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Looking to improve your subwoofer’s performance without overwhelming your system? The Alpine R2-A75M car amplifier is built to deliver clean, strong bass in a compact and efficient package. Part of Alpine’s trusted R-Series lineup, this mono amplifier provides the power and precision your audio system needs for deep, distortion-free low end.
Whether you're adding bass to a factory system or enhancing an existing aftermarket setup, the R2-A75M is designed to work effortlessly and reliably.Experience deeper bass, enhanced clarity, and unmatched power every drive.
The Alpine R2-A75M is a mono Class D car amplifiers that’s made for subwoofer duty. It’s compact but powerful enough to push serious bass.
Power Output Ratings:
300 watts RMS x 1 at 4 ohms
500 watts RMS x 1 at 2 ohms
750 watts RMS x 1 at 1 ohm
It’s optimized to power one or more subwoofers with consistent and clean output, even at high volumes.
Alpine designed this amplifier to integrate with a wide range of audio setups. Whether you’re using an OEM stereo or an aftermarket head unit, the R2-A75M connects with ease.
Integration Features Include:
High- and low-level inputs
Speaker-level signal sensing for automatic turn-on
RCA connections for aftermarket radios
Compact size for tight installation spaces
You can upgrade your bass without having to overhaul your entire sound system.
With the R2-A75M, Alpine gives you more than just power—you also get precision. Onboard tuning options let you tailor the bass response to match your music and vehicle acoustics.
Tuning Features:
Variable low-pass crossover: 50Hz–400Hz
Subsonic filter: 10Hz–40Hz
Bass EQ with up to +12dB boost
Compatible with Alpine RUX-KNOB.2 (sold separately)
Whether you're into hip-hop, EDM, or rock, you can fine-tune your bass for peak performance.
One of the best features of this car amplifier is its size. It’s small enough to fit under seats, behind trim panels, or in tight trunk spaces. And it’s built tough with heat-resistant components and protective circuitry.
Durability and Installation Benefits:
Brushed aluminum heat sink for cooling
Short circuit and thermal overload protection
Side-mounted control panel for easy access
Fits in small or unconventional install spots
Whether you're installing it yourself or working with pros, setup is quick and clean.
The R2-A75M is ideal for subwoofer setups, but Alpine offers a full lineup for every type of system. Visit our car amplifier collection to explore more multi-channel or mono models to suit your needs.
Want to further improve your ride’s comfort and style? Check out car window tinting to reduce glare, protect your interior, and stay cool during sunny drives.
At Audio Jam, we offer expert advice, top-tier equipment, and clean, professional installations. Let us install your Alpine R2-A75M car amplifier and optimize it for maximum performance.
📍 Address: 227 Governors Pl, Bear, DE 19701
📞 Phone: (302) 832-2868
🌐 Website: www.audiojamonline.com
From tuning to wiring, we make your upgrade easy and efficient.
Q1: Can the R2-A75M run more than one subwoofer?
Yes. If wired properly to a 1-ohm load, it can power multiple subwoofers efficiently.
Q2: Will this amp work with a factory radio?
Absolutely. It accepts high-level inputs and features auto turn-on with speaker signal detection.
Q3: Does it come with a remote bass control?
No. However, it supports the Alpine RUX-KNOB.2, which is sold separately for remote bass level control.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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I did receive my package in only a few days which was great. I have opened it and it is the complete kit. Hopefully when I have it installed it works as expected. If so it will have been a great shopping experience with, Audio Jam.
Shipping to took to long a week late
It didn’t work and no instructions included
I did receive my package in only a few days which was great. I have opened it and it is the complete kit. Hopefully when I have it installed it works as expected. If so it will have been a great shopping experience with, Audio Jam.
Good product
