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MB Quart OA750.1

750W Max Class Q1 1-Channel Monoblock Onyx Series Amplifier

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• Peak: 350W x 1 @ 4 ohm, 600W x 1 @ 2 ohm, 750W x 1 @ 1 ohm
• Total Peak Power: 750W
• 1 Pair of Preamp RCA Outputs
• Variable Bass Boost: 0 to +12 dB
• Class Q1 Circuitry
• Dimensions: 9-7/16"W x 15-3/4"D x 2-1/4"H

Learn more about the oa7501

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Product Highlights


• Peak: 350W x 1 @ 4 ohm, 600W x 1 @ 2 ohm, 750W x 1 @ 1 ohm
• Total Peak Power: 750W
• 1 Pair of Preamp RCA Outputs
• Variable Bass Boost: 0 to +12 dB
• Class Q1 Circuitry
• Dimensions: 9-7/16"W x 15-3/4"D x 2-1/4"H

Description


MB Quart brand icon

Authorized dealer

General Features:

  • Onyx Series 1-Channel Monoblock Class Q1 Car Amplifier
  • RMS Power Rating:
    • 4 ohm: 350 watts x 1 chan.
    • 2 ohm: 600 watts x 1 chan.
    • 1 ohm: 750 watts x 1 chan.
  • FLUID-FETS MOSFET Circuit maximizing power efficiency while improving sound quality
  • 1 Ohm stable
  • LED power (green) and protect (red) indicators
  • Variable BassEQ Boost (0 to +12 dB bass boost fixed at 45 Hz)
  • Built-in system diagnostics
  • Mono channel operation
  • Preamp RCA outputs to daisy chain multiple amps
  • 3-way protection circuitry (thermal, overload, and speaker short protection)
  • Heavy duty Black Onyx aluminum alloy heat-sink with illuminated MB Quart design
  • Input sensitivity:
    • Level: 200mV-6V
  • Variable high-pass filter (40-300 Hz)
  • Variable low-pass filter (10-40 Hz)
  • 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: 9-7/16"W x 15-3/4"D x 2-1/4"H
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

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Specifications & Details


Power Specifications - Full Range Channels
RMS Power @ 4 ohms
350 watts x 1 channel
RMS Power @ 2 ohms
600 watts x 1 channel
RMS Power @ 1 ohm
750 watts x 1 channel
Amplifier Specifications
Series
ONYX Series
Number of Channels
1 - Mono
Total Peak Power Output
750 watts
Maximum Input Gauge Size
4 AWG
Minimum Impedance Unbridged
1 ohm
Minimum Impedance Bridged
Not Bridgeable
THD at Rated RMS Power
0.05%
Speaker Level Inputs
No
Preamp Outputs
1 pair
Built-in Crossover
Low-Pass (LP)
Low-Pass Crossover Frequency
40 - 300 Hz
Subsonic Filter
10 - 40 Hz
Signal-to-Noise Ratio
92 dB
Bass Boost
0 - 12 dB
Remote bass/level controller
Yes
Fuse Rating
60A x 1 
Strappable
No
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

OA750.1

Weight:

11.50lbs

Internal SKU:

oa7501

Internal Product ID:

67858

Product and How-to Videos


  • MB Quart Onyx Amplifiers | New for 2013 OA Series
  • How To Install an Amplifier: Car Amplifier Basics Part 2

Customer Ratings & Reviews


MB Quart OA750.1 thumbnail image

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



Durability
5
Value
5
Features
4
Design
5
Usability
5

Customer Reviews

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Good amp for the price

I bought this to pair with a Apline SWS-10" in May last year and it hasn't disappointed me. There isn't a fan in it and I'm impressed that it hasn't overheated yet because I deliver pizzas and put everything in my trunk so it gets fairly hot & moist back there along with the hot and moist weather there already is here. I did have to crank the power up quite a bit to get a good amount of power to the sub but once you turn it up it does a good job.

Pros: It's easy to use, basic control knobs, sub volume remote, durability

Cons: None any real ones that I can think of. Has nice clean sound, just don't overload it with power. If you do it can get a little messy. Can't say if it's because of the sub or the amp, but bass junkies shouldn't be looking at this amp anyways

P.S. I actually bought an 800-watt version of this but I guess it got discontinued. I'm sure 50-watts wouldn't make too much of a difference.

By Spencer on February 18, 2014

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