Name: MB Quart NAU 460
Brand: MB Quart
SKU: nau460
Price: 109.99 USD
Availability: Discontinued
Rating: 4.7727 (22 reviews)

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Product highlights

Nautic Series 4-Channel Class A/B Marine Amplifier • UV And Salt Water Resistant • 60W x 4 Chan. @ 4 Ohm • 90W x 4 Chan. @ 2 Ohm • Full Range Line Outputs • 4-Way System Protection • Gold-Plated RCA Level Inputs

Learn more about the nau460

Description

Authorized dealer

Seafaring Power

For those who have been involved with car audio in the last few year, you will recognize the name MB Quart. MB Quart has been a leading car audio company for many years and now the experience and quality of MB Quart has found its way to marine audio. One of the best way to improve your audio system is by upgrading your speakers. However upgraded speakers usually need a higher source of power to function correctly, enter MB Qaurt's NAU 460 4-channel Nautic series marine amplifier. This amplifier is perfect for anyone looking to amplify a set or two of speakers or even some entry level subwoofers at the bridged impedance. Equipped with UV and salt water resistant paint, silk screen, and heat sink enclosure will improve the life span of this amplifier by protecting it from any weather conditions. The non-corrosive aluminum casing will keep your amplifier looking nice for years to come. Variable high and low pass crossovers will give you complete control of all frequencies to better tune your system to your personal preferences. The amplifier conforms to the American Boat and Yacht Council(ABYC) marine electronic standards giving you a safe and reliable product. So if you are looking to amplify your audio system to get the best sound possible, then look no further than the MB Quart NAU 460 4-channel amplifier.

Nautic Series 4-Channel Class A/B Marine Amplifier
RMS Power Rating:

4 ohm: 60 watts x 4 chan.
2 ohm: 90 watts x 4 chan.
Bridged, 4 ohm: 180 watts x 2 chan.

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: 12-5/8"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

Specifications & Details

Power Specifications - Full Range Channels

RMS Power @ 4 ohms

60 watts x 4 channel

RMS Power @ 2 ohms

90 watts x 4 channel

Bridged RMS Power

180 watts x 2 channel

Amplifier Specifications

Amplifier Class

A/B

Number of Channels

4-Channel

Total RMS Power Output

360 watts

Maximum Input Gauge Size

8 AWG

Minimum Impedance Unbridged

2 ohm

Minimum Impedance Bridged

4 ohms

THD at Rated RMS Power

.05%

Speaker Level Inputs

Preamp Outputs

Built-in Crossover

Low-Pass (LP)
High-Pass (HP)
Full (AP)

High-Pass Crossover Frequency

40 - 250 Hz

Low-Pass Crossover Frequency

40 - 250 Hz

Signal-to-Noise Ratio

93 dB

Channel Separation

80 dB

Bass Boost

0 - 6 dB

Remote bass/level controller

Fuse Rating

25A x 2

Warranty and Return Policy

Parts Warranty Duration

1 year

Labor Warranty Duration

1 year

Warranty Provider

Manufacturer

Customer Ratings & Reviews

Overall rating distribution

5 star		86%
4 star		9%
3 star		0%
2 star		5%
1 star		0%

Filter by Star Rating

Show only Verified Purchases

By feature average rating

Durability		4.5
Value		5
Features		4.7
Design		4.8
Usability		4.8

Customer Reviews

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mb quart nau 460

Excellent sound and volume, replaced my failed amp on my 20ft center console Triumph boat. Better clarity and volume, for less money than my original amp.

By Roy on November 8, 2012

15 found this helpful

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Great Value!

Purchased this 6 months ago for my pontoon. With the assistance of my helpful Sonic Elec. rep I went with the Clarion deck, 2 MB quart marine amps, 2 pair of MB Quart 6.5's & 2 - 10" MB quart subs... this baby jams. No issues thus far, very happy with my purchase.

By Dan on October 11, 2012

15 found this helpful

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Great product!

I purchased two of them to use as an amp for my door mid's and highs in two different vehicles. They work awesome. A great amp,no distortion or clipping. Tried to use it bridged for a 12" infinity but got shut off on thermal after 20 minutes of excision. All and all a great amp would recommend to anyone. great product!

By Keith on September 10, 2012

14 found this helpful

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Great amp!

I have only had the amp for a few months but it sounds and performs great. I don't know why anyone would spend 2-3 times as much on other amps that are rated the same.

By JCB2 on November 3, 2011

14 found this helpful

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Decent amp

Used in a car running 4 mb quart speakers, although this is a marine amplifier. Performed fine, no overheating problems.

By jak on June 30, 2011

14 found this helpful

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Great amp at a great price

I have a 26 foot Sea Ray bowrider and installed two of these amps with Polk db series speakers. I replaced the crap stock clarion amps and speakers that only lasted 3 years. I LOVE THIS AMP!! Its sounds great with the Polk's. Don't be scared by the price.

By Jason H on November 6, 2010

14 found this helpful

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nau460, quality value..

Basically purchased the NAU460 with the advice from a friend. The amp has worked perfectly. If I need another one some day, I will most certainly purchase another one of these!!!

By tbrat44 on January 14, 2012

14 found this helpful

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Review of the MB Quart NAU 460

I bought this amp b/c it was a good brand, with great reviews and perfect for the application. It fit perfectly in the space it was bought for and supplies awesome power to the JL Audio MX 650's.

It saw heavy use right after it was installed and powered up. It hasn't overheated or had any issues at all. To say I am happy with this amp is an understatement. So far, it has been flawless. I'll see how it did being outside all winter and how it handles being heavily used on the boat this season.

By Nick on December 30, 2011

13 found this helpful

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Offshorerafting.com

I would recommend the MBquart marine amp because it delivered even better power then my JBL. It's a great value as it's low price compared to many other marine amps. Go for it you will be happy you did, then crank it up!

By Offshore Rafting on April 2, 2012

12 found this helpful

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So far so good

Bought the NAU 460 to replace a Jensen 760 amp in my 20 foot runabout boat. The Jensen died about 2 months after its one-year warranty! The NAU 460 appears well built and sounds very good for its price. It survived its first summer boating season, which is when it's driven in 90+ ambient temps and humid (but minimal direct water contact) conditions. The only reason I am giving it only 4 stars for overall and durability is that I've only had it for 6 months so far. We'll see how long this one lasts.

By acwisn on January 19, 2012

13 found this helpful

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See all 22 reviews

Add-ons

Belva BAK84

Complete 8 Gauge Amplifier Wiring Kit with 4-Channel RCA Interconnects

(37)

$34.99

List price $59.99

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MB Quart NAU 460

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This item has been discontinued

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