All-Weather Monoblock Amplifier AudioControls ACX-300.1 all-weather monoblock amplifier delivers honest power levels to the sound system in your boat ATV motorcycle and more. The ACX-300.1 will ensure your open-air speakers and subwoofers deliver plenty of punch and clarity all day long. Installer-friendly heavy-gauge quick-connect wiring makes installation quick and painless making the ACX-300.1 all-weather monoblock amplifier the perfect solution for your next adventure. Features: 1 x 300 watts @ 2 ohms 1 x 175 watts @ 4 ohms IPX6 Rated AccuBASS bass management GTO Signal Sense High and low input modes Linkwitz-Riley Crossover Bulletproof 5-year **(when installed by an authorized AudioControl dealer) Whats in the Box ACX-300.1 Manual 5 Year Warranty Specifications InputsPreamp/Speaker Level Inputs: 2 Input Voltage Low: 500 mV 6 Vrms Input Voltage Range High: 1 Vrms 12 Vrms OutputsRated Continuous (RMS) Power at 14.4V:4 175 W x 1 RMS 2 300 W x 1 RMS PerformanceFrequency Response: 26 Hz 22 kHz Signal to Noise: 102 dBA Ref 50 W @ 4 Ohm THD+N: 0.05% Crossover: 12 dB/octave Linkwitz-Riley 80 Hz 120 Hz Bypass IP Rating: IPX6 Weight DimensionsDimensions (W x H x D): 9.0" x 2.25" x 3.875" Weight: 7.2 lbs. (3.3 kg)