Garage
Shop

See all parts that fit your 2018 GS300

Alpine R2-A75M

750W RMS Class D R-Series Monoblock Car Amplifier

Alpine
Shop all Alpine
Product videos
highlight-star-icon

• 500 watts x 1 channel @ 4 ohm
• 750 watts x 1 channel @ 2 ohm
• Total RMS Power: 750 watts
• Class D 2 ohm Stable Monoblock Amplifier

Learn more about the r2a75m
Universal fit Icon

Universal – fits most vehicles.

Similar items | Update vehicle | Vehicle store
List price $720.00
Thanks , You Pay:
-17%

$599.95

 with warranty
Starting at $55/mo with

Heads up

Your vehicle can use this product in multiple locations. Only a quantity of one can be selected from the product page. You will have the option to adjust the quantity within your cart.

2+ offers available
shipping truck icon Free shipping in USA. Provide zip for delivery date.
Dollar Icon
VIP Product Get $60.00 in rewards to spend later
Quantity
In Stock
Brand new

Buy it now


Acima Logo

No Credit Option

Flexible Lease Payments

Early Purchase Options

Quick Approval Decision

Extend logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Hassle-free immediate replacement within minutes!
  • Easy online claims 24/7
  • Covers product breakdowns and failures
Swoosh Icon Icon of Swoosh

For over 25 years, we've been your X-Factor – the team dedicated to having the biggest impact on your shopping experience!

Award winning icon
Award-Winning Service
Shipping icon
FREE Shipping Orders $49+
60 days return policy icon
60-Day Easy Returns
lowest price guarantee icon
Guaranteed Lowest Price
inHouseExpert
In-House Experts

Choose from any of our many bundles that include this product for even more savings!

R2SB10V_R2A75M_BAK42 small

Alpine Halo R2-SB10V, R2-A75M & Free Belva BAK42

750W RMS 10" Halo Series Linkable Ported Loaded Subwoofer Enclosure + Monoblock Car Amplifier + 4 Gauge Premium (CCA) Copper Clad Aluminum Complete 2-Channel Amplifier Wiring Kit

(169)

$1249.90

List price $1559.99

Bundle Savings of $310.09


Loading...
Limited time!
46CSC654 main

Kicker CSC65 (46CSC654)

600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers

122
-33.36%

$79.96

List price $119.99

Limited time!
46CSC6934 main

Kicker CSC693 (46CSC6934)

900W Peak (300W RMS) 6x9” CS Series 3 Way Coaxial 4-ohm Speakers with Integrated Midrange Speakers

40
-30.02%

$111.96

List price $159.99

43DSC6504 main

Kicker DSC650 (43DSC6504)

480W Peak (120W RMS) 6.5” DS Series 2-way 4-ohm Coaxial Car Speakers (DSC6504)

28
-10.53%

$84.99

List price $94.99

DB652 main

Polk Audio DB652 (DB 652)

600W Peak (200W RMS) 6.5" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

12
-9.16%

$109.00

List price $119.99

Limited time!
Club 622 main

JBL Club 622

360W Peak (120W RMS) 6.5" Club Series 2-way Coaxial 3-ohm Speakers

5
-28.58%

$99.95

List price $139.95

MPK 163.3 main

Hertz MPK163.3

600W Peak (300W RMS) 6.5" Mille PRO Series 3-way 4-ohm Component Speaker System

2
-14.89%

$999.99

List price $1175.00

PNW-65CS2 main

AudioControl PNW-65CS2

250W Peak (200W RMS) 6.5″ PNW Series 2 Way Component 3-ohm Speakers

4
-5.90%

$319.00

List price $339.00

SXE-6926S main

Alpine SXE-6926S

280W Peak (90W RMS) 6x9” SXE Series 2-way 4-ohm Coaxial Speakers

13
-20.84%

$56.99

List price $71.99

NSP65 main

NVX NSP65

540W Peak (180W RMS) 6.5" N-Series 2 Way Coaxial Car Speakers

93
-35.19%

$69.99

List price $107.99

Club 620F main

JBL Club 620F (SPKCB620FAM)

330W Peak (110W RMS) 6.5" Club Series 2-way 3-ohm Shallow Mount Coaxial Car Speakers

2
-38.48%

$79.95

List price $129.95

Current Promotions (5 offers)


This offer cannot be combined with any other coupons or offers.

Alpine R2-A75M

15% off


Priced separately $679 94

Promo Savings of $12 00

Total price:

$667 94

This offer cannot be combined with any other coupons or offers.

Alpine R2-A75M

20% off


Priced separately $649 94

Promo Savings of $10 00

Total price:

$639 94

This offer cannot be combined with any other coupons or offers.

Alpine R2-A75M

20% off


Priced separately $709 94

Promo Savings of $22 00

Total price:

$687 94

This offer cannot be combined with any other coupons or offers.

Alpine R2-A75M

30% off


Priced separately $709 94

Promo Savings of $33 00

Total price:

$676 94

This offer cannot be combined with any other coupons or offers.

Alpine R2-A75M

50% off


Priced separately $634 94

Promo Savings of $17 50

Total price:

$617 44

Product Highlights


• 500 watts x 1 channel @ 4 ohm
• 750 watts x 1 channel @ 2 ohm
• Total RMS Power: 750 watts
• Class D 2 ohm Stable Monoblock Amplifier

Description


Alpine brand icon

Authorized dealer


Alpine R2-A75M


Elevate Your Radio

Elevate your audio with the Alpine R2-A75M Mono Amplifier - delivering powerful 750W performance 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. With reduced footprint feature 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.


Convenience and Simplicity

This unit 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.


Product Details:

  • R-Series Class D 2 ohm Stable Monoblock Amplifier
  • RMS Power Rating:
    • 4 ohm: 500 watts x 1 channel
    • 2 ohm: 750 watts x 1 channel
  • Total RMS power output: 750 watts
  • Power and voltage LED visual indicator
  • Wired bass remote Alpine RUX-KNOB.2 or Alpine RUX-H01 (sold separately)
  • Speaker-level (high-level) inputs (Requires adapter like the Kicker KISL)
  • Reduced Footprint (15% smaller compared to the previous model)
  • Top Panel Sound Controls
  • Integrated Mounting Feet for Simple Installation
  • 1 pair of pre-amp outputs
  • Input sensitivity:
    • Low level: 0.1 - 4.0 volts
    • High level: 0.4 - 10 volts
  • Frequency Response: 10 - 400 Hz
  • Total Harmonic Distortion (THD): 1%
  • Signal to Noise Ratio: >102 dB
  • Variable low-pass filter: 50 - 400 Hz
  • Subsonic filter: 8 - 40 Hz
  • Variable Bass Boost: 0 - 12 dB
  • Fuse Rating: 80A
  • 4 AWG gauge amplifier wiring kit is recommended for installation
  • Dimensions: 11.1" L x 6.5" W x 2.17" H
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty
  • MFR #: R2-A75M

Product history:

Alpine R2-A75M thumbnail
(newest, current model)
Alpine R-A75M thumbnail
(previous model, replaced by Alpine R2-A75M)

Best selling similar products

NDA12001 small

NVX NDA12001

• 500 watts x 1 channel @ 4 ohm
• 850 watts x 1 channel @ 2 ohm
• 1200 watts x 1 channel @ 1 ohm
• Total RMS Power: 1200 watts
• Class D 1 ohm Stable Monoblock Amplifier

(13)

$169.99

List price $239.99

ATOM 1300.1 PRO small

Deaf Bonce Apocalypse ATOM 1300.1 PRO

• 490 watts x 1 channel @ 4 ohm
• 780 watts x 1 channel @ 2 ohm
• 1300 watts x 1 channel @ 1 ohm
• Total RMS Power: 1300 watts
• Class D 1 ohm Stable Monoblock Amplifier

$199.90

List price $199.90

VAD17001v2 small

NVX VAD17001 v2 (VAD17001v2)

• 800 watts x 1 channel @ 4 ohm
• 1350 watts x 1 channel @ 2 ohm
• 1700 watts x 1 channel @ 1 ohm
• Total RMS Power: 1700 watts
• Class D 1 ohm Stable Monoblock Amplifier

(35)

$259.99

List price $335.99

JD1000/1 small

JL Audio JD1000/1

• 600 watts x 1 channel @ 4 ohm
• 1000 watts x 1 channel @ 2 ohm
• Total RMS Power: 1000 watts
• Class D 2 ohm Stable Monoblock Amplifier

(22)

$429.99

List price $429.99

CXA1200.1 small

Kicker CXA1200.1 (46CXA12001T)

• 600 watts x 1 channel @ 4 ohm
• 1200 watts x 1 channel @ 2 ohm
• 1200 watts x 1 channel @ 1 ohm
• Total RMS Power: 1200 watts
• Class D 1 ohm Stable Monoblock Amplifier

(18)

$399.99

List price $429.99

VADM1 small

NVX VADM1 v2 (VADM1v2)

• 240 watts x 1 channel @ 4 ohm
• 400 watts x 1 channel @ 2 ohm
• 600 watts x 1 channel @ 1 ohm
• Total RMS Power: 600 watts
• Class D 1 ohm Stable Monoblock Amplifier

(16)

$189.99

List price $239.99

VAD10001v2 small

NVX VAD10001 v2 (VAD10001v2)

• 420 watts x 1 channel @ 4 ohm
• 760 watts x 1 channel @ 2 ohm
• 1000 watts x 1 channel @ 1 ohm
• Total RMS Power: 1000 watts
• Class D 1 ohm Stable Monoblock Amplifier

(37)

$209.99

List price $227.99

R2-1200X1 small

Rockford Fosgate Prime R2 R2-1200X1

• 400 watts x 1 channel @ 4 ohm
• 800 watts x 1 channel @ 2 ohm
• Total RMS Power: 1200 watts
• Class D 1 ohm Stable Monoblock Amplifier

(23)

$399.99

List price $449.99

JD500/1 small

JL Audio JD500/1

• 250 watts x 1 channel @ 4 ohm
• 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable Monoblock Amplifier

(12)

$299.99

List price $299.99

Reference 10001A small

Infinity Reference 10001A (AMPRF10001AAM)

• 600 watts x 1 channel @ 4 ohm
• 1000 watts x 1 channel @ 2 ohm
• Total RMS Power: 1000 watts
• Class D 2 ohm Stable Monoblock Amplifier

$499.95

List price $569.95

Specifications & Details


Key Features
Amplifier Key Features
Bass Boost
Compact Design
Speaker Level Inputs
Power Specifications - Subwoofer Channel
RMS Power @ 4 ohms
500 watts x 1 channel
RMS Power @ 2 ohms
750 watts x 1 channel
Amplifier Specifications
Series
R-Series
Amplifier Class
D
Number of Channels
1 - Mono
Total RMS Power Output
750 watts
Maximum Input Gauge Size
4 AWG
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
Not Bridgeable
Frequency Response
10 - 400 Hz
THD at Rated RMS Power
1%
Speaker Level Inputs
Optional (Requires Accessory Adapter)
Preamp Outputs
1 pair
Built-in Crossover
Low-Pass (LP)
Subsonic
Low-Pass Crossover Frequency
50 - 400 Hz
Subsonic Filter
8 - 40 Hz
Signal-to-Noise Ratio
>102 dB
Bass Boost
0 - 12 dB
Remote bass/level controller
Optional (Accessory required and sold separately)
Fuse Rating
40A x 2 
Total Fuse Rating
80A
Strappable
No
Amp Bluetooth Connectivity
No
Hi-Res Certified
No
Low-Level Input Sensitivity
0.1 - 4.0 volts
High-Level Input Sensitivity
0.4 - 10 volts
What is in the box?
Paperwork
User manual
Warranty/Registration card
Quick start guide
Power certification
WITB: Amplifiers
Amplifier
Mounting screws (4)
Allen wrenches (2)
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

R2-A75M

Weight:

10.00lbs

Internal SKU:

r2a75m

Internal Product ID:

199892

Product and How-to Videos


  • AMP DYNO - Alpine R2-A75M 750W RMS R-Series Class-D Monoblock Amplifier
  • Alpine R-Series Amps: Born To Be Played Loud!

Customer Ratings & Reviews


Alpine R2-A75M thumbnail image

5 star
0%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
0
Value
0
Features
0
Design
0
Usability
0

Customer Reviews

Sort by:

Loading...
Sorry, no reviews found


RUX-KNOB small

Alpine RUX-KNOB

Remote Bass Level Control with 5m Connection Cable

(21)

$34.95

List price $40.00

XM-ZR704 small

Sony XM-ZR704-OPEN BOX

700W ZR Series 4-Channel Amplifier

$102.99

List price $229.95

Related Searches


Continue to cart

Available Offers (2) for Alpine R2-A75M
FREE NVX Amp Kit at Checkout!
Save 30% on an NVX XKIT42 Amp Kit with Purchase! Add a qualifying amplifier to your cart and save 30% on the NVX XKIT42 Amp Kit! No code needed — discount applies automatically at checkout.
Save up to 10 different vehicles in your garage
Vehicle
Store
Delete

2018 Lexus GS300

2011 Volkswagen Eos

2011 Honda Element

2002 Mitsubishi Eclipse

2000 Dodge Ram 2500

2012 Audi A4

2007 BMW X5

2016 Ford Transit Cargo

2014 Ford C-Max

2009 Lexus ES350

Add vehicle Clear all vehicles
Where to find vehicle info
Are you sure you want to clear your garage?
This action cannot be undone. Confirm
This page was not designed for products.
If you continue, you will be redirected to a category customized for your vehicle. Continue
Loading...
Identify your vehicle and submodel details
  • Owner's manual
  • Vehicle's insurance card
  • Vehicle registration
  • Vehicle produced after 2005: Inside driver's side door
  • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
Car Info Side Door Icon
Vehicle Registration Icon
Vehicle Insurance Icon

Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.