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Boss MR800

800W Max, 2-Channel Marine Power Amplifier (MR 800)

3.8

(4 reviews)

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Specials with this product

  • Free Ground Shipping to the 48 statesdetails
  • 800W Max, 2-Channel Class A/B Marine Power Amplifier
  • RMS Power Rating:
    • 4 ohms: 125 watts x 2 chan.
  • MAX Power Rating:
    • 2 ohms: 400 watts x 2 chan.
    • Bridged, 4 ohms: 800 watts x 1 chan.
  • MOSFET PMW (Pulse Width Modulated) power supply
  • Bass Remote Details (Wired remote bass level control included)
  • LED power and protect indicators
  • Bass Boost/EQ details (0-18 dB bass boost)
  • Tri-mode capable
  • Soft turn-on circuit
  • 2/1 channel operation
  • Speaker-level inputs with included adapter
  • 2-Way System Protection circuitry (thermal and speaker short protection)
  • Exclusive protective coating on PC board to prevent humidity damage
  • Heavy duty silver aluminum alloy heat sink for extreme heat dissipation
  • RCA level inputs
  • Fixed high-pass filter (200 Hz)
  • Variable low-pass filter (40-150 Hz)
  • Input sensitivity adjustment (100mV-2V/2V-8V)
  • Damping factor (125+)
  • Frequency response: 6-50,000 Hz
  • Dimensions: 8-3/4"L x 7-3/8"W x 2-1/4"H
  • 8-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.
  • 1-year Manufacturer's warranty
Power Specifications - Full Range Channels
RMS Power @ 4 ohms125 watts x 2 channels
RMS Power @ 2 ohmsNot Specified
RMS Power @ 1 ohmNot Stable
Bridged RMS PowerNot Bridgeable
Peak Power Output400 watts x 2 channels
Amplifier Specifications
Marine CertifiedYes
Amplifier ClassAB
Number of Channels2
Total Peak Power Output800 watts
Total RMS Power Output250 watts
Maximum Input Gauge Size8 AWG
Minimum Impedance Unbridged2 ohms
Minimum Impedance Bridged4 ohms
THD at Rated RMS Power0.01%
Speaker Level InputsYes - with included adapter
Preamp OutputsNo
Built-in CrossoverLow-pass (LP)
High-pass (HP)
Full (AP)
High-Pass Crossover Frequency200 Hz
Low-Pass Crossover Frequency40 - 150 Hz
Subsonic FilterN/A
Signal-to-Noise Ratio102 dB
Channel Separation90 dB
Bass Boost0 - 18 dB
Bass/Gain RemoteYes
Fan CooledNo
Fuse Rating25A x 1 
CEA-2006 CompliantNo
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration2 years
Labor Warranty Duration2 years
Warranty ProviderManufacturer
Customer Review Summary for Boss MR800
Average Customer Rating is 3.8 out of 5 stars:
3.8
based on 4 Reviews
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Rating Distribution:
5 star:
.
.
50%
4 star:
.
.
25%
3 star:
.
0%
2 star:
.
0%
1 star:
.
.
25%
what's this?
Average Attributes Rating:
Durability
3.8
Value
4.0
Features
3.8
Design
4.5
Usability
4.5
what's this?
Quick Comparison:
Most helpful favorable review vs. Most helpful critical review
Most Helpful Customer Reviews:
December 22, 2011 Sucks
Review by
Frank from Pittsburg, TX
Overall
Durability
Value
Features
Design
Usability
This amp is so under powered it ain't even funny... don't waste your money!!
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May 15, 2011 Good deal
Review by
Solomon from Sandusky, Ohio
Overall
Durability
Value
Features
Design
Usability
Great price - great sound! Lowest price I found on the web
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October 29, 2010 rollerhockey 50
Review by
Rollerhocky from Cheyenne Wyo.
Overall
Durability
Value
Features
Design
Usability
The staff at Sonic helped me pair this amp with a boss sub woofer I am very happy with the results. The staff a Sonic was very helpful in helping me with this.....Sonic is Great...thanks Guys
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September 30, 2010 Boss MR800
Review by
Yngvar from Kristiansand, 0, Norway
Overall
Durability
Value
Features
Design
Usability
Fantastic amplifier. Great power, and deep good sound. Very Powerful. I use it for 2 Boss Subs MR120. Easy to mount. Very smart power-volume.
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Amplifier Wiring Kits
Get the wires you need to properly install and power your marine amplifier.
 ProductPriceAdd?
Kicker DCK8Kicker DCK8
8 Gauge Amplifier Installation Kit with RCA Interconnect Cable		$47.99
Monster Cable BAP300Monster Cable BAP300
8 Gauge Amplifier Installation Power Kit (No RCA Interconnects)		$40.00
RCA Interconnects
You will need a good set of RCA interconnect cables to connect your amplifier to your head unit. Using high quality cables ensure the best sound possible by reducing unwanted noise interference, providing tight contacts, and utilizing the latest in cable technology.
 ProductPriceAdd?
Directed Silver Series Audio Interconnect Cable ** LOW PRICE **Directed Silver Series Audio Interconnect Cable ** LOW PRICE **
20 ft. of 2-Channel RCA Interconnect cable with twisted pair construction.		$3.99
Kicker Z-Series RCA Interconnect CablesKicker Z-Series RCA Interconnect Cables
16.5 ft. of 2-Channel Kicker Interconnects with twisted pair conductors, gold plated contacts, and hyper-flex technology for easy installation!		$14.99
Monster Cable 300 Series XLN+ Audio Interconnect CableMonster Cable 300 Series XLN+ Audio Interconnect Cable
16.4 ft. of 2-Channel Monster Cable with XLN (Xtra Low Noise) construction, 6-cut turbine MirrorChrome connectors, and 2-way time correct windings for the ultimate RCA cable!		$45.00
Speaker Wire
Improve the sound quality by delivering more power when replacing your factory wiring. High quality speaker will maximize your amplifier investment and system performance.
 ProductPriceAdd?
Kicker XW1220 Speaker WireKicker XW1220 Speaker Wire
12 Gauge Wire - 20 ft. of Dual Twist Speaker Cable with Sleeves for a Clean Install		$24.99
StreetWires SCP1215BL - 12 AWG Speaker WireStreetWires SCP1215BL - 12 AWG Speaker Wire
12 Gauge Wire - 15 ft. of Speaker Cable with Twisted Construction		$19.99
Installation, Tools & Accessories
With our professional install card, you can have your amp installed by a pro near you, or you can purchase tools and do the install yourself.
 ProductPriceAdd?
StreetWires FB8StreetWires FB8
8 Gauge Firewall Bushing		$4.99
Kicker DB1448 (09DB1448) - Top of the Line!Kicker DB1448 (09DB1448) - Top of the Line!
Distribution Block with Two 1/0 or 4 AWG Inputs and Four 4 or 8 AWG Outputs		$18.99
Main Product
 ProductPriceAdd?
Boss MR800Boss MR800$104.99

Product Summary

Manufacturer: Boss
Model number: MR800
UPC: 791489108843
Weight: 6.00 lbs
Internal SKU: mr800
Internal product ID: 19708

Price Information

$199.99

–$95.00

$104.99

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