4-Channel Marine Amplifier:Built-in Bluetooth for Wireless Music StreamingDual MOSFET Power SupplyMarine Grade ConstructionWaterproof Marine Rating IP-01Silver-Plated Speaker Output Terminal ConnectorsAdjustable Input GAIN Level ControlAnti-Thump Delay CircuitryBuilt-in Thermal, Overload & Speaker Short ProtectionHeavy Duty Aluminum Alloy HeatsinkOutput Power: 100 Watt x 4 MAXAmplifier Class: ABBluetooth Wireless Range: 25' FeetFuse Type: 20AInput Gain Impedance Adjustment: 1 - 300mVFrequency Response: 15Hz - 30kHz +/-3dBInput Impedance: 10k Ohms (Low), 100 Ohm (High)Input Sensitivity: 250mV (Low), 2.5V (High)T.H.D.: <0.04%S/N Ratio: 95dBPower Supply: DC 12VMatching Speaker Impedance: 4-8 OhmsDimensions (L x W x H): 8.0'' x 7.9'' x 2.0''6" Horn Speakers:Power/Load Rating: 50-WattsNominal Impedance: 8 OhmsFrequency Range: 500 Hz - 5 KHzSPL(@ 1W/1m): 100dBMounting Bracket & Hardware IncludedDimensions: 6" H x 4" W x 8'' DSpeaker Wire:Connects audio speakers to your Audio Video (A/V) receiver or amplifier.Marine grade white copperLength: 50 Feet.Gauge: 16.
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