MB QUART RA1-150.2 Bedienungsanleitung

Quick Start

Installation Guide

RA1-150.2

RA1-280.4

RA1-300.1

RA1-750.1

RA1-710. 5

Place terminal in a secure

position so that it won’t

accidentally contact the

negative battery post

Power cable size

It is critical to use the proper power

and ground cable. Select the size

listed here for your amplier model.

Always use high quality copper cable.

Power cable size and fuse size based on a 17ft power (B+) (OFC) cable

length and 18-inch ground (OFC) oxygen free cable.

Any other lengths used please consult a certied professional installer.

Properly route power,

speaker and RCA cables

through the vehicle.

Choose a mounting location

that will provide adequate air

ventilation. Mount the amplier to

a secure surface. Do not mount

the amplier upside down.

Disconnect

Negative Battery

Terminal

Run Cables

Mount Amplier

Installation

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.

4ga

Cable Size

RA1-150.2

RA1-280.4

R A1- 30 0.1

RA1-750.1

RA1-710.5

20a External

40a External

80a External

Congratulations on your choice of a MBQuart amplier. 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 conguration

and full specications by model please visit our website at www.MBQuart.com

Model Fuse Size

Connect the RCA cables to the

INPUT connectors.

Signal Input

Connection

Attach the chassis ground

cable to the amplier

negative terminal. It is

important to make sure this

connection is very tight.

Bare metal

Attach the main power cable

to the amplier +12V. The

cable must run directly to

the battery and be properly

fused and be very tight.

Attach the remote turn on

wire to the amplier remote

output of the source unit.

The chassis ground connection

is critical to the performance

of the amplier. Choose a

location that is close to the

amplier. Completely scrape

away the paint and use a nut

and bolt if possible.

DO NOT USE AN EXISTING

FACTORY BOLT!

Negative Power

Connection

Positive Power

Connection

Remote Turn-on

Connection

Chassis Ground

Turn the LEVEL control completely

counter-clockwise to minimum.

Level Control

6V 0.2V

LEVEL

BASS EQ

0 12dB30 250Hz

LPF

60 1.2KHz

HPF

CHANNEL 1/2

6V 0.2V

LEVEL BASS EQ

0 12dB 30 250Hz

LPF

60 1.2KHz

HPF

CHANNEL 3/4

FULL

LPF

HPF

X-OVER

FULL

LPF

HPF

X-OVER

2CH 4CH3CH

MODE

6V 0.2V

LEVEL

BASS EQ

0 12dB30 250Hz

LPF

60 1.2KHz

HPF

CHANNEL 1/2

6V 0.2V

LEVEL BASS EQ

0 12dB 30 250Hz

LPF

60 1.2KHz

HPF

CHANNEL 3/4

FULL

LPF

HPF

X-OVER

FULL

LPF

HPF

X-OVER

2CH 4CH3CH

MODE

FULL LPF HPF

XOVER

MONOSTEREO

MODE

40 300Hz

LPF

10 40Hz

SUBSONIC

6V 0.2V

LEVEL

BASS EQ

0 9dB30 250Hz

LPF

60 1.2KHz

HPF

CHANNEL 1/2

6V 0.2V

LEVEL

BASS EQ

0 9dB

CHANNEL 3/4

HPF

LPF

FULL

X-OVER

4CH 2CH

MODE

6V 0.2V

LEVEL

BASS EQ

0 9dB30 250Hz

LPF

60 1.2KHz

HPF

CHANNEL 1/2

6V 0.2V

LEVEL

BASS EQ

0 9dB

CHANNEL 3/4

FULL LPF HPF

X-OVER

FULL LPF HPF

X-OVER

FULL LPF HPF

X-OVER

4CH 2CH

MODE

FULL LPF HPF

XOVER

MONOSTEREO

MODE

40 300Hz

LPF

10 40Hz

SUBSONIC

FULL HP LP

CROSSOVER

MODE

FULL HP LP

CROSSOVER

MODE

FULL HP LP

CROSSOVER

MODE

CH3&4 LOW PASS

MODE

STEREO

MONO

BASS EQ

0 +12

BASS EQ

0 +9

SUBSONIC

FREQUENCY

15Hz 40Hz

LOW PASS

FREQUENCY

50Hz 250Hz

30 250Hz

LPF

60 1.2KHz

HPF

30 250Hz

LPF

60 1.2KHz

HPF

LEVEL

RANGE

INPUT

LEVEL

4-12V

0.2-4V

12 V 4

4 V 0.2

50Hz 250Hz

CROSSOVER

FREQUENCY

50Hz 250Hz

CROSSOVER

FREQUENCY

FULL HP LP

CROSSOVER

MODE

CROSSOVER

FREQUENCY

50Hz 250Hz

HIGH

PASS

50Hz 250Hz

LEVEL

RANGE

INPUT

LEVEL

4-12V

0.2-4V

12 V 4

4 V 0.2

FULL HP LP

CROSSOVER

MODE

BASS EQ

0 +9 50Hz 250Hz

CROSSOVER

FREQUENCY

LEVEL

RANGE

INPUT

LEVEL

4-12V

0.2-4V

12 V 4

4 V 0.2

FULL HP LP

CROSSOVER

MODE

BASS EQ

0 +9

BASS EQ

0 +12

50Hz 250Hz

CROSSOVER

FREQUENCY

LEVEL

RANGE

INPUT

LEVEL

4-12V

0.2-4V

12 V 4

4 V 0.2

LEVEL

RANGE

INPUT

LEVEL

4-12V

0.2-4V

12 V 4

4 V 0.2

LOW

PASS

50Hz 250Hz

LEVEL

RANGE

INPUT

LEVEL

4-12V

0.2-4V

12 V 4

4 V 0.2

HIGH

PASS

50Hz 250Hz

LEVEL

RANGE

INPUT

LEVEL

4-12V

0.2-4V

12 V 4

4 V 0.2

FULL HP LP

CROSSOVER

MODE

BASS EQ

0 +9 50Hz 250Hz

CROSSOVER

FREQUENCY

LEVEL

RANGE

INPUT

LEVEL

4-12V

0.2-4V

12 V 4

4 V 0.2

SUBSONIC

15Hz 40Hz

Connect the power cable to the positive

battery terminal. The power cable must

be fused within 18 inches of the battery

terminal.

Re-connect the negative battery

terminal making sure it is securely

tightened.

Positive Battery

Connection

Re-connect

Negative Battery

Terminal

Be prepared to disarm your vehicle’s alarm and

to enter your radio / source unit code.

2ch - Full Range

4ch - Full Range

4ch - Mixed Mono

Mono

5 ch

BRIDGED

CH1 CH2

BRIDGED

CH1 CH2

SPEAKER OUTPUT

SPEAKER OUTPUT SPEAKER OUTPUT

SPEAKER OUTPUT

SPEAKER

LEFT RIGHT

BRIDGED

OUTPUT

SPEAKER

LEFT RIGHT

BRIDGED

OUTPUT

SPEAKER

LEFT RIGHT

BRIDGED

OUTPUT

SPEAKER

LEFT RIGHTCH1/2 CH3/4 CH3/4

BRIDGED

OUTPUT SPEAKER

LEFT RIGHT

BRIDGED

Speakers Subwoofer

OUTPUT

SPEAKER

CH 1 CH 2

BRIDGED

CH 3 CH 4

BRIDGED

OUTPUT

SPEAKER OUTPUT

CH 3 CH 4

BRIDGED

SPEAKER OUTPUT

CH 1 CH 2

SPEAKER OUTPUT

CH 3 CH 4

SPEAKER OUTPUT

CH 5

SPEAKER

LEFT RIGHT

BRIDGED

OUTPUT

SPEAKER OUTPUT

Speakers Subwoofer

CH 1 CH 2 CH 3 CH 4 CH 5

BRIDGED

CH1 CH2

BRIDGED

CH3 CH4

BRIDGED

CH1 CH2

BRIDGED

CH3 CH4

SPEAKER OUTPUT

BRIDGED

CH1 CH2

BRIDGED

CH1 CH2

SPEAKER OUTPUT

SPEAKER OUTPUT SPEAKER OUTPUT

SPEAKER OUTPUT

SPEAKER

LEFT RIGHT

BRIDGED

OUTPUT

SPEAKER

LEFT RIGHT

BRIDGED

OUTPUT

SPEAKER

LEFT RIGHT

BRIDGED

OUTPUT

SPEAKER

LEFT RIGHTCH1/2 CH3/4 CH3/4

BRIDGED

OUTPUT SPEAKER

LEFT RIGHT

BRIDGED

Speakers Subwoofer

OUTPUT

SPEAKER

CH 1 CH 2

BRIDGED

CH 3 CH 4

BRIDGED

OUTPUT

SPEAKER OUTPUT

CH 3 CH 4

BRIDGED

SPEAKER OUTPUT

CH 1 CH 2

SPEAKER OUTPUT

CH 3 CH 4

SPEAKER OUTPUT

CH 5

SPEAKER

LEFT RIGHT

BRIDGED

OUTPUT

SPEAKER OUTPUT

Speakers Subwoofer

CH 1 CH 2 CH 3 CH 4 CH 5

BRIDGED

CH1 CH2

BRIDGED

CH3 CH4

BRIDGED

CH1 CH2

BRIDGED

CH3 CH4

SPEAKER OUTPUT

BRIDGED

CH1 CH2

BRIDGED

CH1 CH2

SPEAKER OUTPUT

SPEAKER OUTPUT SPEAKER OUTPUT

SPEAKER OUTPUT

SPEAKER

LEFT RIGHT

BRIDGED

OUTPUT

SPEAKER

LEFT RIGHT

BRIDGED

OUTPUT

SPEAKER

LEFT RIGHT

BRIDGED

OUTPUT

SPEAKER

LEFT RIGHTCH1/2 CH3/4 CH3/4

BRIDGED

OUTPUT SPEAKER

LEFT RIGHT

BRIDGED

Speakers Subwoofer

OUTPUT

SPEAKER

CH 1 CH 2

BRIDGED

CH 3 CH 4

BRIDGED

OUTPUT

SPEAKER OUTPUT

CH 3 CH 4

BRIDGED

SPEAKER OUTPUT

CH 1 CH 2

SPEAKER OUTPUT

CH 3 CH 4

SPEAKER OUTPUT

CH 5

SPEAKER

LEFT RIGHT

BRIDGED

OUTPUT

SPEAKER OUTPUT

Speakers Subwoofer

CH 1 CH 2 CH 3 CH 4 CH 5

BRIDGED

CH1 CH2

BRIDGED

CH3 CH4

BRIDGED

CH1 CH2

BRIDGED

CH3 CH4

SPEAKER OUTPUT

BRIDGED

CH1 CH2

BRIDGED

CH1 CH2

SPEAKER OUTPUT

SPEAKER OUTPUT SPEAKER OUTPUT

SPEAKER OUTPUT

SPEAKER

LEFT RIGHT

BRIDGED

OUTPUT

SPEAKER

LEFT RIGHT

BRIDGED

OUTPUT

SPEAKER

LEFT RIGHT

BRIDGED

OUTPUT

SPEAKER

LEFT RIGHTCH1/2 CH3/4 CH3/4

BRIDGED

OUTPUT SPEAKER

LEFT RIGHT

BRIDGED

Speakers Subwoofer

OUTPUT

SPEAKER

CH 1 CH 2

BRIDGED

CH 3 CH 4

BRIDGED

OUTPUT

SPEAKER OUTPUT

CH 3 CH 4

BRIDGED

SPEAKER OUTPUT

CH 1 CH 2

SPEAKER OUTPUT

CH 3 CH 4

SPEAKER OUTPUT

CH 5

SPEAKER

LEFT RIGHT

BRIDGED

OUTPUT

SPEAKER OUTPUT

Speakers Subwoofer

CH 1 CH 2 CH 3 CH 4 CH 5

BRIDGED

CH1 CH2

BRIDGED

CH3 CH4

BRIDGED

CH1 CH2

BRIDGED

CH3 CH4

SPEAKER OUTPUT

BRIDGED

CH1 CH2

BRIDGED

CH1 CH2

SPEAKER OUTPUT

SPEAKER OUTPUT SPEAKER OUTPUT

SPEAKER OUTPUT

SPEAKER

LEFT RIGHT

BRIDGED

OUTPUT

SPEAKER

LEFT RIGHT

BRIDGED

OUTPUT

SPEAKER

LEFT RIGHT

BRIDGED

OUTPUT

SPEAKER

LEFT RIGHTCH1/2 CH3/4 CH3/4

BRIDGED

OUTPUT SPEAKER

LEFT RIGHT

BRIDGED

Speakers Subwoofer

OUTPUT

SPEAKER

CH 1 CH 2

BRIDGED

CH 3 CH 4

BRIDGED

OUTPUT

SPEAKER OUTPUT

CH 3 CH 4

BRIDGED

SPEAKER OUTPUT

CH 1 CH 2

SPEAKER OUTPUT

CH 3 CH 4

SPEAKER OUTPUT

CH 5

SPEAKER

LEFT RIGHT

BRIDGED

OUTPUT

SPEAKER OUTPUT

Speakers Subwoofer

CH 1 CH 2 CH 3 CH 4 CH 5

BRIDGED

CH1 CH2

BRIDGED

CH3 CH4

BRIDGED

CH1 CH2

BRIDGED

CH3 CH4

SPEAKER OUTPUT

BRIDGED

CH1 CH2

BRIDGED

CH1 CH2

SPEAKER OUTPUT

SPEAKER OUTPUT SPEAKER OUTPUT

SPEAKER OUTPUT

SPEAKER

LEFT RIGHT

BRIDGED

OUTPUT

SPEAKER

LEFT RIGHT

BRIDGED

OUTPUT

SPEAKER

LEFT RIGHT

BRIDGED

OUTPUT

SPEAKER

LEFT RIGHTCH1/2 CH3/4 CH3/4

BRIDGED

OUTPUT SPEAKER

LEFT RIGHT

BRIDGED

Speakers Subwoofer

OUTPUT

SPEAKER

CH 1 CH 2

BRIDGED

CH 3 CH 4

BRIDGED

OUTPUT

SPEAKER OUTPUT

CH 3 CH 4

BRIDGED

SPEAKER OUTPUT

CH 1 CH 2

SPEAKER OUTPUT

CH 3 CH 4

SPEAKER OUTPUT

CH 5

SPEAKER

LEFT RIGHT

BRIDGED

OUTPUT

SPEAKER OUTPUT

Speakers Subwoofer

CH 1 CH 2 CH 3 CH 4 CH 5

BRIDGED

CH1 CH2

BRIDGED

CH3 CH4

BRIDGED

CH1 CH2

BRIDGED

CH3 CH4

SPEAKER OUTPUT

6V 0.2V

LEVEL

BASS EQ

0 12dB30 250Hz

LPF

60 1.2KHz

HPF

CHANNEL 1/2

6V 0.2V

LEVEL BASS EQ

0 12dB 30 250Hz

LPF

60 1.2KHz

HPF

CHANNEL 3/4

FULL

LPF

HPF

X-OVER

FULL

LPF

HPF

X-OVER

2CH 4CH3CH

MODE

6V 0.2V

LEVEL

BASS EQ

0 12dB30 250Hz

LPF

60 1.2KHz

HPF

CHANNEL 1/2

6V 0.2V

LEVEL BASS EQ

0 12dB 30 250Hz

LPF

60 1.2KHz

HPF

CHANNEL 3/4

FULL

LPF

HPF

X-OVER

FULL

LPF

HPF

X-OVER

2CH 4CH3CH

MODE

FULL LPF HPF

XOVER

MONOSTEREO

MODE

40 300Hz

LPF

10 40Hz

SUBSONIC

6V 0.2V

LEVEL

BASS EQ

0 9dB30 250Hz

LPF

60 1.2KHz

HPF

CHANNEL 1/2

6V 0.2V

LEVEL

BASS EQ

0 9dB

CHANNEL 3/4

HPF

LPF

FULL

X-OVER

4CH 2CH

MODE

6V 0.2V

LEVEL

BASS EQ

0 9dB30 250Hz

LPF

60 1.2KHz

HPF

CHANNEL 1/2

6V 0.2V

LEVEL

BASS EQ

0 9dB

CHANNEL 3/4

FULL LPF HPF

X-OVER

FULL LPF HPF

X-OVER

FULL LPF HPF

X-OVER

4CH 2CH

MODE

FULL LPF HPF

XOVER

MONOSTEREO

MODE

40 300Hz

LPF

10 40Hz

SUBSONIC

FULL HP LP

CROSSOVER

MODE

FULL HP LP

CROSSOVER

MODE

FULL HP LP

CROSSOVER

MODE

CH3&4 LOW PASS

MODE

STEREO

MONO

BASS EQ

0 +12

BASS EQ

0 +9

SUBSONIC

FREQUENCY

15Hz 40Hz

LOW PASS

FREQUENCY

50Hz 250Hz

30 250Hz

LPF

60 1.2KHz

HPF

30 250Hz

LPF

60 1.2KHz

HPF

LEVEL

RANGE

INPUT

LEVEL

4-12V

0.2-4V

12 V 4

4 V 0.2

50Hz 250Hz

CROSSOVER

FREQUENCY

50Hz 250Hz

CROSSOVER

FREQUENCY

FULL HP LP

CROSSOVER

MODE

CROSSOVER

FREQUENCY

50Hz 250Hz

HIGH

PASS

50Hz 250Hz

LEVEL

RANGE

INPUT

LEVEL

4-12V

0.2-4V

12 V 4

4 V 0.2

FULL HP LP

CROSSOVER

MODE

BASS EQ

0 +9 50Hz 250Hz

CROSSOVER

FREQUENCY

LEVEL

RANGE

INPUT

LEVEL

4-12V

0.2-4V

12 V 4

4 V 0.2

FULL HP LP

CROSSOVER

MODE

BASS EQ

0 +9

BASS EQ

0 +12

50Hz 250Hz

CROSSOVER

FREQUENCY

LEVEL

RANGE

INPUT

LEVEL

4-12V

0.2-4V

12 V 4

4 V 0.2

LEVEL

RANGE

INPUT

LEVEL

4-12V

0.2-4V

12 V 4

4 V 0.2

LOW

PASS

50Hz 250Hz

LEVEL

RANGE

INPUT

LEVEL

4-12V

0.2-4V

12 V 4

4 V 0.2

HIGH

PASS

50Hz 250Hz

LEVEL

RANGE

INPUT

LEVEL

4-12V

0.2-4V

12 V 4

4 V 0.2

FULL HP LP

CROSSOVER

MODE

BASS EQ

0 +9 50Hz 250Hz

CROSSOVER

FREQUENCY

LEVEL

RANGE

INPUT

LEVEL

4-12V

0.2-4V

12 V 4

4 V 0.2

SUBSONIC

15Hz 40Hz

6V 0.2V

LEVEL

BASS EQ

0 12dB30 250Hz

LPF

60 1.2KHz

HPF

CHANNEL 1/2

6V 0.2V

LEVEL BASS EQ

0 12dB 30 250Hz

LPF

60 1.2KHz

HPF

CHANNEL 3/4

FULL

LPF

HPF

X-OVER

FULL

LPF

HPF

X-OVER

2CH 4CH3CH

MODE

6V 0.2V

LEVEL

BASS EQ

0 12dB30 250Hz

LPF

60 1.2KHz

HPF

CHANNEL 1/2

6V 0.2V

LEVEL BASS EQ

0 12dB 30 250Hz

LPF

60 1.2KHz

HPF

CHANNEL 3/4

FULL

LPF

HPF

X-OVER

FULL

LPF

HPF

X-OVER

2CH 4CH3CH

MODE

FULL LPF HPF

XOVER

MONOSTEREO

MODE

40 300Hz

LPF

10 40Hz

SUBSONIC

6V 0.2V

LEVEL

BASS EQ

0 9dB30 250Hz

LPF

60 1.2KHz

HPF

CHANNEL 1/2

6V 0.2V

LEVEL

BASS EQ

0 9dB

CHANNEL 3/4

HPF

LPF

FULL

X-OVER

4CH 2CH

MODE

6V 0.2V

LEVEL

BASS EQ

0 9dB30 250Hz

LPF

60 1.2KHz

HPF

CHANNEL 1/2

6V 0.2V

LEVEL

BASS EQ

0 9dB

CHANNEL 3/4

FULL LPF HPF

X-OVER

FULL LPF HPF

X-OVER

FULL LPF HPF

X-OVER

4CH 2CH

MODE

FULL LPF HPF

XOVER

MONOSTEREO

MODE

40 300Hz

LPF

10 40Hz

SUBSONIC

FULL HP LP

CROSSOVER

MODE

FULL HP LP

CROSSOVER

MODE

FULL HP LP

CROSSOVER

MODE

CH3&4 LOW PASS

MODE

STEREO

MONO

BASS EQ

0 +12

BASS EQ

0 +9

SUBSONIC

FREQUENCY

15Hz 40Hz

LOW PASS

FREQUENCY

50Hz 250Hz

30 250Hz

LPF

60 1.2KHz

HPF

30 250Hz

LPF

60 1.2KHz

HPF

LEVEL

RANGE

INPUT

LEVEL

4-12V

0.2-4V

12 V 4

4 V 0.2

50Hz 250Hz

CROSSOVER

FREQUENCY

50Hz 250Hz

CROSSOVER

FREQUENCY

FULL HP LP

CROSSOVER

MODE

CROSSOVER

FREQUENCY

50Hz 250Hz

HIGH

PASS

50Hz 250Hz

LEVEL

RANGE

INPUT

LEVEL

4-12V

0.2-4V

12 V 4

4 V 0.2

FULL HP LP

CROSSOVER

MODE

BASS EQ

0 +9 50Hz 250Hz

CROSSOVER

FREQUENCY

LEVEL

RANGE

INPUT

LEVEL

4-12V

0.2-4V

12 V 4

4 V 0.2

FULL HP LP

CROSSOVER

MODE

BASS EQ

0 +9

BASS EQ

0 +12

50Hz 250Hz

CROSSOVER

FREQUENCY

LEVEL

RANGE

INPUT

LEVEL

4-12V

0.2-4V

12 V 4

4 V 0.2

LEVEL

RANGE

INPUT

LEVEL

4-12V

0.2-4V

12 V 4

4 V 0.2

LOW

PASS

50Hz 250Hz

LEVEL

RANGE

INPUT

LEVEL

4-12V

0.2-4V

12 V 4

4 V 0.2

HIGH

PASS

50Hz 250Hz

LEVEL

RANGE

INPUT

LEVEL

4-12V

0.2-4V

12 V 4

4 V 0.2

FULL HP LP

CROSSOVER

MODE

BASS EQ

0 +9 50Hz 250Hz

CROSSOVER

FREQUENCY

LEVEL

RANGE

INPUT

LEVEL

4-12V

0.2-4V

12 V 4

4 V 0.2

SUBSONIC

15Hz 40Hz

6V 0.2V

LEVEL

BASS EQ

0 12dB30 250Hz

LPF

60 1.2KHz

HPF

CHANNEL 1/2

6V 0.2V

LEVEL BASS EQ

0 12dB 30 250Hz

LPF

60 1.2KHz

HPF

CHANNEL 3/4

FULL

LPF

HPF

X-OVER

FULL

LPF

HPF

X-OVER

2CH 4CH3CH

MODE

6V 0.2V

LEVEL

BASS EQ

0 12dB30 250Hz

LPF

60 1.2KHz

HPF

CHANNEL 1/2

6V 0.2V

LEVEL BASS EQ

0 12dB 30 250Hz

LPF

60 1.2KHz

HPF

CHANNEL 3/4

FULL

LPF

HPF

X-OVER

FULL

LPF

HPF

X-OVER

2CH 4CH3CH

MODE

FULL LPF HPF

XOVER

MONOSTEREO

MODE

40 300Hz

LPF

10 40Hz

SUBSONIC

6V 0.2V

LEVEL

BASS EQ

0 9dB30 250Hz

LPF

60 1.2KHz

HPF

CHANNEL 1/2

6V 0.2V

LEVEL

BASS EQ

0 9dB

CHANNEL 3/4

HPF

LPF

FULL

X-OVER

4CH 2CH

MODE

6V 0.2V

LEVEL

BASS EQ

0 9dB30 250Hz

LPF

60 1.2KHz

HPF

CHANNEL 1/2

6V 0.2V

LEVEL

BASS EQ

0 9dB

CHANNEL 3/4

FULL LPF HPF

X-OVER

FULL LPF HPF

X-OVER

FULL LPF HPF

X-OVER

4CH 2CH

MODE

FULL LPF HPF

XOVER

MONOSTEREO

MODE

40 300Hz

LPF

10 40Hz

SUBSONIC

FULL HP LP

CROSSOVER

MODE

FULL HP LP

CROSSOVER

MODE

FULL HP LP

CROSSOVER

MODE

CH3&4 LOW PASS

MODE

STEREO

MONO

BASS EQ

0 +12

BASS EQ

0 +9

SUBSONIC

FREQUENCY

15Hz 40Hz

LOW PASS

FREQUENCY

50Hz 250Hz

30 250Hz

LPF

60 1.2KHz

HPF

30 250Hz

LPF

60 1.2KHz

HPF

LEVEL

RANGE

INPUT

LEVEL

4-12V

0.2-4V

12 V 4

4 V 0.2

50Hz 250Hz

CROSSOVER

FREQUENCY

50Hz 250Hz

CROSSOVER

FREQUENCY

FULL HP LP

CROSSOVER

MODE

CROSSOVER

FREQUENCY

50Hz 250Hz

HIGH

PASS

50Hz 250Hz

LEVEL

RANGE

INPUT

LEVEL

4-12V

0.2-4V

12 V 4

4 V 0.2

FULL HP LP

CROSSOVER

MODE

BASS EQ

0 +9 50Hz 250Hz

CROSSOVER

FREQUENCY

LEVEL

RANGE

INPUT

LEVEL

4-12V

0.2-4V

12 V 4

4 V 0.2

FULL HP LP

CROSSOVER

MODE

BASS EQ

0 +9

BASS EQ

0 +12

50Hz 250Hz

CROSSOVER

FREQUENCY

LEVEL

RANGE

INPUT

LEVEL

4-12V

0.2-4V

12 V 4

4 V 0.2

LEVEL

RANGE

INPUT

LEVEL

4-12V

0.2-4V

12 V 4

4 V 0.2

LOW

PASS

50Hz 250Hz

LEVEL

RANGE

INPUT

LEVEL

4-12V

0.2-4V

12 V 4

4 V 0.2

HIGH

PASS

50Hz 250Hz

LEVEL

RANGE

INPUT

LEVEL

4-12V

0.2-4V

12 V 4

4 V 0.2

FULL HP LP

CROSSOVER

MODE

BASS EQ

0 +9 50Hz 250Hz

CROSSOVER

FREQUENCY

LEVEL

RANGE

INPUT

LEVEL

4-12V

0.2-4V

12 V 4

4 V 0.2

SUBSONIC

15Hz 40Hz

Set INPUT MODE switch to 4CH.

Set CH3&4 LOW PASS MODE.

Set INPUT MODE switch to 4CH.

Set CH3&4 LOW PASS MODE.

Set INPUT MODE to 5CH.

Set CH1&2 and CH3&4 CROSSOVER switch to HP.

Common System Setup

22 2

33 3

1 1 1

mixed monofull range

5ch

mixed monofull range

5ch

mixed monofull range

5ch

Setup

The illustrations below describe the various controls. Refer to

the illustration that matches your amplier.

The level control purpose is to match the output of your source signal to the

amplier. Refer to the section C for detailed instructions.

This switch will set the amplier to have a full frequency output or to lter out high

or low frequencies.

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.

Settings

LEVEL Adjustment

RA1-300.1 / RA1-750.1

RA1-280.4 RA1-710.5

RA1-150.2

X-OVER Switch

BASS BOOST

The Low Pass Filter will cut off the frequencies above the setting. The High Pass

Filter will cut off the frequencies below the setting.

The Subsonic Switch will cut off the frequencies below the setting.

Frequencies Adjustment

SUBSONIC Switch

To gain access to the RA1

amplier series top mount setting

control panel carefully remove

the four screws and lift the face

plate up.

When you’re nished with the control

panel mindfully put the face plate

back together with the four screws.

Make sure not to over tighten.

Open Control

Panel

22 2

33 3

1 1 1

22 2

33 3

1 1 1

2 2

3 3

1 1

2 2

3 3

1 1

1. If possible, with the source unit off, conrm that the primary volume control is

turned down (counter clockwise).

2. Turn on the source unit (CD, or MP3 player). Re-conrm that the volume is

turned down. Make sure the source unit controls; balance, fader, bass and

treble are all set to center or “0” adjustment. Make sure that the green LED on

the end of the amplier is illuminated.

3. 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.

4. Stop increasing the source unit volume when you reach 3/4 (about 75%) or until

you hear speakers begin to slightly start producing distortion.

5. Increase the amplier 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 ampliers.

This is a critical step to insure your amplier

is properly adjusted to match the signal

output level of your source unit.

THIS IS NOT A VOLUME CONTROL!

Level Setting

FRONT

REAR

INPUT

GAIN

MIN MAX

LPF

50Hz 150Hz

SUBSONIC

15Hz 50Hz

SUBSONIC

15Hz 300Hz

FRONT

GAIN

MIN MAX

REAR

GAIN

MIN MAX

BOOST

0dB 12dB

X-OVER

LPF FULL

FRONT

X-OVER

HPF FULL

REAR

X-OVER

HPF FULL

Some models include a bass

remote. Avoid adjusting the bass

remote while operating vehicle.

REM turn on

SIGNAL SENSE ON, High level

input DC turn on

Remote Level

Control

Turn on Mode

22 2

33 3

1 1 1

NOTE - If the RCA’s are plugged into the amplier and the

TURN ON MODE is in the DC ON position, the amplier

will NOT turn on. Please re-read this document or hire a

professional installer.

REM TURN ON / DC SENSE ON SWITCH

There are two methods of switching the amplier on and off. Select

the appropriate position suited for your application.

REM TURN ON

This will turn on the amplier when a +12v switched power typically

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 the source units that do not offer

RCA outputs.

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 bedefective in materials and workmanshipunderproper 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

USA Inc. This warranty is limited to defective parts and specically excludes any incidental or

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 RA1 QSG 01 - rev1

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