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MB Quart NAU 660

540W Max, Nautic Series 6-Channel Marine Amplifier (NAU660)

4.6

(5 reviews)

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Specials with this product

  • Free Ground Shipping to the 48 statesdetails
  • Nautic Series 6-Channel Class A/B Marine Amplifier
  • RMS Power Rating:
    • 4 ohms: 60 watts x 6 chan.
    • 2 ohms: 90 watts x 6 chan.
    • Bridged, 4 ohms: 180 watts x 3 chan.
  • Max power output: 360 watts
  • MOSFET PWM power supply
  • UV and salt water resistant paint, silk screen and heat sink enclosure
  • Marine-grade conformal coated circuit boards resist corrosion from salt spray and moisture
  • Non-corrosive brushed aluminum casing
  • Conforms to the American Boat and Yacht Council (ABYC) marine electronic standards
  • LED power and protect indicators
  • Bass Boost (0-6 dB bass boost at 45 Hz)
  • 2/1 channel operation
  • Full range line outputs
  • 4-Way system protection circuitry (DC, short, thermal, overload)
  • Heavy duty aluminum alloy heatsink
  • Gold-plated RCA level inputs
  • Gold-plated screw terminals
  • Variable high-pass filter (40-250 Hz)
  • Variable low-pass filter (40-250 Hz)
  • Variable frequency: 40-250 Hz
  • Variable input level control (0.2V-6V)
  • Damping Factor: 180
  • Dimensions: 18-3/4"L x 9-1/2"W x 2-1/8"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.
  • 1-year SonicElectronix.com warranty
Power Specifications - Full Range Channels
RMS Power @ 4 ohms60 watts x 6 channels
RMS Power @ 2 ohms90 watts x 6 channels
RMS Power @ 1 ohm180 watts x 3 channels
Bridged RMS PowerN/A
Peak Power OutputN/A
Amplifier Specifications
Marine CertifiedYes
Amplifier ClassAB
Number of Channels6
Total Peak Power Output540 watts
Total RMS Power Output540 watts
Maximum Input Gauge Size4 AWG
Minimum Impedance Unbridged2 ohms
Minimum Impedance Bridged4 ohms
THD at Rated RMS Power.05%
Speaker Level InputsNo
Preamp OutputsNo
Built-in CrossoverLow-pass (LP)
High-pass (HP)
Full (AP)
High-Pass Crossover Frequency40 - 250 Hz
Low-Pass Crossover Frequency40 - 250 Hz
Subsonic FilterN/A
Signal-to-Noise Ratio93 dB
Channel Separation80 dB
Bass Boost0 - 6 dB
Bass/Gain RemoteNo
Fan CooledNo
Fuse Rating70A x 1 
CEA-2006 CompliantNo
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration1 year
Labor Warranty Duration1 year
Warranty ProviderManufacturer
Customer Review Summary for MB Quart NAU 660
Average Customer Rating is 4.6 out of 5 stars:
4.6
based on 5 Reviews
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Rating Distribution:
5 star:
.
.
60%
4 star:
.
.
40%
3 star:
.
0%
2 star:
.
0%
1 star:
.
0%
what's this?
Average Attributes Rating:
Durability
4.4
Value
4.8
Features
4.8
Design
4.4
Usability
5.0
what's this?
Most Helpful Customer Reviews:
April 9, 2011 good app
Review by
mrfixit from miami ,fl
Overall
Durability
Value
Features
Design
Usability
This app runs really good it is a great value or the money
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September 24, 2010 Great Amp
Review by
Peter from St. John's, Newfoundland, Canada
Overall
Durability
Value
Features
Design
Usability
I have used the amp for 4 months now. Plenty of power to drive 4 full range and a sub no matter what the volume. Also i found Sonic great to deal with.
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December 4, 2009 Quality Amp
Review by
Big Bite from SLC , UTB
Overall
Durability
Value
Features
Design
Usability
Nice Amp, well designed flexible worth the money and dose a good job powering six 6.5's and a tube sub. 2-45rms 4-35rms 75rms sub
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November 3, 2009 awesome
Review by
Trenton from Inez, TX
Overall
Durability
Value
Features
Design
Usability
Real good quality amp makes them speakers in the boat scream.
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April 8, 2009 nau 660
Review by
lanchon from san juan, Puerto Rico
Overall
Durability
Value
Features
Design
Usability
works great but is too heavy .
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Amplifier Wiring Kits
Get the wires you need to properly install and power your marine amplifier.
 ProductPriceAdd?
Kicker PKD4Kicker PKD4
Dual Amplifier 4 Gauge Amp Installation Kit w/ Distribution Blocks		$99.99
Kicker ZCK4Kicker ZCK4
Complete 4 Gauge Amp Wiring Kit with RCA Interconnect Cables and Speaker Wire!		$89.99
The InstallBay AK4 by MetraThe InstallBay AK4 by Metra
4 Gauge Amplifier Installation Kit with RCA Interconnect Cable		$26.99
StreetWires ZN1K-04StreetWires ZN1K-04
4 Gauge (AWG) ZN1 Series Single Amplifier Installation Kit for Systems up to 1000 Watts		$37.99
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?
Monster Cable 300 Series XLN+ Audio Interconnect CableMonster Cable 300 Series XLN+ Audio Interconnect Cable
16.54 ft. of 6-Channel RCA Cables with 2-way time correct windings and Xtra Low Noise (XLN) construction for optimal signal transfer.		$89.00
Stinger PRO3 Series Interconnect CableStinger PRO3 Series Interconnect Cable
17 ft. of 6-Channel RCA Cable with high-twist construction and ShocKrome end connectors provide a secure fit with top-notch signal transfer.		$31.99
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 FB4StreetWires FB4
4 AWG / 4 Gauge Firewall Bushing		$7.99
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?
MB Quart NAU660MB Quart NAU 660$199.95
Related products
MB Quart NAU 260
Nautic Series 2-Channel Class A/B Marine Amplifier • UV And Salt Water Resistant • 60W x 2 Chan. @ 4 Ohms • 90W x 2 Chan. @ 2 Ohms • Full Range Line Outputs • 4-Way System Protection • Gold-Plated RCA Level Inputs
$84.99
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MB Quart NAU 460
Nautic Series 4-Channel Class A/B Marine Amplifier • UV And Salt Water Resistant • 60W x 4 Chan. @ 4 Ohms • 90W x 4 Chan. @ 2 Ohms • Full Range Line Outputs • 4-Way System Protection • Gold-Plated RCA Level Inputs
$119.99
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Product Summary

Manufacturer: MB Quart
Model number: NAU660
UPC: 806576215868
Weight: 14.00 lbs
Internal SKU: nau660
Internal product ID: 17760

Price Information

$419.99

–$220.04

$199.95

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I recently asked some questions in regards to placement and fit for my son's truck and my questions were answered quickly and professionally.

Thank you Richard M.,Customer Commitment Team, for your help.

Sincerely,

Rob

- Rob from Texas

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