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MB Quart Reference RA480.4

480W 4-Channel Reference Series Class SQ Bridgeable Power Amplifier (RA4804)

MB Quart
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• 60W x 4-Chan. @ 4 ohm
• 120W x 4-Chan. @ 2 ohm
• 240W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 8 Gauge Power and Ground Inputs
• FLUID-FETS Circuit for Smooth Sound Quality

Learn more about the ra4804

We apologize

This item has been discontinued


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Product Highlights


• 60W x 4-Chan. @ 4 ohm
• 120W x 4-Chan. @ 2 ohm
• 240W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 8 Gauge Power and Ground Inputs
• FLUID-FETS Circuit for Smooth Sound Quality

Description


MB Quart brand icon

Authorized dealer

General Features:

  • Reference Series 4-Channel Class SQ Car Amplifier
  • Max Power Rating:
    • 4 ohm: 60 watts x 4 chan.
    • 2 ohm: 120 watts x 4 chan.
    • Bridged, 4 ohm: 240 watts x 2 chan.
  • FLUID-FETS MOSFET Circuit maximizing power efficiency while improving sound quality
  • LED power (green) and protect (red) indicators
  • Variable Bass Boost (0 to +12 dB bass boost)
  • Built-in system diagnostics and top-mounted controls
  • 4/3/2/1 Channel operation
  • Preamp RCA outputs to daisy chain multiple amps
  • 3-way protection circuitry (thermal, overload, and speaker short protection)
  • Black reference aluminum alloy heat-sink with illuminated MB Quart design
  • Input sensitivity:
    • Level: 200mV-6V
  • Variable high-pass filter (60-13,000 Hz)
  • Variable low-pass filter (30-250 Hz)
  • Frequency response: 30-45,000 Hz
  • 8 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: 8-1/4"W x 13-15/16"D x 2-3/8"H
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

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Specifications & Details


Power Specifications - Full Range Channels
RMS Power @ 4 ohms
60 watts x 4 channel
RMS Power @ 2 ohms
120 watts x 4 channel
Bridged RMS Power
240 watts x 2 channel
Amplifier Specifications
Series
Reference Series
Amplifier Class
SQ
Number of Channels
4-Channel
Total Peak Power Output
480 watts
Total RMS Power Output
240 watts
Maximum Input Gauge Size
4 AWG
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
4 ohms
Preamp Outputs
1 pair
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
High-Pass Crossover Frequency
60 - 13000 Hz
Low-Pass Crossover Frequency
30 - 250 Hz
Signal-to-Noise Ratio
92 dB
Channel Separation
80 dB
Bass Boost
0 - 12 dB
Remote bass/level controller
No
Fuse Rating
25A x 2 
Strappable
No
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

RA480.4

Weight:

8.00lbs

Internal SKU:

ra4804

Internal Product ID:

67876

Product and How-to Videos


Customer Ratings & Reviews


MB Quart Reference RA480.4 thumbnail image

5 star
33%
4 star
67%
3 star
0%
2 star
0%
1 star
0%



Durability
4
Value
4.7
Features
4.4
Design
5
Usability
4.7

Customer Reviews

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Very Nice

The product is nice , the delivery is fast, but the cost for shipping is expensive

By Enrique on September 6, 2014

7 found this helpful


Great service

Very good service. First time ordering from here and could not be happier. Very fast shipping and got the order quicker than I thought I would.

By Joseph on February 28, 2015

5 found this helpful


Decent Amp For The Price

This is a sleek looking, minimalist looking amp. it will look good anywhere you put it. the plate for covering up the controls and the inputs makes this easy to get a clean looking install. I run this on my Pioneer TS-D680R2's and its a perfect match. brings everything alive. there is some slight doubt that it DOESN'T do rated but unless i clamp it, there's no way to find out. but for the price you can't go wrong. it does get hot, very quickly, just about 20 minutes playing at a higher volume, but so far hasn't gone in to protect. probably has something to do with the less than adequate heat sink. i would buy it again. Sonic Electronix stands behind everything they sell. so you can't really go wrong.

By Austin on August 21, 2013

4 found this helpful




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