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This amplifier requires a compatible Alpine head unit and an optical cable.

Now Alpine makes it easier to experience multi-channel DVD sound in your vehicle. The MRA-F350 Digital Theater 5-channel amplifier, controlled by a compatible Alpine in-dash stereo, delivers full multi-channel sound with stunning realism.

The amp's all-digital design delivers 50 watts to each of five channels, supplying the front, rear, and center-channel speakers in your system with plenty of clean power. A subwoofer preamp output routes the low frequencies to your subwoofer amplifier.

Hook up a digital source like a DVD player or a game system to the optical digital input, and the amp's internal processors convert the digital info into surround sound. Another bonus — built-in Dolby Pro-Logic II processing brings convincing multi-channel sound to your standard stereo CDs.

All the amplifier's functions are controlled right from the touchscreen of your compatible Alpine receiver — the amplifier has no built-in controls. Alpine's sophisticated Bass Engine processor allows you to adjust the output to best complement your system.

Alpine Authorized Online Dealer

Note: Sorry, Crutchfield cannot ship Alpine products to Guam or Puerto Rico.

    Product Highlights:

    • 5-channel Digital Theater amplifier
    • 50 watts RMS x 5 at 4 ohms
    • Dolby Digital, DTS, and Dolby Pro Logic II processing built-in
    • optical digital input (requires optical cable)
    • all amplifier functions controlled by touchscreen of your compatible Alpine receiver (no built-in controls)
    • connects to compatible Alpine navigation systems, including:
      • IVA-D100, IVA-D105, IVA-D106, IVA-D300, IVA-D310, IVA-D900, IVA-D901, IVA-W200, IVA-W205, IVA-W505, DVA-9860, DVA-9861 and DVA-9965.
    • MOSFET power supply
    • CEA-2006 compliant
    • Bass Engine® features:
      • variable center-channel high-pass crossover (20-400 Hz in 1/3 octave steps, 6/12/18/24 dB per octave)
      • variable front left and right high-pass crossovers (20-200 Hz in 1/3 octave steps, 6/12/18/24 dB per octave)
      • variable rear left and right high-pass crossovers (20-200 Hz in 1/3 octave steps, 6/12/18/24 dB per octave)
      • sub channel preamp output (20-200 Hz low-pass filter, 6, 12, 18, or 24 dB/octave)
      • variable subsonic filter (20-50 Hz in 1/6 octave steps, 6/12/18/24 dB per octave)
      • subwoofer phase control (0/180 degrees)
    • time correction adjustment (0-20 mSec in 0.1 mSec increments)
    • 17-band parametric EQ (five bands for front, rear, and center, two bands for sub channel)
    • STAR Topology (minimizes internal noise and prevents ground interference)
    • detachable front cover
    • blue power LED
    • fuse rating: 20A x 2
    • 8-gauge power and ground leads recommended — wiring and hardware not included with amplifier
    • 13-3/4"W x 2-1/4"H x 9-9/16"D
    • warranty: 1 year
    • Our 60-day money-back guarantee

    My system has plenty of power. Who needs an amp?

    You might think you don't need an amp because you have a 400-watt system in your car, or because your new stereo puts out 50 watts a channel. But those are peak wattage ratings, which may boil down to 15 or 20 watts per channel, using the more realistic RMS rating. An amp sends your speakers the power they need to deliver your music with clarity and impact, whether you're using factory speakers or high-performance components. And low-frequency reproduction requires lots of power, so an amp is an absolute must if you're adding a sub to your system.

    Alpine MRA-F350 Reviews

    Average Customer Review:

    8 Reviews

    Alpine MRA-F350

    Written by: Jeremie from Reno NV on May 30, 2009

    Crutchfield Customer Review (What's this?)

    I got this amp for my alpine iva w203, and the monster optical cable that is reccomened for, and the local installers said it does not fit, but i called customer service and they said it deffinitly fits, so far i am very dissapointed, i would not buy this again!! a waste of time, just get a nice four channel amp and you will be satisfied...



    Great AMP!!!

    Written by: Joe from Daytona Beah FL on April 11, 2009

    Crutchfield Customer Review (What's this?)

    I added this to my ALPINE IVA-D100.First I would like to say when I first got this amp I was not very happy but when I started to read the directions to find out how the set up everything it made me realize I got a great amp for a steal. The first problem I had was the volume it sounded like it had no power at all but after going through all the option on my touch screen and changing things it starting sounding great and I can tell you this till this day I am learning great new things with this amp. The one big thing I can tell you is read on the different things this amp can do and how they work because thats when you are going to see the difference what this amp can do than any other amp. Remember dont give up on it.



    amplifier and digital sound processor in one,great deal

    Written by: Ed from New Jersey on August 7, 2008

    Crutchfield Customer Review (What's this?)

    I bought this with an IVA-W205 head unit. What a great idea having the
    digital processor built into the amp! Instead of several pairs of RCA cables
    from the headunit to the amp all I had to run was the AI-NET and optical
    cables. No remote-on needed either,although I did have to run one from
    the headunit to the subwoofer amplifier.

    If you're not running a center channel,make sure you set it to OFF when
    doing the speaker settings. I was watching Transformers on DVD and
    almost all the voices were missing,I noticed the center channel setting was
    ON and upon changing it the voices were back.

    Alpine doesn't list it in their specs,but I think the subwoofer preamp output
    voltage is probably 2 volts because I had to set the subwoofer amplifier's
    (Blaupunk PA series I bought from Crutchfield many years ago) gain quite
    high. I would've given this amp a 5 rating if it weren't for this. They also
    should have added a remote-on connection at the amp itself to trigger the
    subwoofer amp(s).

    This is a great price for this amplifier,plus additional $ off if you buy
    an Alpine DVD receiever is a steal! If you're purchasing one of the recievers
    listed you definitely should spend the extra $ and get this amplifer if
    you want true Dolby Digital/DTS/ProLogic II. Without this amp or an Alpine
    processor you'll only have a 2-channel downmixed version coming from the
    headunit's RCA outputs.



    Alpine MRA-F350 Owner

    Written by: DJ from Eugene, OREGON on June 9, 2008

    Crutchfield Customer Review (What's this?)

    This amp is
    fantastic, stellar
    surround sound and
    loud clear output
    thanks to the
    digital signal path.
    Hook it up to a
    1-DIN Alpine center
    channel speaker and
    you will be amazed.
    It makes a slight
    clicking sound when
    switching functions
    in the menu on my
    head unit. The noise
    isn't loud enough to
    damage the speakers
    and is simply a
    minor annoyance.
    This is a very small
    issue and you can
    easily get around
    hearing any "pops"
    from the speakers by
    simply lowering the
    volume and then
    turning it up after
    you select the
    Chapter you wish to
    view, or DVD-Audio
    track you wish to
    hear etc. I never
    hear any clicks or
    pops when navigating
    my I-pod or playing
    CD's etc. I love
    this amp it is the
    corner stone of my
    system and a great
    match with a double
    DIN Alpine receiver
    and well powered
    sub. I matched this
    with a mono block
    Alpine amp that
    pushes 500 watts at
    4ohms to a single
    10" Sub (JL Audio
    Stealth box). This
    amp is an amazing
    deal and its
    performance will
    leave you grinning
    from ear to ear.



    Alpine MRA-F350

    Written by: Matt from Sanford, MI on May 1, 2008

    Crutchfield Customer Review (What's this?)

    Overall good amp, got it when I bought my head unit. only two gripes, slightly underpowered for speakers with a low sensitivity rating, also it disables the rca out's on the back of the head unit (volume control wise) so you can't use any more amps for mids.



    Clean, powerful sound

    Written by: Christopher from North Port, FL on March 8, 2008

    Crutchfield Customer Review (What's this?)

    This is a fantastic
    amp and a good deal.
    The installation of
    this amp may be a
    bit overwhelming for
    a DIY, inexperienced
    installer. As the
    other review for
    this product pointed
    out, finding an
    optical cable both
    long enough to run
    from the deck to
    them amp that also
    has small enough
    connecters to fit
    the awkward Toslink
    connector on the
    head unit may prove
    challenging. Also
    keep in mind that
    fiber optic cable is
    more easily damaged
    than traditional
    copper cables, and
    special care needs
    to be taken routing
    it. Optic cable is
    pretty expensive, so
    keep these things in

    As Crutchfield
    warns, this unit
    requires special
    Alpine decks (not
    just any Ai-Net deck
    will do). Also keep
    in mind that the
    optical cable input
    is REQUIRED, and
    that Ai-Net will NOT
    send an audio signal
    to the amp (even
    though it does for
    most other Alpine

    If you can get over
    these difficulties,
    you will be
    presently surprised.
    The fiber optic
    cable creates a
    crystal-clear input
    even at max volume
    levels. The clean,
    powerful output
    makes the speakers
    really shine, though
    the choosiest audio
    enthusiasts may want
    a bit more power.

    The real highlight
    of this product,
    though, isn't really
    the amplifier; it's
    the sound processor.
    Obtaining highly
    detailed, fine-tuned
    control of the
    soundscape via your
    Alpine head unit can
    create a new
    appreciation for
    your music and
    movies. Any serious
    car audio enthusiast
    should consider this
    product, even for
    4-channel setups
    like my own (since
    the center channel
    can be turned off).



    Spectacular Deal

    Written by: nanthony2 from Upstate NY on August 27, 2007

    Crutchfield Customer Review (What's this?)

    I bought this amplifier as part of the AV head unit deal Crutchfield is running, and have it paired up with my Alpine IVA-W205. I have to start by saying that it was an amazing deal.

    When you buy this amp and pair it up with a compatible alpine deck, you're really buying 2 pieces of equipment at the same time. You get the digital amplifier, which is capable of decoding dolby surround, and on top of that you get a pretty sick audio processor / eq as well.

    The built in audio processor / eq gave me a ton more control over my sound than what was built into my deck: tunable crossovers, time correction, multi-band EQ for front and rear, and the list goes on.

    A couple words of warning however. Be wary of the optical cable you buy - if you're going to spend a ton of money on a nice cable, make sure it has connectors with a slim profile. I bought a Monster brand cable and the connectors at the ends of it were so thick that they wouldn't plug into my deck or the amplifier. The deck (IVA-W205) has the optical port oriented so the cable lays flat against the back of the deck, and the amplifier's optical port is recessed a hair more than it should be.

    Also, at 50 watts RMS per channel this amplifier is slightly underpowered for higher end speakers. This said, I have it powering a set of components and a set of 6x9s and they still sound great.

    All of that said, I dont think you can beat this amp for the money.



    Alpine MRA-F350

    Written by: Jeremy from Houma, La on February 24, 2007

    Crutchfield Customer Review (What's this?)

    This amp rocks you have to really apprecate music to enjoy this amp. With DTS demo disks it really shows what you are missing with out suround sound.



    Hands-on research

    What's in the box?

    Download owner's manual

    • 5-channel amplifier with two 20-amp blade fuses installed
    • 19' AI-Net cable
    • 8" Guide control cable
    • 2 Speaker output terminal covers
    • 1 Power/ground terminal cover
    • 4 Self-tapping screws
    • Owners Manual (English/French/Spanish)
    • Customer Care Registration/Survey
    • Warranty sheet

    Product Research

    Inputs and Outputs


    Overview: The MRA-F350 is a five channel Car Theater (as opposed to Home Theater) amplifier designed to power your front (left and right), center, and rear (left and right) speakers, while a preamp output feeds your subwoofer amp. This amp requires a compatible Alpine head unit for set up and control. By itself, the amp offers no stand alone capability. Surround sound processors are built-in and also controlled by the head unit. The following head units include controls for this amp: IVA-D100, IVA-D105, IVA-D106, IVA-D310, IVA-D901, IVA-W200, IVA-W205, IVA-W505, DVA-9860, DVA-9861, and DVA-9965.

    Surround Processors: This amp has three surround sound processors built-in:

    • Dolby Digital: Plays Dolby Digital soundtracks in as many as six discrete channels (5.1)
    • DTS: Plays DTS soundtracks in as many as six discrete channels (5.1)
    • Dolby Pro Logic II: Simulates 5.1 channel playback from a stereo source (CD, FM Radio, etc)

    Crossovers: The MRA-F350 has four separate crossovers. All but the low-pass (subwoofer output) can be turned off for full range operation:

    • Front left and right (channels 1&2): variable high-pass from 20-200 Hz in 1/3 octave steps, selectable slope of 6, 12, 18, or 24 dB/octave
    • Rear left and right (channels 3&4): variable high-pass from 20-200 Hz in 1/3 octave steps, selectable slope of 6, 12, 18, or 24 dB/octave
    • Center (channel 5): variable high-pass from 20-400 Hz in 1/3 octave steps, selectable slope of 6, 12, 18, or 24 dB/octave
    • Subwoofer (pre-amp out): Variable low-pass from 20-200 Hz in 1/12 octave steps, selectable slope of 6, 12, 18, or 24 dB/octave

    Subsonic Filter: In addition to the low-pass crossover, the subwoofer output also has a subsonic filter. The frequency is variable from 20-50 Hz in 1/6 octave steps with a selectable slope of 6, 12, 18, or 24 dB/octave.

    Subwoofer Output: The subwoofer output is a line level signal (RCA) with a low-pass crossover and subsonic filter. The phase of the sub output can be reversed; 0° or 180°.

    Time Alignment: The built-in surround processors offer time alignment for all six channels (5.1) to compensate for the less than perfect speaker positioning typical in a car. The delay range runs from 0-20 milliseconds in 0.1 ms increments.

    Equalizer: The MRA-F350 has a parametric equalizer with a total of 17 bands; five for the front, five for the rear, five for the center, and two for the sub. The center frequencies are adjustable from 20-20 kHz in 1/6 octave steps. The width of the EQ band (Q) can be adjusted to 0.5, 1, 2, 3, 4, or 5. The adjustment level is +/-9 dB.

    Optical Input: The amp has an optical digital (standard Toslink) input for use with digital sources, such as a DVD player, game system, etc.

    STAR Topology: Alpine's unique STAR (Signal Transit for Accurate Response) Circuit PCB design provides a single common ground for all amp sub-blocks, preventing ground interference and minimizing internal noise.


    Head Unit: The MRA-F350 requires a compatible head unit for setup and control, it cannot be used without one. The current list of compatible head units includes (but is not limited to): IVA-D100, IVA-D105, IVA-D106, IVA-D310, IVA-D901, IVA-W200, IVA-W205, IVA-W505, DVA-9860, DVA-9861, and DVA-9965.

    Speakers: Although the original manual lists bridging instructions, per Alpine: The amp is not bridgeable, and it's designed to power 4 ohm speakers.

    Inputs and Outputs

    Left Side of Amplifier:

    • Speaker Outputs: terminal strip outputs for all five speakers; each terminal is 0.338" wide
    • Power and Ground: screw terminals for power and ground that will accept up to 8 gauge bare wire (8 gauge recommended); each terminal is 0.338" wide

    Right Side of Amplifier:

    • Guide Control: 2-pin jack for connecting an outboard controller
    • Digital Input: Toslink optical digital input for digital sources (DVD, Game system, etc)
    • Changer In: since the amp is connected to the head unit's AI-Net port, a changer is connected to the AI-Net changer input on the amp
    • AI-Net: analog signals are input through an AI-Net cable; the amp has no standard RCA inputs
    • Guide Input: single RCA input
    • Subwoofer: single RCA output

    Our Product Research Team

    At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.