JAHD240BT 2-Channel Bluetooth Amplifier 80 watt max power (40 watt RMS) Bluetooth? audio (A2DP) Waterproof (IPX6) 4 Ohm ~ 8 Ohm stable Operating voltage - 10 - 18VDC Frequency response - 20 Hz - 20KHz Flush mount lighted chrome switch Epoxy potted enclosure 10 Amp fuse in waterproof holder Corrosion resistant (ASTM B117) Meets ASTM D4329 UV exposure General Specifications Power System 12V DC Operating Voltage Range 10V to 16V Current Draw @ 12V Idle 1 mA Nominal 2.6 A Maximum 5.0 A Operating Temperature Range -22°F to 185°F Storage Temperature Range -40°F to 185°F Maximum Relative Humidity 100% Product Weight (unpackaged) 1.5 lb Output Power RMS 2 x 20Watts Output Power Maximum 2 x 40Watts Total Harmonic Distortion (1W @ 1Khz) 0.5% Applied Test Suite Environ/ Electrical ASA ES0013 Regulatory Certification FCC, CE, Bluetooth, E-Mark, UL60065