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MB Quart OA240.2-OPEN BOX

240W Max 2-Channel Onyx Series Stereo/Bridgeable Power Amplifier

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

Learn more about the LS-oa2402-OB

We apologize

This item has been discontinued

Product Highlights


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

Description


MB Quart brand icon

Authorized dealer

Item Condition - Open Box, Great:

This product works like new, is well-cared-for and in great condition. May show limited signs of wear or use and may be missing non-essential parts, accessories or original packaging.

Onyx Amplifiers

MB Quart Onyx Q-Stasis

Q-Stasis Pre-Amp Stage

MB Quart has always been an amplifier brand that's been attributed with quality audio. Onyx amplifiers, although priced for a more competitive market, still retain this quality. Onyx amps are an exceptional first step in putting together your car audio system. They're high powered amplifiers that use quality components to ensure that they sound great.

The 2013 Onyx amplifiers use a Q-Statis pre-amplifier stage. This addition is designed to keep incoming noise from source units at nearly immeasurable levels, improving sound quality. MB Quart also incorporates more new technology on the amplifiers with their new Fluid-Fets output devices. These are able to efficiently produce power and mimic the sound quality of high end home amplifiers.



MB Quart Onyx MOSFETS

On-Board Equalization

The multi-channel amplifiers are equipped with Class SQ topology. This circuitry, when matched alongside the Q-Stasis preamp stage is capable of outperforming standard Class A/B amplifiers in sonic accuracy and clarity.

MB Quart multi-channel amplifiers are an exceptional choice when building out your next car audio system. These amps sound great, perform just as well, and even look extremely stylish. Their black finish and illuminating logo help them look awesome when running in your vehicle. Pick yours up today!

 

General Features:

  • Onyx Series 2-Channel Class SQ Car Amplifier
  • Max Power Rating:
    • 4 ohm: 60 watts x 2 chan.
    • 2 ohm: 120 watts x 2 chan.
    • Bridged, 4 ohm: 240 watts x 1 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
  • 2/1 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 (10-1,200 Hz 24 dB/octave)
  • Variable low-pass filter (30-150 Hz 24 dB/octave)
  • Frequency response: 10-45,000 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: 9-7/16"W x 6-5/16"D x 2-1/4"H
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Specifications & Details


Amplifier Specifications
Series
ONYX Series
Amplifier Class
SQ
Number of Channels
2-Channel
Total Peak Power Output
240 watts
Maximum Input Gauge Size
8 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
10 - 1200 Hz
Signal-to-Noise Ratio
92 dB
Channel Separation
80 dB
Bass Boost
0 - 12 dB
Remote bass/level controller
No
Fuse Rating
20A 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:

OA240.2-2

Weight:

5.00lbs

Internal SKU:

LS-oa2402-OB

Internal Product ID:

81290

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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.