Onyx Amplifiers

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Stunning Design

True to the heritage of MB Quart, the Onyx Series of mobile amplifiers are beautifully designed and packed with features found in the finest home audio amplifiers.

On Board Equalization

The Onyx Series amplifiers have built in equalization to fine tune the system with Low Pass, High Pass and Level Control.

Q-Stasis

The highly engineered Q-Stasis pre-amplifier stage is designed to keep incoming noise from source units at nearly immeasurable levels, dramatically improving sound quality.

Class SQ

Multi channel Onyx amplifiers utilize Class SQ circuit topology. Matched with the Q-Stasis preamp-stage the sonic accuracy and clarity exceeds standard Class A/B amplifiers.

Class Q1 Mono

MB Quart’s Class Q1 focuses on keeping distortions low and musical signal quality as the priority. Class Q1 offers the efficiency of today’s D-Class with increased engineering to focus on sound quality.

FLUID-FETS

MB Quart output devices, FLUID-FETS, are painstakingly selected for their ability to efficiently produce power and mimic the sound quality of the highest end home amplifiers.

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Affordable High End

Onyx is the perfect first step for building a high end audio system. The technology driving the Onyx line is the MB Quart standard. Low noise input section with the pre-amplifier utilizing Q-Stasis and FLUID-FET output devices to make big power while remaining very musical. The Onyx amplifiers feature both Class SQ circuitry and Class Q1 for big power digital output mono amplifiers. Onyx amplifiers are available in 2, 4, 5 channel models plus several mono amplifiers to perfectly design your audio system. More information

Onyx Specs

Model 1-Ohm 2-Ohms 4-Ohms Mono Bridged @ 4-Ohms Dimensions L x W x H (inches)
OA240.2 N/A 2 x 120 2 x 60 1 x 240 6.3 x 9.45 x 2.23
OA400.4 N/A 4 x 100 4 x 50 2 x 200 10.24 x 9.45 x 2.23
OA600.4 N/A 4 x 150 4 x 75 2 x 300 11.02 x 9.45 x 2.23
OA800.4 N/A 4 x 200 4 x 100 2 x 400 14.17 x 9.45 x 2.23
OA1100.5 N/A 4 x 150 + 1 x 500 4 x 75 + 1 x 350 2 x 300 15.98 x 9.45 x 2.23
OA500.1 N/A 1 x 500 1 x 250 N/A 11.81 x 9.45 x 2.23
OA750.1 1 x 750 1 x 600 1 x 350 N/A 15.75 x 9.45 x 2.23
OA1000.1 1 x 1000 1 x 750 1 x 475 N/A 17.72 x 9.45 x 2.23
OA1050.1D 1 x 1000 1 x 750 1 x 475 N/A 11.26 x 9.5 x 2.34
OA1550.1D 1 x 1500 1 x 1100 1 x 550 N/A 14.41 x 9.5 x 2.34
OA2050.1D 1 x 2000 1 x 1300 1 x 650 N/A 18.35 x 9.5 x 2.34
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