Alpine R2-A75M Mono Amplifier – Compact Power with Superior Sound Quality

The Alpine R2-A75M Mono Amplifier packs 750W of robust power into a sleek, compact design, making it the perfect option for powering your subwoofer with clarity and precision. As part of Alpine’s Next-Gen R-Series lineup, this amplifier is engineered with their advanced Class D Amplifier Circuit, ensuring exceptional sound quality, efficiency, and reliable performance.

Whether you're upgrading your factory system or building a high-performance audio setup, the R2-A75M delivers the power and efficiency required to drive high-output subwoofers, all while fitting seamlessly into tight installation spaces.

Key Features

1. Powerful and Consistent Performance

• 750 Watts Max Power: Delivers clean and distortion-free bass for an immersive listening experience.
• RMS Power Output:
  • 500W RMS at 4 Ohms: Ideal for high-quality subwoofer playback.
  • 750W RMS at 2 Ohms: Provides robust power output for demanding audio setups.

2. Advanced Class D Amplifier Circuit

• High Efficiency: The Class D design minimizes heat and maximizes energy efficiency, ensuring reliable performance over extended periods.
• Exceptional Sound Quality: Produces clear, distortion-free performance, even at high power levels.

3. Wide Frequency Response

• 10Hz – 400Hz: Optimized for deep, impactful bass with smooth low-frequency transitions.

4. Compact and Sleek Design

• Space-Saving Dimensions: At 11.1" W x 2.17" H x 6.5" D, the compact design allows for easy installation in tight spaces, such as under seats or in shallow enclosures.
• Modern Aesthetics: Complements your vehicle’s interior with a professional and sleek look.

Specifications

General Features

• Type: Class D Mono Amplifier
• Frequency Response: 10Hz – 400Hz

Power Handling

• Max Power: 750 Watts
• RMS Power:
  • 1 x 500W RMS at 4 Ohms
  • 1 x 750W RMS at 2 Ohms

Dimensions

• Size: 11.1" (W) x 2.17" (H) x 6.5" (D)

Why Choose the Alpine R2-A75M Mono Amplifier?

• Compact Yet Powerful: With 750W max power and compact dimensions, this amplifier offers the ideal balance of performance and convenience.
• Efficient and Reliable: The Class D circuit ensures high efficiency, minimal heat, and distortion-free sound.
• Wide Bass Response: Handles frequencies as low as 10Hz, delivering deep, impactful bass with precision.
• Perfect for Subwoofers: Designed to power subwoofers with 500W or 750W RMS, ensuring optimal performance with clarity and punch.
• Versatile Installation: Its compact size allows for flexible placement in your vehicle’s limited spaces.

How to Install the R2-A75M Mono Amplifier

1. Select Your Installation Location: Choose a location with good ventilation, such as under a seat or in the trunk, ensuring the amplifier’s dimensions (11.1" W x 2.17" H x 6.5" D) fit the space.
2. Connect Power and Ground Wires: Use high-quality power and ground wires to ensure efficient energy flow and secure the ground connection for stable operation.
3. Wire the Subwoofer: Connect the amplifier to your subwoofer, ensuring the impedance matches the amplifier’s outputs (2 Ohms or 4 Ohms).
4. Adjust the Amplifier Settings: Fine-tune the gain, low-pass filter, and bass boost controls to achieve your desired sound quality.
5. Test the System: Turn on your sound system, test the bass output, and make adjustments as needed for optimal performance.

Frequently Asked Questions (FAQs)

1. Can the R2-A75M power high-performance subwoofers?

Yes! With 750W max power and 750W RMS at 2 Ohms, this amplifier is designed to drive subwoofers with precision, power, and clarity.

2. What type of subwoofer is compatible with this amplifier?

The R2-A75M is ideal for subwoofers rated for 500–750W RMS power and supports impedance configurations of 2 Ohms or 4 Ohms.

3. Is this amplifier energy-efficient?

Yes, the Class D amplifier circuit ensures high energy efficiency, reducing heat and power consumption while delivering powerful audio performance.

4. Does the compact design limit its performance?

Not at all! Despite its compact size, the R2-A75M delivers 750W max power and handles demanding audio setups with ease.

5. Can I use this amplifier with a factory sound system?

Yes, the R2-A75M can integrate with most factory and aftermarket systems. If your factory system lacks RCA outputs, a line output converter may be needed.