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6.1 out of 10 based on 29 reviews

Alpine MRP-M450

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Alpine MRP-M450

The Alpine MRP-M450 is a 1 channel mono amplifier with RMS Power Ratings (Per channel) of 220W x 1 into 4 Ohms (@ 14.4V ≤1%THD+N, 20Hz - 200Hz) and 400W x 1 into 2 Ohms: (@ 14.4V ≤1%THD+N, 20Hz - 200Hz). The sound tuning crossover for this unit is 50Hz-200Hz, -24dB/oct. (Low-Pass). The unit has bass EQ (Fixed Frequency) equalizer at 50Hz 0 to +20dB with a Subsonic Filter at 15Hz (Fixed), -24dB/oct. The unit's heat sink measures 198.6 x 60 x 241 mm. This unit requires a power supply o…

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Alpine MRP-M450

The Alpine MRP-M450 is a 1 channel mono amplifier with RMS Power Ratings (Per channel) of 220W x 1 into 4 Ohms (@ 14.4V ≤1%THD+N, 20Hz - 200Hz) and 400W x 1 into 2 Ohms: (@ 14.4V ≤1%THD+N, 20Hz - 200Hz). The sound tuning crossover for this unit is 50Hz-200Hz, -24dB/oct. (Low-Pass). The unit has bass EQ (Fixed Frequency) equalizer at 50Hz 0 to +20dB with a Subsonic Filter at 15Hz (Fixed), -24dB/oct. The unit's heat sink measures 198.6 x 60 x 241 mm. This unit requires a power supply of 14.4V DC (11V to 16V) with an input sensitivity of 0.2 - 4.0V. Its frequency response is 20 Hz - 200Hz (+3/-3dB) and it has a Signal to Noise value of 90dBA.

Features

The Alpine MRP-M450 is a Class D mono 1 channel power amplifier with two-sided a terminal layout. It features integrated wire and mounting screw terminals, Thermal Management Control and a DC-DC PWM Power Supply with MOSFET Power design. It has a STAR Circuitry with Over-Current, Over-Voltage and Thermal Protection. The unit also features top mounted blue LED power indicator and gold plated RCA input connectors. Other features are non-fading pre-amp output, adjustable low pass crossover, gold plated input, output, power and speaker terminals and continuously adjustable gain control.

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Questions asked: 3 Answers: 1

Previous questions about this product

  • Is 5.0v pre-outs too much too much?

    The MRP-M450 has an input sensitivity of 0.2 - 4.0v but my head unit has 5.0v pre-outs. Is this going to cause problems?

    Answered by nilufer 2009-05-01:

    yes, since it has different volt.

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