MB QUART Nautic Series Mono Marine Subwoofer Amplifier Installation Guide
- June 9, 2024
- MB QUART
Table of Contents
Quick Start
Installation Guide
NA3-560.4 NA3-1000.5
NA3-600.6 NA3-750.1
PLEASE NOTE: If switch is set to DC sense on, the amplifier will not turn
on via the amplifiers remote turn on wire. So if the amplifier will not turn
on please view this switch on the control panel and adjust accordingly. For
more information visit our website.
PLEASE NOTE: The MB Quart logo panel can be mounted in either direction
depending on your installation configuration. After the amplifier is mounted
in its final position, remove the adhesivebacking and affix to the amplifier
in the desired position pressing down for 10 seconds. For more information
visit our website.
Before you start
CAUTION
Many new and factory radios require a reset code when disconnected from
battery power. This is an anti-theft feature. Before unplugging power, you
must determine if your radio/source unit requires a reset code. Check the
operation manual for your vehicle or contact the dealer.
Congratulations on your choice of a MBQuart amplifier. This “Quick Start
Installation” guide is meant to help you “hook up” and play music. For more
detailed information, on system setting, speaker and subwoofer configuration
and full specifications by model please visit our website at
www.MBQuart.com
Power cable size
It is critical to use the proper power and ground cable. Select the size
Always use high quality copper cable. Visit our website for multi amp system
cable recommendations.
Model Cable Size
10ga
NA3-560.4
NA3-1000.5
NA3-600.6
NA3-750.1
Installation
-
Disconnect Negative Battery Terminal
Place terminal in a secure position so that it won’t accidentally contact the negative battery post -
Run Cables
Properly route power, speaker and RCA cables through the vehicle. -
Mount Amplifier
Choose a mounting location that will provide adequate air a secure surface. Do not mount -
Ground
The ground connection is critical to the performance location that is close to the away the paint and use a nut and bolt if possible.
DO NOT USE AN EXISTING FACTORY BOLT! -
Power Connection
Attach the chassis ground, +12V and amp turn on wire. It is important to make sure these connections are very secure.
REM TURN ON / DC SENSE ON SWITCH
position suited for your application.
REM TURN ON
from a source unit, is connected to the Amp Turn On – BLUE wire on the main power connection harness.
DC SENSE The DC SENSE is for use with source units that do not offer RCA outputs.
PLEASE NOTE: please view this switch on the top control panel and adjust accordingly. For more information on DC Sense and wiring visit MBQUART.com -
Signal Input Connection
Connect the RCA cables to the INPUT connectors. PLEASE NOTE: If using RCA connectors, the colors coininside with speaker wire color. -
Gain Control
Turn the GAIN control completely counter-clockwise to minimum. -
Speaker Connections
Connect the speaker cables to the speaker output connectors. Follow the diagram below -
Positive Battery Connection
Connect the power cable to the positive battery terminal. The power cable must be fused within 18 inches of the battery terminal. Be prepared to disarm your vehicle’s alarm and to enter your radio / source unit code. -
Re-connect Negative Battery Terminal
Re-connect the negative battery terminal making sure it is securely tightened.
Setup
A Open Control Panel
To gain access to the NA3 control panel carefully remove the six screws and
lift the face plate up panel mindfully put the face plate back together with
the six screws. Make sure not to over tighten.
B Settings
The illustrations below describe the various controls. Refer to the
illustration that matches your amplifier.
-
LEVEL Adjustment
The level control purpose is to match the output of your source signal to the amplifier. Refer to the section C for detailed instructions. -
x-OVER switch
This switch will set the amplifier to have a full frequency output or to filter out high or low frequencies. -
Frequencies Adjustment
The Low Pass Filter will cut off the frequencies above the setting. The High Pass Filter will cut off the frequencies below the setting. -
suBSONIC switch
The Subsonic Switch will cut off the frequencies below the setting. -
BASS Boost
The Bass EQ control will increase the power output at 45Hz for more pronounced bass. Exercise caution when using this control. Increase the level in small amounts until distortion is noticed, then back off a little.
C Level Setting
This is a critical step to insure your amplifier is properly adjusted to
match the signal output level of your source unit.
THIS IS NOT A VOLUME CONTROL!
- If possible, with the source unit off, confirm that the primary volume control is turned down (counter clockwise).
- Turn on the source unit (CD, or MP3 player). Re-confirm that the volume is turned down. Make sure the source unit controls; balance, fader, bass and treble are all set to center or “O” adjustment. Make sure that the green LED on the end of the amplifier is illuminated.
- Play a clean musical selection of which you are very familiar. CD is preferred. Do not use radio signals for level setting. Hit play and start turning the volume of the source unit up.
- Stop increasing the source unit volume when you reach 3/4 (about 75%) or until you hear speakers begin to slightly start producing distortion.
- Increase the amplifier gain (clockwise) until distortion is heard, then back the level down (counter clockwise) until the distortion is eliminated. Small adjustments may need to be made to balance the levels of multiple amplifiers.
D Remote Level Control
Some models include a bass remote. Avoid adjusting the bass remote while
operating vehicle.
WARRANTY
Maxxsonics USA Inc. warrants this product, to the original consumer purchaser, to be free from defects in material and workmanship for a period of one (1) year from the date of purchase. Maxxsonics USA Inc. will, at it’s discretion, repair or replace defective products during the warranty period. Components that prove to be defective in materials and workmanship under proper installation and use must be returned to the original authorized Maxxsonics USA Inc. retailer from where it was purchased. A photocopy of the original receipt must accompany the product being returned. The costs associated with removal, re-installation and freight are not the responsibility of Maxxsonics consequential damages connected therewith. To view the full warranty, please visit the website.
MBQuart products are designed and engineered in the USA by
www.maxxsonics.com
MBQ NA3 QSG 01 – rev4MBQuart.com
References
- MB Quart | Music. Defined. | Premium Performance Audio Store
- Maxxsonics | Powered by Maxxsonics. | Audio Stores Online