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Alpine MRV-F345

4-Channel Class A/B Amplifier

Alpine
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85 watts RMS x 4 at 2 ohms • BassEngine® with variable high-pass/low-pass crossovers and subsonic filter • Amp Link • preamp outputs

Learn more about the mrvf345

We apologize

This item has been discontinued

Product Highlights


85 watts RMS x 4 at 2 ohms • BassEngine® with variable high-pass/low-pass crossovers and subsonic filter • Amp Link • preamp outputs

Description


Alpine brand icon

Authorized dealer

  • 4-Channel Class A/B Amplifier
  • RMS Power Rating:
    • 75 watts x 4 chan. @ 4 ohms
    • 85 watts x 4 chan. @ 2 ohms
    • 300 watts x 1 chan. @ 4 ohms Bridged(channels 3/4)
    • 75 watts x 1 chan. @ 4 ohms Bridged(channels 1/2)
  • Amp Link allows single cable connection for signal and control with compatible Alpine receivers
  • 2-, 3-, or 4-channel output
  • Tri-way capable (Tri-Way Crossover required)
  • 8-gauge power and ground leads
  • Bass Engine® features:
  • Variable 30-400 Hz low-pass digital filter, 600-8000 Hz high-pass digital filter, 12 or 24 dB/octave
  • Rear channels have a subsonic filter at 15 Hz
  • MOSFET power supply
  • STAR Topology (minimizes internal noise and prevents ground interference)
  • Preamp-level inputs
  • Preamp outputs
  • Oversized power and ground connections
  • Gold-plated screw terminals
  • Top mounted controls with cover
  • Detachable front cover
  • Blue power LED
  • Dimensions: 13 L x W 8-11/16" x 2-5/16" H
  • 1-year SonicElectronix.com warranty

Specifications & Details


Power Specifications - Full Range Channels
RMS Power @ 4 ohms
75 watts x 4 channel
RMS Power @ 2 ohms
85 watts x 4 channel
RMS Power @ 1 ohm
Not Stable
Bridged RMS Power
75 watts x 1 chan. (channels 1/2), 300 watts x 1 chan. (channels 3/4)
Amplifier Specifications
Number of Channels
4-Channel
Total RMS Power Output
340 watts
Minimum Impedance Unbridged
2 ohms
Minimum Impedance Bridged
4 ohms
Preamp Outputs
1 pair
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
High-Pass Crossover Frequency
30 - 400 Hz
Low-Pass Crossover Frequency
30 - 400 Hz
Signal-to-Noise Ratio
93 dB
Fuse Rating
30A x 2 
Warranty and Return Policy

Item Details


Manufacturer:

Model Number:

MRV-F345

Weight:

15.00lbs

Internal SKU:

mrvf345

Internal Product ID:

3734

Product and How-to Videos


Customer Ratings & Reviews



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



Durability
5
Value
4.5
Features
5
Design
5
Usability
5

Customer Reviews

Sort by:

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Great Amp

I'm using this amp to power my mid and highs in my system. The RMS power is perfect for the speakers I'm using. Very simple and easy to use, plus a great price you can't go wrong.

By April on October 14, 2005

9

found this helpful.

Alpine is good

this amp is a younger brother of MRV_F545.
very good quality and design,easy use and installation.
one of the great amplifiers which suitable for component speaker up to 80 watt rated power.

By Amir Designer on May 12, 2014

6

found this helpful.

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