Garage
Shop

See all parts that fit your 2011 FLSTSB Cross Bones

MB Quart NA3-560.4

Nautic 560W 4 Channel Marine Audio Amplifier

MB Quart
Shop all MB Quart
highlight-star-icon

• 70 Watts Peak x 4 @ 4 ohm
• 140 Watts Peak x 4 @ 2 ohm
• Total Peak Power: 560 Watts
• CEA-2006 Compliant
• NMMA Certified
• Marine Grade Protection
• LED system protection circuit diagnostics

Learn more about the na35604

We apologize

This item has been discontinued


Loading...
RVM-35V1 main

MB Quart RVM-35V1

3.5" Touchscreen Multi-Zone Digital Multimedia Receiver with Bluetooth for RV's

-10.38%

$189.99

List price $211.99

RV.R1 main

DS18 RV.R1

Multi-Zone Digital Audio Receiver with Bluetooth Audio Streaming for RV's

RVDVD3.0 main

MB Quart RVDVD3.0

Multi-Zone DVD Receiver with Bluetooth for RV's

1
-10.10%

$257.99

List price $286.99

MB Quart RVM2.0

Multi-Zone Digital Audio Receiver with Bluetooth Audio Streaming for RV's

-10.29%

$156.99

List price $174.99

RVM-10V1 main

MB Quart RVM-10V1

10" Touchscreen Multi-Zone Digital Multimedia Receiver with Bluetooth for RV's

-9.09%

$250.00

List price $275.00

US2-C65A-175 main

SSV Works US2-C65A-175

120W Peak (60W RMS) Cage Mount Speaker Pods with 1.75" Clamp

US2-C65A-200 main

SSV Works US2-C65A-200

120W Peak (60W RMS) Cage Mount Speaker Pods with 2" Clamp

220-US2-C65U-150 main

SSV Works US2-C8U-150

Unloaded 8" Cage-Mount Speaker-Pods Enclosure

220-US2-C65U-200 main

SSV Works US2-C8U-200

Unloaded 8" Cage-Mount Speaker-Pods Enclosure

PRO-1.5KP10.4 main

DS18 PRO-1.5KP10.4 (Sold Individually)

3000W Peak (1500W RMS) 10" PANCADÃO Series 4-ohm Mid-bass Speaker

Description


MB Quart brand icon

Authorized dealer

General Features:

  • MB Quart Nautic NA3-560.4
  • 4 Channel Marine Amplifier
  • Power Power Rating:
    • 4 ohm: 70 watts x 4 chan.
    • 2 ohm: 140 watts x 4 chan.
  • Total power output: 560 watts
  • CEA-2006 Compliant Amplifier
  • NMMA Certified
  • Marine Grade Protection
  • Low noise Preamplifier circuit
  • Output device technology
  • LED system protection circuit diagnostics
  • Electronic Equalizer
  • Frequency Response: 10 - 45000 Hz
  • Total Harmonic Distortion (THD): <0.2%
  • Signal to Noise Ratio: >90 dB
  • Dimensions: 10"W x 1-1/2"H x 4"D
  • Variable high-pass filter: 50 - 250 Hz, 24 dB/octave
  • Variable low-pass filter: 50 - 250 Hz, 24 dB/octave
  • Variable Bass Boost: 0 to 9 dB
  • 10 gauge power and ground wiring is recommended for installation. Contact us for information regarding a discount on select amplifier kits from our website when purchased together with this amplifier. Click Here for our contact information.
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty
MB Quart NA3-560.4 owner’s manual

Best selling similar products

VADM4v2 small

NVX VADM4 v2 (VADM4v2)

• 80 watts x 4 channel @ 4 ohm
• 125 watts x 4 channel @ 2 ohm
• Bridged: 250 watts x 2 channel @ 4 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable 4-Channel Amplifier

(41)

$209.99

List price $239.99

VAD11005v2 small

NVX VAD11005 v2 (VAD11005v2)

• 80 watts x 4 channel + 350 watts x 1 channel @ 4 ohm
• 125 watts x 4 channel + 600 watts x 1 channel @ 2 ohm
• Bridged: 250 watts x 2 channel @ 4 ohm + 600 watts x 1 channel @ 2 ohm
• Total RMS Power: 1100 watts
• Class D 2 ohm Stable 5-Channel Amplifier

(46)

$349.99

List price $419.99

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

Specifications & Details


Key Features
Amplifier Key Features
Bass Boost
Weather-Resistant
Power Specifications - Full Range Channels
RMS Power @ 4 ohms
140 watts x 4 channel
RMS Power @ 2 ohms
70 watts x 4 channel
Amplifier Specifications
Series
Nautic Series
Amplifier Class
SQ
Number of Channels
4-Channel
Total RMS Power Output
560 watts
Maximum Input Gauge Size
12 AWG
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
Full (AP)
High-Pass Crossover Frequency
50 - 250 Hz
Low-Pass Crossover Frequency
50 - 250 Hz
Signal-to-Noise Ratio
>90 dB
Bass Boost
0 - 9 dB
Sonic Certified Amplifier
No
Amp Bluetooth Connectivity
No
Hi-Res Certified
No
What is in the box?
Paperwork
User manual
Quick start guide
WITB: Amplifiers
Amplifier
Mounting screws (4)
Mounting screws (6)
High-level input wiring harness w/ molex connectors (2)
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

NA3-560.4

Weight:

6.00lbs

Internal SKU:

na35604

Internal Product ID:

180047

Customer Ratings & Reviews


MB Quart NA3-560.4 thumbnail image

5 star
100%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
0
Value
0
Features
0
Design
0
Usability
0

Customer Reviews

Sort by:

Loading...
This item does not have any detailed reviews, but has 1 rating from customers


ZEUSDVR10 small

Night Owl Optics ZEUSDVR10

16 Channel H.264 DVR with 1 TB Hard Drive

$699.99

List price $825.00

VVX-8v3 D4 small

SKAR Audio VVX-8v3 D4 OPEN BOX

8" Dual 4 ohm VVX Series Car Subwoofer

$104.99

List price $187.99

Memory Master II CR2413A-BK small

Crosley Memory Master II CR2413A - Black

Compact Shelf System Turntable Cassette Player CD Recorder

$265.00

List price $399.95

CDXM20_99-9600_ASWC-1_SXV200V1 small

Sony 1998-2013 Harley Davidson Stereo & Installation Combo

Sony CDXM20 Marine Stereo with Installation Kit, Handlebar Thumb Control & SiriusXM Tuner

(168)

$314.92

List price $464.92

Related Searches


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

1963 Buick LeSabre

2015 Subaru Legacy

2011 Nissan Altima

2012 Scion tC

1995 Dodge Ram 1500

2012 BMW 760Li

2018 Subaru Impreza

2015 Chrysler 300

1996 GMC K2500

2023 Audi A4

Vehicle
Store
Delete

2011 Harley Davidson FLSTSB Cross Bones

Vehicle
Store
Delete

2024 Can-Am Defender MAX DPS

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.