
Elevate Your Audio
Elevate your audio with the Alpine R2-A75M Mono Amplifier - delivering powerful 750W performance @ 2 Ohms in a sleek, compact design. Built with Alpine's cutting-edge Class-D Amplifier Circuit, this next-generation R-Series amp offers exceptional sound quality and efficiency, making it the perfect addition to any car audio system.


Reduced Footprint
The R2-A75M features a reduced footprint that’s 15% smaller than the previous model (R-A75M), making it easier than ever to install in most vehicle applications while still getting the same powerhouse performance.
Extensive Tuning Options
The R2-A75M features intentional design choices that prioritize convenience and simplicity. All speaker connections are consolidated on one side of the device for easy access, while the amplifier controls have been relocated to the top under a removable plate, allowing for quick adjustments to gain and crossover controls. The amplifier’s chassis also includes integrated mounting “feet” to streamline the installation process.


Remote Bass Knob Ready
You can connect the RUX-KNOB2 remote bass knob (optional available) to the R2-A75M to control the subwoofer level straight from your dash.
Simplified Installation
Intentional designs were made to the amplifier that consolidated all speaker connections to one side of the amplifier for easy access. Amplifier controls were relocated to the top of the amplifier under a removable plate for convenient access to gain and crossover controls. To simplify the installation process, mounting brackets are integrated onto the chassis of the amplifier.

Made for R-Series Speakers & Subs
The R-Series amplifiers are designed to perfectly match the Alpine R-Series speaker and subwoofer line for perfect system building. R-Series components are designed to be played loud, for a fun and great sounding experience including Hi-Res Audio capabilities.
FEATURES
Install
- Terminal Layout: One side
- Small footprint for easy installation
- Screw terminals (for speaker and power cables)
General
- Class-D Amplification (Digital)
- Channel Design: Mono Channel
- Top panel controls
- Thermal Management Control
- Top Mounted LED Power/Status Indicator
- Speaker Level Input with remote turn on
- Crossover: Adjustable Low-pass (LPF) and Variable Subsonic filter
- Adjustable Gain Control
- Bass EQ
- Remote Bass Control (RUX-KNOB2) Ready
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Maximum Output Power:1500 W
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RMS Power per channel at 2 ohm:750 W
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RMS Power per channel at 4 ohm:500
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Built-in filters:Low-pass filter (LPF)
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Minimum Impedance:2 Ohm Ohm
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Amplifier Class:Class D
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General Features:Speaker level input
