Frequency Response: 20Hz - 20KHz / 2 x 10 Amp Maxi Fuse. Drive Max Power Output 300W into 2 Channels (suggests to work with 4 ohm 150W speaker and stable power supply with thick power cable). Require Big Car Battery for constant power supply. Big Power Amp, RMS 100W per channel, need to be installed by skilled technicians. Wired remote can be immerged in water, Silicone Gasket to protect the Black Box from water splashing. Rustproof Aluminum heatsink with white painted finish. All screws and mounting kits are made from Stainless Steel. Class-D Marine Bluetooth Amplifier (No head Unit required) & 3 m Wired Remote with 3-color LED indicator (sources - USB/AUX/Bluetooth). Wired Remote with S-terminal connector, please ensure the cable connection is always tight.

Number of Channels: 2. Brand: VELEX. Mounting Type: Surface Mount. Voltage: 5 Volts. Item Dimensions LxWxH: 8 x 3.9 x 1.96 inches. Best Sellers Rank: See Top 100 in Electronics. : B08GKBH299. Manufacturer: VELEX TECH LTD. Date First Available: August 24, 2020. Item model number: VX508. Product Dimensions: 8 x 3.9 x 1.96 inches; 2.84 Pounds.