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MB Quart REF1.800 (REF 1.800)

800W RMS Reference Series Monoblock Amplifier

  • 4.9

(8 reviews)

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The product on this page is discontinued.

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Find the right amplifier for your subwoofers
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  • 800W RMS Reference Series Monoblock Amplifier
  • RMS Power Rating:
    • 4 ohms: 300 watts x 1 chan.
    • 2 ohms: 650 watts x 1 chan.
    • 1 ohms: 800 watts x 1 chan.
  • Pulse Width Modulated MOSFET power supply
  • Wired remote bass level control included
  • LED power (blue) and protect (red) indicators
  • Variable Bass Boost (0 to +12 dB bass boost at 45 Hz)
  • Soft Start Turn-on
  • Mono channel operation
  • Preamp RCA outputs to daisy chain multiple amps
  • 4-Way System Protection circuitry (DC, thermal, overload, and speaker short protection)
  • Heavy duty aluminum alloy heatsink for extreme heat dissipation
  • Nickel-plated RCA level inputs
  • Nickel-plated screw terminals
  • Input sensitivity:
    • Level: 200mV-5V
  • Variable low-pass filter (40-150 Hz, 24 dB/octave)
  • Subsonic filter (15-55 Hz)
  • Damping factor: >200
  • Frequency response: 15-250 Hz
  • Dimensions: 12-3/16"L x 7-3/4"W x 1-7/8"H
  • 4-gauge power and ground wiring is required for installation. Contact us for information regarding a discount on select amplifier kits when purchased together with this amplifier.
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty
Power Specifications - Subwoofer Channel
RMS Power @ 4 ohms 300 watts x 1 channels
RMS Power @ 2 ohms 650 watts x 1 channels
RMS Power @ 1 ohm 800 watts x 1 channels
Peak Power Output Not Specified
Amplifier Specifications
Number of Channels 1 - Mono
Total RMS Power Output 800 watts
Maximum Input Gauge Size 4 AWG
Minimum Impedance Unbridged 1 ohms
Minimum Impedance Bridged Not Bridgeable
THD at Rated RMS Power <0.1%
Speaker Level Inputs No
Preamp Outputs 1 pair
Built-in Crossover Low-pass (LP)
Low-Pass Crossover Frequency 40 - 150 Hz
Subsonic Filter 15 - 55 Hz
Signal-to-Noise Ratio 95 dB
Bass Boost 0 - 12 dB
Bass/Gain Remote Yes
Fan Cooled No
Fuse Rating 40A x 2 
CEA-2006 Compliant Yes
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration 1 year
Labor Warranty Duration 1 year
Warranty Provider Manufacturer
Customer Review Summary for MB Quart REF1.800 (REF 1.800)
Average Customer Rating is 4.9 out of 5 stars:
  • 4.9
based on 8 Reviews
Share your thoughts with others:
Rating Distribution:
5 star:
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.
88%
4 star:
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13%
3 star:
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0%
2 star:
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0%
1 star:
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what's this?
Average Attributes Rating:
Durability
  • 4.6
4.6
Value
  • 4.9
4.9
Features
  • 4.8
4.8
Design
  • 4.5
4.5
Usability
  • 4.6
4.6
what's this?
Most Helpful Customer Reviews:
April 11, 2013 Great power in a small footprint.
Review by
John from Primghar, IA
Overall
  • 5.0
Durability
  • 5.0
Value
  • 5.0
Features
  • 5.0
Design
  • 5.0
Usability
  • 5.0
I have this hooked up to 2 15" Kicker L7's running 1 ohm and they pound. I am very surprised at how small this amp is and it is definitely pushing the 800 watts RMS that it says it does. The side covers really complete the look of the amp and the bass knob is really nice. Overall, I would say this is one of the best amps for the money.
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February 18, 2013 Works Great
Review by
Sweet from Marrero, LA
Overall
  • 5.0
Durability
  • 4.0
Value
  • 5.0
Features
  • 5.0
Design
  • 4.0
Usability
  • 5.0
Got this amp pushing two JL 10w0v3 at 2 ohm. pushes them very well and i have them in seperate sealed boxes gives that nice tight bass.
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February 14, 2013 Own 2
Review by
Jeff from Petaluma, California
Overall
  • 5.0
Durability
  • 5.0
Value
  • 5.0
Features
  • 5.0
Design
  • 5.0
Usability
  • 5.0
For the longest time I had my one reference i paid $*** for, just ran at .5 ohms pushing my 4 12's and i needed a second 130 amp alternator to keep up, after I strapped a second amp I blew one of my subs and needed to upgrade to something that can take the current these amps flow through them. Would recommend best bang for the buck, PERIOD. Solid and reliable good cooling and took abuse tho I wouldn't recommend running below 1 ohm impedance like I did, now I've got a nice 2 ohm load and I'm getting my 1600 watts it seems to be less demanding @ 2 ohms..
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August 6, 2011 very satisfied customer
Review by
Stephen from Santa Clarita, CA
Overall
  • 5.0
Durability
  • 5.0
Value
  • 5.0
Features
  • 5.0
Design
  • 5.0
Usability
  • 5.0
I got this to go with the ref. 480.4 its like a match made in heaven. solid bass great punch and clean sound. They really do complement each other. If you love sound and you have quality speakers, don't hesitate on these amps, get a set to power your speakers. you will not be disappointed. I have this on two 10's at 2 ohm load. Very goog vibes all around.
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May 7, 2011 Great Amp
Review by
Beamer from Baton Rouge, LA
Overall
  • 5.0
Durability
  • 4.0
Value
  • 5.0
Features
  • 5.0
Design
  • 5.0
Usability
  • 5.0
first of all coming from a sony amp this thing is nice, the bass from my sealed subs is so tight, can really feel the kick from the drums and the bass guitar in my rock and, its really small and has the flexibility to be ran with two of the same amps for 1600 watts at 2ohm. Overall really good sound. Dont know how long it will last because i just got it but still havnt had any amp crap out on me, just stolen.
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View All 8 Reviews for MB Quart REF1.800 (REF 1.800)
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Testing and Performance
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Product Summary

Manufacturer: MB Quart
Model number: REF1.800
UPC: 806576217251
Weight: 9.52 lbs
Internal SKU: ref1800
Internal product ID: 25536