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Alpine  R-A75M

R-Series 750W x 1 RMS @2Ohms Class D Mono Subwoofer Amplifier

Item #52834

Condition:   Brand New

Product Highlights

  • R-Series Class D Mono Subwoofer Amplifier
  • Power Output: 750W x 1 RMS @ 2 Ohms

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$298.95

Reg. Price $550.00  Save $251.05

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Alpine R-A75M R-Series 750W x 1 RMS @2Ohms Class D Mono Subwoofer Amplifier

Alpine_iLX-407

We are an Alpine authorized dealer so you get up-to-date, fully warrantied products. Shipping is free to the lower 48 states on everything you order!

What's Inside?
  • • Mono subwoofer amplifier
  • • (2) 40-amp ATO fuses (installed)
  • • (4) Mounting feet
  • • (4) 3/4" Screws
  • • (8) M2.5x5.5mm Machine screws
  • • 2mm Allen wrench
  • • 3mm Allen wrench
  • • Owner's manual (English/ French/ Spanish)
  • • Alpine Verification Certificate
  • • Warranty information
  • • Power supply note
  • • On-line product registration information
Alpine_R-A75M
Top-notch Loudness

A mid-tier level subwoofer amplifier with top-notch loudness, like the other car amplifiers in the R-Series, the Alpine R-A75M is designed to be loud, but you can still trust it to produce a high-quality audio performance that you will never forget.

Very Easy to Install Anywhere in a Vehicle

The amplifier comes with a Class-D amplifier, allowing it to be placed in a compact chassis, making it very easy to install anywhere in a vehicle. Every R-Series amplifier comes with an efficiently designed heat sink, giving it an excellent thermal management system that you can count on anytime.

 

Alpine_R-A75M
Alpine_R-A75M
Allowing You to Shape the Low-frequency Reproduction

It has a built-in variable low-pass filter and subsonic filter, allowing you to shape the low-frequency reproduction to your preference. It also has a bass boost option, which boosts 50 Hz frequency up to +12dB, a feature you can use when you still feel the lack of bass produced by your subwoofer.

Can Go Really Deep With Its Bass Performance

The Alpine R-A75M produces a power output of 500 Watts RMS per channel at 4 ohms and 750 Watts RMS per channel at 2 ohms. It can also reach up to 1,500 Watts of peak power. Its frequency response of 10 up to 400 Hz says it all that this amplifier can go really deep with its bass performance.

Alpine_R-A75M
  • Maximum Power : 1500 Watts
  • Low Frequency Response : 50-400 Hz
  • Number of Channels : 1
  • Frequency Response : 10-400 Hz
  • Built In Crossovers : Yes
  • RMS Power Output : 750x1 Watts
  • Channel Separation : No
  • Amplifier Class : D
  • Fuse Rating : 80 A
  • XP750-SE OFFER : Yes

Features:

  • mono subwoofer amplifier
  • 500 watts RMS x 1 at 4 ohms (750 watts RMS x 1 at 2 ohms)
  • CTA-2006 compliant
  • variable low-pass filter (50-400 Hz, 24 dB/octave)
  • variable bass boost (0-12 dB at 50 Hz)
  • variable subsonic filter (8-40 Hz, 24 dB/octave)
  • optional RUX-KNOB.2 wired remote level control
  • preamp and speaker-level inputs
  • speaker wire to RCA adapter required for speaker-level input
  • preamp outputs
  • wiring and hardware not included with amplifier
  • 4-gauge power and ground leads recommended
  • fuse rating: 40A x 2
  • dimensions: 10-3/4"W x 2-1/16"H x 10"D

 

Specifications:

  • Power Output
    • Per Channel, Ref.: 4 Ω, 14.4 V: 500 W RMS × 1
    • Per Channel, Ref.: 2 Ω, 14.4 V: 750 W RMS × 1
  • THD+N 
    • Ref.: 10 W into 4 Ω ≤0.02% 
    • Ref.: 10 W into 2 Ω ≤0.03% 
    • Ref.: Rated Power into 4 Ω ≤0.3% 
    • Ref.: Rated Power into 2 Ω ≤1.0%
  • S/N Ratio 
    • IHF A-wtd + AES-17 
    • Ref.: 1 W into 4 Ω >85 dB 
    • IHF A-wtd + AES-17 
    • Ref.: Rated Power into 4 Ω >105 dB
  • Frequency Response 
    • +0/–3 dB, Ref.: 1 W into 4 Ω 10 Hz - 400 Hz 
    • +0/–1 dB, Ref.: 1 W into 4 Ω 15 Hz - 325 Hz
  • Damping Factor 
    • Ref.: 10 W into 4 Ω at 100 Hz >1,500
  • Input Sensitivity 
    • RCA Input Hi: 0.4 - 10 V 
    • Ref.: Rated Power into 4 Ω Lo: 0.1 - 4.0 V
  • Crossover 
    • Variable LPF 50 Hz - 400 Hz (–24 dB/oct.) 
    • Variable Subsonic 8 Hz - 40 Hz (–24 dB/oct.)
  • Equalizer 
    • Bass EQ (fc=50 Hz) 0 to +12 dB (Variable)
  • Remote Level* 
    • Linear Attenuation 0 to –20 dB
  • Input Impedance >10 kΩ
  • Preamp Output 
    • CH-1/2 Input Pass-through, Buffered 4 V max
  • Dimensions 
    • Width: 273 mm (10-3/4”) 
    • Height: 50.8 mm (2”) 
    • Depth: 200 mm (7-7/8”)
  • * Requires optional RUX-KNOB.2.
  • UPC: 793276242761
  • Weight: 10
  • Authorized Internet Dealer
Warranty: 2 Year(s) Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for repair within 1 year from the original date of purchase with proper return authorization.

Do you own this product?

Write a review!
  • Awesome amplifier. I upgraded from the Alpine MRV entry level amplifiers. I hear a faster and more accurate bass. Very punchy, too. I'm very pleased.

    Ed
    8/13/2020

  • Great amp, perfectly matched and highly recommended when paired with the type R 12" inch sub.

    Matt
    7/8/2022

  • What I have learned from all the years of experience with car audio is that always go for the best brands, such as Alpine. That's why for my subwoofer, I decided to go with this amplifier, and I didn't regret a single bit of my decision. Such nice lows, and loud. Easy to install too

    Marty
    10/20/2023

  • Hooked up the 12-inch JL sub with the amp and the sound’s so wonderful. Love the controls that comes with the amp. They’re spot on, especially with subsonic and low pass filters. They make tuning easier.

    Norman
    3/7/2024

  • Highly recommended! Crazy power for a much lower price. Really good stuff from Alpine. Perfect amplifier for powerful subs that needs a lot of pushing from the amp. Mine runs cool even after long hours of cranking it up, so thermal won’t be an issue with it.

    Maynard
    4/25/2024

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