Showing 2 reviews for MB Quart ONX4.80

Customer Review Summary for MB Quart ONX4.80
Average Customer Rating is 4.5 out of 5 stars:
4.5
based on 28 Reviews
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Rating Distribution:
Average Attributes Rating:
Durability
4.4
Value
4.8
Features
4.5
Design
4.5
Usability
4.6
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Most Helpful 3 star Customer Reviews:
March 1, 2013 Sounds great if you can find one that works...
Review by
M from bradenton, FL
Overall
Durability
Value
Features
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Ordered this amp to complement my onx1500.1d, channels 3 and 4 were defective. Sonic sent it to MB Quart and delivered me a new one, unfortunately it was also defective. Maybe I just had bad luck... these amps DO sound good for the money, maybe run a little hot (a/b class), I am just tired of swapping out brand new amps...

Again, if you can find one that works, good deal for the money.
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June 3, 2012 High pass crossover
0 of 1 people found the following review helpful:
Review by
Adam from Thomasville, Ga
Overall
Durability
Value
Features
Design
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I have a 125.4 and a 80.4, both onyx series mb quart amps. The high pass crossover on these really does NOT go to 13000 hz. It is actually closer to 1300 hz. I found this out when trying to set the high pass filter to 4000 hz using the SMD CC-1. I tried a lower tone (1000 Hz) and was able to calibrate it, but the adjustment was almost all the way up. About a 16th of a turn from the highest setting or "13000 Hz". Other than this the amp pushes pretty good power and works fine for running full range speakers.
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