Refurbished (Excellent)-Alpine MRV-M500 Mono-block subwoofer amplifier — 500 watts RMS x 1 at 2 ohms

Refurbished (Excellent)-Alpine MRV-M500 Mono-block subwoofer amplifier : Tens of thousands have relied on V-Power amplifiers for dependable, quality power. Now in their fourth generation, V-Power amplifiers carry on this heritage and prove that playing strong never looked our sounded better. Yes, it is possible to improve upon a good thing.

Overview

Total Max Power: 1100 W

500W RMS x 1 (2Ω, 14.4V, ≤1% THD+N)

300W RMS x 1 (4Ω, 14.4V, ≤1% THD+N)

Same power in a 40% smaller chassis

Evolution to Class D digital platform

New snap-on terminal covers for easy installation FEATURES

Install

Terminal Layout: Two-Sided

Screw Mount / Wire Cover: Integrated Wire and Mounting Screw Terminals

General

Amplifier Type: Class-D (Digital)

Channel Design: 1 Channel (Mono)

Power Supply Design: DC-DC PWM Power Supply

Power Supply: MOSFET

Pre-Amp Stage: Discrete

Final Outputs: Power MOSFET

Crossover: Variable Lowpass Filter

Gain Control: Continuously Adjustable Gain Control

Bass EQ: Bass EQ Function

Bass Control: Remote Bass Control (RUX-KNOB) Ready

Remote Turn On: Remote Sensing Function (for Speaker Level Input)

Low-impedance Possibility:

Current Protection: Over-Current, Over-Voltage, Under-Voltage and Thermal Protection

Board Circuitry: S.T.A.R. Circuit

RCA Output: Non-Fading Pre-Amp Output (4 Volts)

Speaker-Level Inputs: 4-channel Speaker Level Inputs

Power Indicator: Top Mounted Blue LED Power Indicator

Thermal Control: Multi-stage Power Limits SPECIFICATIONS

Max Power Output Ratings

Total Max Power: 1100 W

RMS Power Ratings

Per channel into 4 Ohms: 300W RMS x 1 (14.4V at 10k ohms

Frequency Response (+0, -3dB: 1W into 4 Ohms) for Subwoofer: 7 -400 Hz

THD+N (10W into 4 Ohms): Ɔ.02 %

THD+N (10W into 2 Ohms): Ɔ.03 %

THD+N (Rated Power into 4 Ohms): Ɔ.2 %

THD+N (Rated Power into 2 Ohms): Ɔ.3 %

Damping Factor (10W into 4 Ohms at 100Hz): >750

Signal to Noise (1W into 4 Ohms): >85 dB

Signal to Noise (Rated Power into 4 Ohms): >105 dB

Preamp Output: 4.0V Max.

Remote Level: -20 to 0 dB

Weight: 1.8 kg