Garage
Shop

See all parts that fit your 1973 Challenger

MB Quart OA500.1

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

MB Quart
Shop all MB Quart
Product videos
highlight-star-icon

• 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

We apologize

This item has been discontinued


Loading...
Limited time!
46CSC654 main

Kicker CSC65 (46CSC654)

600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers

122
-33.36%

$79.96

List price $119.99

Limited time!
46CSC6934 main

Kicker CSC693 (46CSC6934)

900W Peak (300W RMS) 6x9” CS Series 3 Way Coaxial 4-ohm Speakers with Integrated Midrange Speakers

40
-30.02%

$111.96

List price $159.99

43DSC6504 main

Kicker DSC650 (43DSC6504)

480W Peak (120W RMS) 6.5” DS Series 2-way 4-ohm Coaxial Car Speakers (DSC6504)

28
-10.53%

$84.99

List price $94.99

Limited time!
Club 622 main

JBL Club 622

360W Peak (120W RMS) 6.5" Club Series 2-way Coaxial 3-ohm Speakers

5
-28.58%

$99.95

List price $139.95

DB652 main

Polk Audio DB652 (DB 652)

600W Peak (200W RMS) 6.5" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

12
-9.16%

$109.00

List price $119.99

PNW-65CS2 main

AudioControl PNW-65CS2

250W Peak (200W RMS) 6.5″ PNW Series 2 Way Component 3-ohm Speakers

4
-5.90%

$319.00

List price $339.00

MPK 163.3 main

Hertz MPK163.3

600W Peak (300W RMS) 6.5" Mille PRO Series 3-way 4-ohm Component Speaker System

2
-14.89%

$999.99

List price $1175.00

SXE-6926S main

Alpine SXE-6926S

280W Peak (90W RMS) 6x9” SXE Series 2-way 4-ohm Coaxial Speakers

13
-20.84%

$56.99

List price $71.99

NSP65 main

NVX NSP65

540W Peak (180W RMS) 6.5" N-Series 2 Way Coaxial Car Speakers

93
-35.19%

$69.99

List price $107.99

REF697F main

Infinity REF697F (INFSPKRF697FUS)

600W Peak (200W RMS) 6x9" Reference Series 2-Way Coaxial 4-ohm Speakers

5
-17.65%

$139.95

List price $169.95

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

Best selling similar products

NDA12001 small

NVX NDA12001

• 500 watts x 1 channel @ 4 ohm
• 850 watts x 1 channel @ 2 ohm
• 1200 watts x 1 channel @ 1 ohm
• Total RMS Power: 1200 watts
• Class D 1 ohm Stable Monoblock Amplifier

(13)

$169.99

List price $239.99

ATOM 1300.1 PRO small

Deaf Bonce Apocalypse ATOM 1300.1 PRO

• 490 watts x 1 channel @ 4 ohm
• 780 watts x 1 channel @ 2 ohm
• 1300 watts x 1 channel @ 1 ohm
• Total RMS Power: 1300 watts
• Class D 1 ohm Stable Monoblock Amplifier

$199.90

List price $199.90

VAD17001v2 small

NVX VAD17001 v2 (VAD17001v2)

• 800 watts x 1 channel @ 4 ohm
• 1350 watts x 1 channel @ 2 ohm
• 1700 watts x 1 channel @ 1 ohm
• Total RMS Power: 1700 watts
• Class D 1 ohm Stable Monoblock Amplifier

(35)

$259.99

List price $335.99

JD1000/1 small

JL Audio JD1000/1

• 600 watts x 1 channel @ 4 ohm
• 1000 watts x 1 channel @ 2 ohm
• Total RMS Power: 1000 watts
• Class D 2 ohm Stable Monoblock Amplifier

(22)

$429.99

List price $429.99

VAD10001v2 small

NVX VAD10001 v2 (VAD10001v2)

• 420 watts x 1 channel @ 4 ohm
• 760 watts x 1 channel @ 2 ohm
• 1000 watts x 1 channel @ 1 ohm
• Total RMS Power: 1000 watts
• Class D 1 ohm Stable Monoblock Amplifier

(37)

$209.99

List price $227.99

VADM1 small

NVX VADM1 v2 (VADM1v2)

• 240 watts x 1 channel @ 4 ohm
• 400 watts x 1 channel @ 2 ohm
• 600 watts x 1 channel @ 1 ohm
• Total RMS Power: 600 watts
• Class D 1 ohm Stable Monoblock Amplifier

(16)

$189.99

List price $239.99

JD500/1 small

JL Audio JD500/1

• 250 watts x 1 channel @ 4 ohm
• 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable Monoblock Amplifier

(12)

$299.99

List price $299.99

R2-1200X1 small

Rockford Fosgate Prime R2 R2-1200X1

• 400 watts x 1 channel @ 4 ohm
• 800 watts x 1 channel @ 2 ohm
• Total RMS Power: 1200 watts
• Class D 1 ohm Stable Monoblock Amplifier

(23)

$449.99

List price $449.99

Reference 10001A small

Infinity Reference 10001A (AMPRF10001AAM)

• 600 watts x 1 channel @ 4 ohm
• 1000 watts x 1 channel @ 2 ohm
• Total RMS Power: 1000 watts
• Class D 2 ohm Stable Monoblock Amplifier

$499.95

List price $569.95

NDA15001 small

NVX NDA15001

• 670 watts x 1 channel @ 4 ohm
• 1100 watts x 1 channel @ 2 ohm
• 1500 watts x 1 channel @ 1 ohm
• Total RMS Power: 1500 watts
• Class D 1 ohm Stable Monoblock Amplifier

(14)

$199.99

List price $287.99

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

Sort by:

Loading...

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




IEWR2 small

NVX IEWR2 (Water Resistant Sport Earbuds)

Sweat and Water-Resistant Sport In-Ear Headphones with One-Button Mic for iPhone/Android Phones

(16)

$14.99

List price $39.99

M770-SG-WH KIT small

JL Audio M770-SG-WH KIT

Replacement Woofer and Tweeter Sport Grilles for M-Series 7.7-inch Component Systems - White

(1)

$49.99

List price $49.99

IR-X/LED small

PAC IR-X/LED

LED Splitter and Cable for IR-X

(1)

$9.99

List price $12.95

HFI10001D_SCXV212D4 small

RE Audio Subwoofer and Hifonics Amplifier Combo

RE Audio SCX12v2 12" SCXv2 Series Dual 4 Ohm Subwoofer + Hifonics HFi1000.1D 1000 Watt RMS Monoblock Amplifier

(163)

$224.85

List price $874.97

APSL-10 small

Audiopipe APSL-10

10" 700W APSL Series Midrange Driver

(4)

$63.97

List price $129.99

630UASB small

AM/FM Bluetooth Radio with Front Aux, USB + Built-In Speakers (No CDs)

Boss 630UASB Single DIN Bluetooth AM/FM Digital Media Car Stereo with Front 3.5mm, SD Card Reader, & USB Auxiliary Inputs & Featuring Built In Speakers

(2)

$29.99

List price $89.99

651T small

Directed 651T

6 Amp Diodes (10 Pack)

$9.99

List price $19.99

F150-PK1 small

Crimestopper Rear View Mirror + Tailgate Camera for 2004-2015 Ford F-150/F-250

OEM Style Replacement Mirror with 4.3" LCD Screen + Tailgate Handle Mount Color CMOS Reverse Camera (170-degree view)

(2)

$309.89

List price $619.85

RS6652WA small

Autopage RS6652WA

2-Way Remote Start Car Alarm System with Keyless Entry & 4-Button LCD Transmitter

$104.99

List price $249.00

Related Searches


Save up to 10 different vehicles in your garage
Vehicle
Store
Delete

1973 Dodge Challenger

2016 Volvo XC90

1999 Honda EV Plus

1993 Dodge Caravan

1995 Buick Skylark

2008 Mazda B2300

2018 Dodge Charger

2013 Lexus ES350

1995 Isuzu Spacecab

1983 Jeep CJ7

Add vehicle Clear all vehicles
Where to find vehicle info
Are you sure you want to clear your garage?
This action cannot be undone. Confirm
This page was not designed for products.
If you continue, you will be redirected to a category customized for your vehicle. Continue
Loading...
Identify your vehicle and submodel details
  • Owner's manual
  • Vehicle's insurance card
  • Vehicle registration
  • Vehicle produced after 2005: Inside driver's side door
  • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
Car Info Side Door Icon
Vehicle Registration Icon
Vehicle Insurance Icon

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.