This power acoustik® razor marine series class d amp (4 channels, 3,000 watts max) offers class D amp Compact 4.75" chassis design for installation versatility. This high quality, unique marine amplifiers also offers a Splash-resistant conformal-coated circuit boards and a MOSFET power supply with audiophile-grade IRTM transistors. The particular product further has a Military-grade SMT PCB maintains dynamic performance and a 2ohm stereo & 4ohm bridged full-range operation. It also comes with a Direct short, thermal & overload circuits and a 200mV-6V low-level RCA inputs;- High-level input with auto turn on when senses signal ;- Variable 12dB high-pass & low-pass crossovers;- 10Hz-50Hz variable 12dB subsonic crossover protects subwoofers;- Dim: 1.63"H x 12.25"W x 4.75"D;- 4 channels;- 3,000W max ;- 285W RMS x 4 @ 4ohm ;- 375W RMS x 4 @ 2ohm ;- 750W RMS x 2 @ 4ohm bridged; This power acoustik® razor marine series class d amp (4 channels, 3,000 watts max) is a great marine,amplifiers,automotive,marine,gps,marine,speakers,amplifiers,amplifiers,accessories,marine,amplifiers item at a reduced price under $180 you can't miss. This item is brand new, unopened and sealed in its original factory box. Its dimensions are 13.70 x 6.30 x 3.50 inches and it weighs 5.55 lbs. This power acoustik® razor marine series class d amp (4 channels, 3,000 watts max) is a marine amplifiers item from our automotive, marine & gps, marine speakers & amplifiers, amplifiers & accessories, marine amplifiers collections which comes with a full satisfaction guarantee.