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Alpine MRV-F300

300W 4-Channel Class D V-Power Series Compact Car Amplifier

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List price $299.95

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$199.95

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Alpine MRV-F300

300W 4-Channel Class D V-Power Series Compact Car Amplifier

$199.95

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NVX XKIT84 4-Channel 8-Gauge Wiring Kit

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72515

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Alpine MRV-F300

$199.95

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NVX XKIT82

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NVX XKIT82

• 8 Gauge 2-Channel Complete Amplifier Installation Kit
• For Car Audio Systems Up To 600 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 2-channel RCA Interconnect Cable

(Offer 1 of 1)

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General Features:

  • V-Power Series 4-Channel Class D Car Amplifier
  • RMS Power Rating:
    • 4 ohms: 50 watts x 4 chan.
    • 2 ohms: 75 watts x 4 chan.
    • Bridged, 4 ohms: 150 watts x 2 chan.
  • Pulse Width Modulated MOSFET power supply
  • Wired remote bass level control included
  • LED power (green) and protect (red) indicators
  • Selectable Bass Boost (0 or +12 dB bass boost at 50 Hz)
  • Soft start turn-on
  • 4/3/2 or Mono channel operation
  • Speaker-level (high-level) inputs with signal sensing for automatic turn-on
  • Preamp RCA outputs to daisy chain multiple amps
  • 3-way protection circuitry (thermal, overload, and speaker short protection)
  • Heavy duty aluminum alloy heat-sink
  • Input sensitivity:
    • Low level: 200mV-4V
    • High level: 500mV-10V
  • Variable high-pass filter (50-400 Hz, 12 dB/octave)
  • Variable low-pass filter (50-400 Hz, 24 dB/octave)
  • CEA-2006 compliant amplifier
  • 4 gauge power and ground wiring is required for installation. Contact us for information regarding a discount on select amplifier kits from our website when purchased together with this amplifier.
  • Dimensions: 7-7/8"W x 7-7/8"L x 2-3/16"H
  • 1-year Sonic Electronix Warranty

Product History:

Alpine MRV-F300 thumbnail
(newest, current model)
Alpine MRP-F300 thumbnail
(previous model, replaced by Alpine MRV-F300)
Alpine MRP-F250 thumbnail
(previous model, replaced by Alpine MRP-F300)

Power Specifications - Full Range Channels

RMS Power @ 4 ohms

The RMS power rating is the measure of continuous power that an amplifier can output, or a speaker can handle. It is the most accurate depiction of real, continuous power that the industry has so far.

If the final impedance of your speakers or subwoofers equals 4 ohms, this is how much power this amplifier will supply at that ohm level. The higher the RMS wattage, the more clean and loud your music will sound.

50 watts x 4 channels
RMS Power @ 2 ohms

The RMS power rating is the measure of continuous power that an amplifier can output, or a speaker can handle. It is the most accurate depiction of real, continuous power that the industry has so far.

If the final impedance of your speakers or subwoofers equals 2 ohms, this is how much power this amplifier will supply at that ohm level. The higher the RMS wattage, the more clean and loud your music will sound.

75 watts x 4 channels
Bridged RMS Power

Bridging refers to combining two channels on an amplifier to create one channel with double the voltage and an increased power output. A 2-channel amplifier will bridge down to 1-channel and a 4-channel amplifier can bridge to create 2-channels. An amplifier is most commonly bridged to drive a subwoofer.

Remember, once you bridge two channels down to one its final impedance will be 4 ohms unless otherwise specified. This rating lists the RMS power created once an amplifier is bridged.

150 watts x 2 channels

Amplifier Specifications

Amplifier Series
This designates the series of the amplifier. Many amps are available in a litany of different wattage and channel configurations, but maintain consistent features throughout the product line.
V-Power (Alpine)
Amplifier Class

An amplifier increases the power of the signal being fed to it by taking energy from its power supply and matching the signal but increasing its amplitude. Amplifiers use many different methods for converting these electrical signals and have been categorized into classes.

Class A/B: Greater than 50% of the input signal is amplified while the other percentage is “off”. These amplifiers have a small amount of current flowing through the output transistors all the time which almost eliminates crossover distortion. Class A/B has great sound quality but is not as efficient as class D. These amps are most commonly used to drive speakers.

Class D: Also known as switching amplifiers, class D amps have output transistors that are completely turned “on” or “off”. This means that when the transistors are on, there is almost no voltage across them but when they are off there is significant voltage but no current flowing through it which makes these amplifiers very efficient at the cost of sound quality. These amps are most commonly used to drive subwoofers.

Other Classes: You may see classes such as GH, bD, X, FD, etc. by some manufactures. These amplifiers tend to be either class A/B, D or a hybrid of the two but with improvements to their designs that can make them more efficient or offer better sound quality.

D
Number of Channels
Each channel on an amplifier will power one speaker using a positive and negative cable. There are various types of amplifiers, each designed to power a certain number of speakers. Monoblock amplifiers, also known as single channel, are designed to power one or more subwoofers. These amplifiers often have very high power ratings. On the other hand, multi-channel amplifiers power multiple speakers, usually at lower power ratings. 2-Channel and 4-Channel amplifiers can power car speakers or low powered subwoofers. Occasionally you might see a 5 or 6-channel amplifier that can power speakers and subwoofers at the same time. The most common setup is a monoblock amp to run subwoofers and a 4-channel amp to run door speakers. Check out our Knowledge Base for more information.
4
Total RMS Power Output
Total RMS power is measured by multiplying RMS power per channel by the number of channels, and is calculated at the lowest level of operating impedance.

RMS power is the amount of continuous power, measured in watts, that an amplifier produces is called RMS power. The higher the RMS figure, the louder and cleaner your music sounds.

The RMS output figure is much more accurate than the peak rating when comparing products.

300 watts
Maximum Input Gauge Size
This is the largest gauge wire that will fit into the power and ground terminals of this device. The lower the gauge number, the thicker the wire is. For example, a 4 gauge wire is thicker than an 8 gauge wire and thus has higher current carrying capacity. Always do your best to get this size wire to reduce the risk of damage to your components.
8 AWG
Minimum Impedance Unbridged
The lowest impedance the amplifier will handle when it is not bridged.
2 ohms
Minimum Impedance Bridged
The lowest impedance the amplifier will handle when it is bridged.
4 ohms
THD at Rated RMS Power
The amount of change in harmonic content of the signal as it is amplified. A lower figure indicates less change and a more accurate amp. THD below 0.10% is inaudible.
0.03%
Speaker Level Inputs
Speaker level inputs are commonly referred to as high-level inputs and vice versa. This input type allows you to get your audio signal directly from the speaker wire in your vehicle, instead of using RCA cables. The advantage of this is factory integration, as most stock radios do not have RCA outputs to run amplifiers.
Yes
Built-in Crossover

A crossover is a type of filtering system that permits only certain frequencies to play. A Low-Pass (LP) crossover allows only frequencies below its setting to get through which is good in the case of some subwoofers. A High-Pass(HP) filter allows frequencies above its setting to pass through, this is normally used on speakers.

When a crossover is set to FULL it means no filtering is added and the full frequency spectrum is allowed through the amplifier. Filtering is important because feeding a speaker frequencies it cannot reproduce effectively creates distortion.

Low-pass (LP)
High-pass (HP)
High-Pass Crossover Frequency
The high-pass crossover frequency can be a fixed crossover point or a variable crossover range. A variable high-pass crossover allows you to select a specific crossover point which allows frequencies above the set crossover point to pass, while making frequencies below the set point gently or harshly roll-off, depending on the steepness of the slope.

The steepness of the roll-off slope is measured in dB/octave and refers to the rate of attenuation (lowering of volume) outside their pass bands.

50 - 400 Hz
Low-Pass Crossover Frequency
The low-pass crossover frequency is typically used for subwoofers. It can be a fixed crossover point or a variable crossover range. A variable low-pass crossover allows you to select a specific crossover point which allows frequencies below the set crossover point to pass, while making frequencies above the set point gently or harshly roll-off, depending on the steepness of the slope.

The steepness of the roll-off slope is measured in dB/octave and refers to the rate of attenuation (lowering of volume) outside their pass bands.

50 - 400 Hz
Signal-to-Noise Ratio
This spec compares the strength of the signal to the level of background noise. A higher value indicates less background noise.
98 dB
Bass Boost
The objective of the bass boost is to get more kick out of your subwoofer. It is a circuit that emphasizes the lower frequencies at a given point. The bass boost should always be set first before setting the gain. This feature is known for destroying subwoofers and is commonly used incorrectly, so be cautious.
Selectable 0/+12 dB
Bass/Gain Remote
If the amp comes with a bass/gain remote you will be able to control the level of your bass from your dashboard. Typically bass remotes also include a 16-20 ft. wire for installation.
No
Fan Cooled
A great feature to have if an amp generates a large amount of heat. Cooling fans can help regulate the temperature to prevent the amp from overheating (burning).
No
Strappable
Some amplifiers can be "strapped" together in order to increase the output of a single audio channel. These amplifiers feature RCA preamp outputs, allowing you to pass the signal directly from one amp to the other to ensure consistency.
No
CEA-2006 Compliant
Amplifiers that have been tested to meet specific standards. When a car amplifier meets these standards, you can be sure that it will be able to produce the amount of power specified by the official CEA-2006 rating. Usually, these rating consist of the following items:
  • RMS Power
  • Signal-to-Noise Ratio

This rating applies to both external car amplifiers, as well as the amplifiers inside of in-dash stereos.

Yes

Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Sonic Electronix

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
75%
4 Star
25%
3 Star
0%
2 Star
0%
1 Star
0%

Average Attribution Rating

Durability
5.0
Value
5.0
Features
4.8
Design
5.0
Usability
4.8
Steven

Canada

Overall
Durability
Value
Features
Design
Usability
Great sound, great value

January 26, 2014

I was struggling with amp choice for my Mini Cooper sound system upgrade. So many choices and nearly impossible to know how they sound like without install that amp into YOUR car to drive the speakers YOU have. So this review is based on R56 Mini Cooper with JL Audio C2-600 components and C2-690CX.

Installation of Alpine MRV-F300 was a breeze due to its well designed interface and physical size. I mounted it vertically behind side panel onto a 1/4" MDF in truck area and still able to access to all the control on the side. Owner's manual was well designed and can be easily download onto iPad to use as reference. All connectors feels solid once cables are in.

Now come to the sound. I was blown away when I first turn it on. For $200 it was clean and surprisingly warmish with great detail. No significant flaw and nothing harsh on high/mid, vocal is balanced with good stage image (I have 'sit' right in the middle between front seats), bass on another hand having been coloured, which made Bass sound massive, cello sound like bass before I had to readjust the crossover/gain for both front and back. This could be the speakers too. Since I'm using speaker level input so I set front gain to just below 9'o clock position, rear 6x9s gets minim gain. Front channel on full range and rear has low pass with crossover set to 80hz. This allows me to get well balanced full range without overwhelming bass.

I'm very happy with my choice, only thing I wish better is bass for control and less colouring, but this maybe the deal with most car amps on the market. I'm an audiophile when it comes to home stereo, this entire upgrade to my Mini Cooper sound system (speakers, amp and sound deadening) is cheaper then an interconnect cable I use on the phono preamp, but I can now listen to it for hours and enjoy.

Test CDs:
1. Diabolus in Musica . Accardo interpreta Paganini
2. Burmester Reference CD III
3. Dynaudio Accentuations Guitar Impressions
4. The Famous Sound FIM
5. In Admiration Of Music, Dali CD Vol. 1
6. Lakatos - Roby Lakatos and His Ensemble
7. Earfood, Roy Hargrove Quintet
8. Audio Reference III - The Super Extended Resolution Sound Of TBM

19 of 32 found this helpful

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Z

saint paul, MN

Verified Purchase
Overall
Durability
Value
Features
Design
Usability
Great product

April 28, 2015

I have this amp running alpine type s speakers off of an alpine HU and wow, iv never heard something so clean. I tuned this amp using the smd cc1 and dd1. This really makes a difference from my old rockford prime amp. Also i have fans running to cool my amps and with the rockford, it would distort the speakers when the fans were on, now the alpine supposedly fixed that problem.

10 of 19 found this helpful

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Steven

Germantown, WI

Overall
Durability
Value
Features
Design
Usability
stellar

January 10, 2015

This amp is awesome. Small, elegant, clear, and loud. This thing cranks the Infinity Kappas in my Sequoia. I love it

14 of 33 found this helpful

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Miguel

Fresno, CA

Overall
Durability
Value
Features
Design
Usability
Nice quality!

May 16, 2014

This product made my infinity kappas come to life sound quality is impresive, i'm running 4 infinity kappas in my civic 2012 @ 2oms each volume became much better and i have the gain turn dowm.

14 of 33 found this helpful

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Accessory Tools and Products

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16 Gauge 7 Meter (23 Ft) Speaker Wire (CCA)

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SMD DD-1 Distortion Detector

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Handheld boomSTICK measures your SPL range from 60 to 135 dB

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Browse 3 questions and 9 answers
Hide answersShow all answers | Sort by
Why did you choose this?
Sonic Electronix Store
My 12 year old PPI amp finally died. Alpine is always highly rated, so I thought I would give it a go
Keith C on Sep 17, 2014
I want to get this Alpine MRV-F300 amp and ONE 10" sub but not sure how to match them up. Any recommendations on a sub for this amp?
A shopper on Jul 31, 2015
Best Answer: Hello,

The Alpine MRV-F300 is not intended to run a subwoofer, although it can , we don't suggest it. We aren't sure why you want the F300 , but it would be best to give our sales team a call to get a better feel of what fits your needs.
Reply · Report · Rick MStaff on Jul 31, 2015
· Add Answer · I Have This Question Too (0)
If I bridge the two rear channels to run a single 4-ohm subwoofer, can the two front channels still run a pair of 2.7-ohm component speakers reliably? Thanks!
Dave J on Mar 5, 2015
Alpine MRV-F300
Alpine MRV-F300
Polk Audio MM6501
Polk Audio MM6501
Best Answer: It would work just fine. The lower impedance of those speakers up front will eg more juice than normal 4 ohm speakers would. The sub would only get about 150rms so match it up accordingly if you're buying that as well.
Reply · Report · erik m on Mar 5, 2015
· Add Answer · I Have This Question Too (0)

Product Summary

Manufacturer

Model Number

MRV-F300

UPC

793276012418

Weight

4.60lbs

Internal SKU

mrvf300

Internal Product ID

72515

Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Alpine MRV-F300