9/13/2011

Alpine MRP-M500 - Amplifier - 1-channel Review

Alpine MRP-M500 - Amplifier - 1-channel
Average Reviews:

(More customer reviews)
Alpine's V Series is a nice series of mid-grade amplifiers. They aren't high end, but they price is isn't "high end" either. They are efficient and work well with vehicles that don't exactly have a lot of extra amps available for powering amplifiers. I run an MRP-M500 and an MRP-F300 in my Honda Fit and they both supply me with good, clean power without taxing my car's electrical system.
In my system, the M500 is powering a 12" subwoofer in a small, sealed box. That's not exactly a formula for maximum bass impact, but the M500 does a great job pushing my subwoofer to its fullest potential. The Class-D circuitry makes the amp very efficient so that it will work well in most vehicles electrical systems.
The only downside I've found is that the EQ functions are rather limited. You get controls for center frequency, crossover point, and bass boost. It makes it a little more difficult to get a smooth sound between this amp and your four-channel amp. It just takes longer than if there were more EQ controls. Also, the bass boost puts a definite peak in its frequency output so that the amplitude drops off above and below the center frequency. That means that if you want to get the maximum power output, your range is going to be somewhat limited.
Overall, I'm very happy with the M500. As long as you're not looking to power a massive, inefficient subwoofer, it should give you a very smooth, musical sound.

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Amplifier Type: Class-D (Digital)
Channel Design: 1 Channel (Mono)
Thermal Control: Thermal Management Control
Power Supply: DC-DC PWM Power Supply
Power Supply Design: MOSFET Power
Board Circuitry: STAR Circuitry
Current Protection: Over-Current, Over-Voltage and Thermal Protection
Power Indicator: Top Mounted Blue LED Power Indicator
RCA Output: Gold Plated RCA Input Connectors
Speaker-Level Inputs: Speaker Level Inputs
Crossover: Adjustable Low-Pass
Connector Plating: Gold Plated Input, Output, Power and Speaker Terminals
Board Design: Dual Sided Glass Epoxy PC Board
Gain Control: Continuously Adjustable Gain Control

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