See all parts that fit your 2008 Focus
800W RMS 4-Channel Onyx Series Class SQ Full-Range Bridgeable Power Amplifier
• 100 Watts RMS x 4 @ 4 ohm
• 200 Watts RMS x 4 @ 2 ohm
• 400 Watts RMS x 2 @ 4 ohm, Bridged
• Total Peak Power: 1600 Watts
• 2-Ohm Stable operation, bridgeable to 4-ohm
• Variable Bass Boost (Bass EQ, Ch 3 & 4 only): 0 - +9 dB at 45Hz
• 16 AWG speaker output connections
• Dimensions: 14.17" L x 9.45" W x 2.23" H
Install New Speakers in select 1993-2017 vehicles from Ford, Mazda, Mercury
$9.99
List price $14.99
Connect Factory Antenna to New Aftermarket Radio in select 2002-2020 vehicles from Ford, Chevrolet, GMC
$3.99
List price $14.99
Install a New Car Stereo and Retain Steering Wheel Controls and Other Factory Features in select 2005-2014 vehicles from Ford, Lincoln, Mercury
$89.99
List price $99.99
Install a new Single-DIN or Double-DIN car stereo in select 2008-2011 Focus (Silver)
$41.99
List price $75.99
Install a New Car Stereo and Retain Steering Wheel Controls and Other Factory Features in select 2006-2022 vehicles from Ford, Lincoln, Mercury
$136.99
List price $152.99
6.2" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth and Built-in Alexa
$194.99
List price $300.00
600W Peak (60W RMS) 6.5" Sport Series 2 Way Coaxial 4-ohm Car Speakers
$49.00
List price $80.00
720W Peak (120W RMS) 6x8" HED Series 3-Way Coaxial 4-ohm Speakers
$79.99
List price $95.99
• 100 Watts RMS x 4 @ 4 ohm
• 200 Watts RMS x 4 @ 2 ohm
• 400 Watts RMS x 2 @ 4 ohm, Bridged
• Total Peak Power: 1600 Watts
• 2-Ohm Stable operation, bridgeable to 4-ohm
• Variable Bass Boost (Bass EQ, Ch 3 & 4 only): 0 - +9 dB at 45Hz
• 16 AWG speaker output connections
• Dimensions: 14.17" L x 9.45" W x 2.23" H
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.
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!
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Check out the MB Quart OA800.4 Owner's Manual
2 Infinity REF507CF (INFSPKRF507CFUS) w/ Adapter Plates
390W Peak (130W RMS) 5.25" Reference Series 2-way 3-ohm Component Speaker System with Speaker Adapter Plates
$389.88
List price $543.88
6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto, and SiriusXM Ready
$339.99
List price $420.00
600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers
$79.96
List price $119.99
360W Peak (120W RMS) 6.5" Club Series 2-way Coaxial 3-ohm Speakers
$99.95
List price $139.95
600W Peak (200W RMS) 6.5" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers
$109.00
List price $119.99
480W Peak (120W RMS) 6.5” DS Series 2-way 4-ohm Coaxial Car Speakers (DSC6504)
$84.99
List price $94.99
6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay and Android Auto, and Built-in Alexa (Sirius XM Ready)
$469.99
List price $620.00
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Manufacturer:
Model Number:
OA800.4
Weight:
10.00lbs
Internal SKU:
oa8004
Internal Product ID:
67853
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Great amp!
This amp is fantastic! it puts out true rms, very clear on stereo and bridged for sub woofers. i would recommend this to anyone who needs a high power speakers or some subs. it was a bit tricky to set up the channels if you're new to car audio though, but over all, i would buy again. (and i did buy again) i pulled a stupid and wired it to 2 ohm bridged, but somehow it survived it... i love you mb quart.
41 found this helpful
Love This Amp!
Installer, competitor, and general bass head and I love this amp. The sound quality is great even with cheaper speakers. Match this up with a great component set, some sound deadener on your doors and you have yourself an impressive set up.
I've owned a few now, end up selling them and starting fresh, love them all.
There are lots of settings with the HPF/LPF and gains, very great to tune.
39 found this helpful
Great Amplifier !
This is a great amplifier. Got it brand new to install my Chevy Cruze along with a pair of Polk Audio component speaker set and a NAR 10" subwoofer. Perfect match !! Power rating are true, strongly recommend to anyone looking for sound quality with enough power.
38 found this helpful
What A beast of on amp and it sounds so clean and can be tuned to all speakers
Use half the amp for a super nice JL and full car door speakers and it sounds super great! Im Impressed!
34 found this helpful
Very Nice
So far so good. First time owing MBquart for my voice. Gotta say its a rock solid amp. Clean signal no issues.
35 found this helpful
EXCELLENT PRODUCT
I installed this amp in a Suzuki Swift with 4 MB Quart speakers. The sound is brilliant! The products are excellent value for money and perform exactly as specified. Would recommend this to anyone.
34 found this helpful
Awesome amp
i have channels 1 and 2 powering 2 sets of Alpine SPR-60Cs and channels 3 and 4 powering one set!! i have this amp tuned with the DD-1 and CC-1 they play from 71hz and up subs play 71hz and down!! so far i love the amp every thing sounds awesome and clean!
32 found this helpful
Great product
Product of good construction however is produced in china as we thought it would be an American product. But the quality is very good.
30 found this helpful
VERY powerfull
This is a very powerfull amp for the price cant beat it. I have two of them and love them.. Have them powering 4 6.5s 4 8s and 4 super tweets still needa add more mids..
27 found this helpful
Great Product
Great value, good output and sound quality. Gets a bit warm when played at full power but can be fixed with a fan or two. Wire terminals are angled down so are a bit awkward to input your wires. All in all, great amp for the price
24 found this helpful
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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:
Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.
