Alpine R2-A75M R-Series Mono Amplifier Enhance your car audio with the Alpine R2-A75M, a high-performance mono amplifier from the R-Series lineup designed for powerful subwoofer performance. Engineered with Class D technology and Hi-Res Audio certification, this compact amplifier delivers 750W RMS at 2 ohms for deep, accurate bass response. Key Features of the Alpine R2-A75M Class D Amplifier Circuit: Provides efficient power output with minimal heat. Hi-Res Audio Certified: Supports high-resolution audio for superior sound quality. Built-in Selectable/Adjustable Crossovers: Includes low-pass filter (50-250 Hz) and subsonic filter (15-40 Hz). Two-Sided Terminal Layout: Simplifies wiring for power and signal connections. Optional Remote Bass Knob: Allows on-the-fly bass level adjustment (RUX-KNOB2 sold separately). CEA-2006 Compliant: Ensures accurate power ratings. Specifications Table Specification Details Amplifier Type Mono Subwoofer Amplifier Power Output (RMS) 750W x 1 @ 2Ω, 500W x 1 @ 4Ω Power Output (Peak) 1,500W x 1 @ 2Ω Frequency Response 10 Hz - 200 Hz Signal-to-Noise Ratio 105 dB @ 4Ω Total Harmonic Distortion (THD) < 1% @ rated power Input Sensitivity 200mV - 4V (RCA), 600mV - 10V (High-Level) Crossover Frequencies Low-Pass: 50-250 Hz (12 dB/Oct), Subsonic: 15-40 Hz (24 dB/Oct) Damping Factor > 250 Operating Voltage 9V - 16V DC Idle Current 0.8A Maximum Current Draw 80A @ 2Ω Dimensions (W x H x D) 7.48" x 2.01" x 7.09" (190 x 51 x 180 mm) Weight 5.5 lbs (2.5 kg) Efficiency Not specified
