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MB Quart OA500.1

500W Max Class Q1 1-Channel Monoblock Onyx Series Amplifier

MB Quart
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• Peak: 250W x 1 @ 4 ohm, 500W x 1 @ 2 ohm
• Total Peak Power: 500W
• 1 Pair of Preamp RCA Outputs
• Variable Bass Boost: 0 to +12 dB
• Class Q1 Circuitry
• Dimensions: 9-7/16"W x 11-13/16"D x 2-1/4"H

Learn more about the oa5001

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This item has been discontinued

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Product Highlights


• Peak: 250W x 1 @ 4 ohm, 500W x 1 @ 2 ohm
• Total Peak Power: 500W
• 1 Pair of Preamp RCA Outputs
• Variable Bass Boost: 0 to +12 dB
• Class Q1 Circuitry
• Dimensions: 9-7/16"W x 11-13/16"D x 2-1/4"H

Description


MB Quart brand icon

Authorized dealer



General Features:

  • Onyx Series 1-Channel Monoblock Class Q1 Car Amplifier
  • Max Power Rating:
    • 4 ohm: 250 watts x 1 chan.
    • 2 ohm: 500 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 low-pass filter (40-300 Hz)
  • Variable sub-sonic 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 11-13/16"D x 2-1/4"H
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

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Specifications & Details


Amplifier Specifications
Series
ONYX Series
Number of Channels
1 - Mono
Total Peak Power Output
500 watts
Maximum Input Gauge Size
4 AWG
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
Not Bridgeable
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
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:

OA500.1

Weight:

8.50lbs

Internal SKU:

oa5001

Internal Product ID:

67857

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 OA500.1 thumbnail image

5 star
89%
4 star
11%
3 star
0%
2 star
0%
1 star
0%



Durability
4.5
Value
5
Features
5
Design
4.8
Usability
4.9

Customer Reviews

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Great product for the price

I was looking for a good amp without blowing the budget. I paired this with a Kicker CompRT in my F-150 and it works fantastic.

By Jim on April 19, 2014

12 found this helpful


Good Amp, Great Price!

I am always impressed with MB Quart Amps. I own 4 of them now and 2 of them are this amp. They get a bit hot but definitely do the job.

By Qwik86z on June 11, 2014

10 found this helpful


Total Steal!

I purchased this amp after getting two different cerwin vega amps that were junk. Overall extremely happy with this product and the price I got ($100). That's why I think it's a total steal- previously I had a 250 watt Memphis pushin two skar 8s and now that I hooked this MB I have double the bass and it hits clean and hard notes. Everyone compliments the crispness of the bass and it is just loud pushin those 8s now. Definitely recommend! Easy to hook up and lights up cool. My only concern is it does get warm the few times I've checked it so I'm gonna keep an eye on that. Just a heads up. Totally willing to buy more MB Quart products.

By Katie on April 24, 2014

10 found this helpful


GREAT VALUE!!

For the price you can't beat it,have this on a dual 4ohm sub wire to 2 ohms and doesn't even get warm.

By Pedro on October 2, 2013

6 found this helpful


Wow

one of the best amplifiers I've ever bought. I would definitely recommend this to anyone who wants to add bass to their system. You definitely cannot go wrong with this amplifier.

By christopher on December 21, 2013

4 found this helpful


Nice Amp

I am running this amp to a single 10" Kenwood sub in a ported box, and it pushes it great. Amazing amp for the money!

By Travis on November 23, 2013

4 found this helpful


preformace

I have this amp hooked up too a Polk MM-15 in a air tight sealed box in a reg cab pick-up so it's pushing the sub with over 120rms over the rated 380rms of the sub and when the sub is broken in more I would think it would handle a whole lot more from this amp. Further more I have bass at all levels of listening wither it's at low vol or when I just want to crank it up to hear it hit damn hard. The only thing that I can say is it's down side is it's foot print but hell small cab.

By Larry on April 26, 2013

5 found this helpful


Excellent amp to put under the passenger seat!!

I used this amp paired with a JBL GTO804 8"sub in a custom enclosure and also for a 10" w3 in a stealthbox it works great with no issues for either one. The bass knob is perfect to change bass for different songs on the fly.

By Philip on September 17, 2013

3 found this helpful


By Jeff on September 9, 2024 Checkmark Icon Verified purchase




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