Name: Alpine MRV-M500 (Like New (Open Box))
Brand: Alpine
SKU: ls-mrvm500-u9
Price: 168.29 USD
Availability: Discontinued
Rating: 5.0000 (1 reviews)

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Product videos

Product highlights

• 300 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

Learn more about the ls-mrvm500-u9

Product Highlights

• 300 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

Description

Authorized dealer

Item Condition - Like New (Open Box):

This product works and looks like new. It may have been opened for a visual demo or product video. In some cases there may be signs of an attempt at installation like opened packaging or mounting screw holes used, but there is no real sign of use or wear. Includes all original parts, packaging and accessories (or suitable replacement)

Alpine S2-A120M Mono Amplifier | Features & Specs

About the Alpine S2-A120M

High-Powered Class D Amplification

The Alpine S2-A120M is built for extreme bass performance, delivering high-powered output with Class D efficiency. Whether you're looking to push a single high-performance subwoofer or drive a dual-sub setup, this amplifier provides clean, powerful sound while running cool and efficiently.

Massive Power Output

Peak Power: Up to 1200W RMS at 1Ω
Stable at 1Ω to maximize subwoofer output and efficiency
Dedicated low-pass filter (50Hz-400Hz) for subwoofer optimization

Compact Yet Powerful Design

The small footprint of the S2-A120M allows for versatile installation, making it easy to fit under seats, in trunks, or alongside other components in a custom system. With a high-efficiency heat management system, this amp stays cool even during long bass-heavy sessions.

Advanced Audio Controls

Bass Boost EQ: Adjustable from 0 to +12dB at 50Hz for deep, punchy bass
Input Sensitivity: Variable range from 0.2V to 10V for flexible system matching
Subsonic Filter: Prevents unnecessary low frequencies from overworking your subs
Adjustable Crossover: Selectable 50Hz to 400Hz for precise tuning

Seamless System Compatibility

The Alpine S2-A120M is designed for easy integration, featuring high and low-level inputs to support factory and aftermarket stereos. Whether you're upgrading an OEM system or building a custom audio setup, this amp makes installation hassle-free.

Keep Reading...

Product Details:

V Power Series Class D 2 ohm Stable Monoblock Amplifier
RMS Power Rating:

4 ohm: 300 watts x 1 channel
2 ohm: 500 watts x 1 channel

Total RMS power output: 500 watts
Over current, over voltage, under voltage, and thermal protection
Wired bass level remote control with optional Alpine RUX-KNOB
Speaker-level (high-level) inputs
2 pairs of pre-amp outputs
Signal sensing remote turn-on
MOSFET power supply and final output
Discrete amplifier stage
Continuously Adjustable Gain Control
S.T.A.R. Circuit board circuitry
Top mounted blue LED power indicator
Multi-stage power limits thermal control
Two-sided terminal layout function
Integrated wire and mounting screw terminals
Input sensitivity:

Low level: 0.15 - 4.0 volts
High level: 0.4 - 10 volts

Frequency Response: 7 - 400 Hz
Total Harmonic Distortion (THD): 1%
Signal to Noise Ratio: 85 dB
Variable low-pass filter: 50 - 400 Hz
Variable Bass Boost: 0 - 12 dB
Fuse Rating: 60
4 AWG gauge amplifier wiring kit is recommended for installation.
Dimensions: 7-7/8" L x 7-7/8" W x 2-3/16" H
Authorized Internet Dealer
1-year Manufacturer's Warranty
MFR #: MRV-M500

Product history:

	Alpine MRV-M500 (Like New (Open Box)) (newest, current model)
	Alpine MRP-M500 (previous model, replaced by Alpine MRV-M500 (Like New (Open Box)))
	Alpine MRP-M650 (previous model, replaced by Alpine MRP-M500)

Specifications & Details

Key Features

Amplifier Key Features

Bass Boost
Compact Design
Speaker Level Inputs

Power Specifications - Subwoofer Channel

RMS Power @ 4 ohms

300 watts x 1 channel

RMS Power @ 2 ohms

500 watts x 1 channel

Amplifier Specifications

Series

V Power Series

Amplifier Class

Number of Channels

1 - Mono

Total Peak Power Output

1100 watts

Total RMS Power Output

500 watts

Maximum Input Gauge Size

4 AWG

Minimum Impedance Unbridged

2 ohm

Minimum Impedance Bridged

Not Bridgeable

Frequency Response

7 - 400 Hz

THD at Rated RMS Power

Speaker Level Inputs

Yes

Preamp Outputs

2 pairs

Built-in Crossover

Low-Pass (LP)

Low-Pass Crossover Frequency

50 - 400 Hz

Signal-to-Noise Ratio

85 dB

Bass Boost

0 - 12 dB

Remote bass/level controller

Optional (Accessory required and sold separately)

Alpine RUX-KNOB

Fuse Rating

30A x 2

Total Fuse Rating

Strappable

Amp Bluetooth Connectivity

Hi-Res Certified

Low-Level Input Sensitivity

0.15 - 4.0 volts

High-Level Input Sensitivity

0.4 - 10 volts

What is in the box?

Paperwork

User manual

WITB: Amplifiers

Amplifier
Mounting screws (4)
One spare fuse
High-level input wiring harness w/ molex connector

Warranty and Return Policy

Parts Warranty Duration

1 year

Labor Warranty Duration

1 year

Warranty Provider

Manufacturer

Customer Ratings & Reviews

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Overall rating distribution

5 star		100%
4 star		0%
3 star		0%
2 star		0%
1 star		0%

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By feature average rating

Durability		5
Value		5
Features		4
Design		5
Usability		5

Customer Reviews

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Most reliable amp I’ve ever owned

This amp came with me in 3 different cars. It always just worked. No frills, no extras, just clean bass. I used it to power a JL audio micro sub box and it was perfect. I sold it when I got a truck that didn’t have room for 2 subs, but now I’m back in an SUV and I’m here buying the same amp again. Best of the best.

By austin on January 24, 2026

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