Thanks you for purchasing SoundQubed amplifiers for your car audio systems and competitions
SoundQubed will always deliver the same high quality products, and customer service you have become accustomed
to. We are excited about what the future holds for you as our customers, and for us as a company.
We want to sincerely thank you all. Our fans have made us who we are and you're the reason we love doing what we
do.
All SoundQubed amplifiers have single design purpose with the sole goal of being the best tool for the job.
SoundQubed amplifiers are designed for the highest possible efficiency and highest total output and make good
amounts of power from the stock electrical systems and designed for the most sound quality reproduction.
The high efficiency comes from paying close attention to every stage through the amplifiers' circuit,
High speed controller chipsets, efficient power devices, precise thermal management and best engineerings are
the key to SoundQubed amplifiers’ design.
● High power & sound quality digital monoblock amplifiers
● Fully working down to 4/2/1 ohm ( Linked down to 2ohm )
● 2 ~ 3oz copper printed circuit board
● High current mosfet switching devices
● 24dB/Oct precision crossover
● Oversized 0 gauge power & ground terminal
● The highest possible efficiency and quality with hand-wound
power supply transformers
● 4 ways of acurate protection circuits
▪ Speaker short
▪ DC offset
▪ Low & high voltage protection
▪ Thermal protection
● Heavy duty aluminum heatsink
● Highest quality bolt fixing Rca jack
: 20Hz ~ 250Hz
: 100dB
: 250 <
: 5V ~ 0.15V
: 24dB / Oct
: 20Hz ~ 200Hz
: 10Hz ~ 50Hz @ 24dB/ OCt
: 0 ~ 6 dB narrowed band 30~50Hz
: Included
: Yes
Specifications
Frequency Response
Signal to Noise Ratio
Damping Factor
Input Sensitivity
Low Pass Crossover
Low Pass Crossover Range
Subsonic Crossover Range
Bass Boost
Remote Controller
Output Master / Input Slave
Hand-wound Power Supply
PCB Board
Power Terminal Blocks
Working Voltage
Fuse Rating for Single
Fuse Rating for linked
Q1-1200.2Q1-750
2 pcs
1 oz
4 ga
8.5V~16V
40A x 3
240A
1 pc
1 oz
4 ga
8.5V~16V
30A x 3
180A
Q1-2200.2
2 pcs
2 oz
0 ga
8.5V~16V
200A
400A
Q1-4500
4 pcs
3 oz
0 ga x 2
8.5V~18V
400A
800A
INTRODUCTION
DESIGN FEATURES
DESIGN FEATURES
RCA JACK INPUT
Connect preamp signal cables from the headunit to RCA input
of SoundQubed amplifiers
POWER & PROTECTION INDICATOR
Power LED, Green-lit shows correct operation.
Protect LED, RED-lits shows general malfunction, faulty
connection or 4 ways protection.
GAIN ( 5V to 0.15V )
Matching the output voltage of the headunit's RCA line-outs
to SoundQubed amplifier’s input section.
SUBSONIC CROSSOVER FREQUENCY
( 10 to 50Hz @ 24dB/Oct )
Control the high pass point for the speaker outputs to to
eliminate extreme low frequencies.
BASS BOOST ( 0 to 6dB @ Narrowed band 30 to 50Hz )
It controls boost.
REMOTE LEVEL CONTROL PORT
This port is for connecting turn-down remote level control
Remote level control adjusts the level.
LPF CROSSOVER FREQUENCY ( 35 to 250Hz @ 24dB Oct )
Controls the low pass point for the speaker outputs.
OUTPUT MASTER / INPUT SLAVE
OUTPUT MASTER / INPUT SLAVE connection makes 2pcs of
soundQubed amplifiers as daisy chain connection to 2 ohm.
Do not use output master/ input slave connection as 1 ohm.
SPEAKER OUTPUTS
it connects SoundQubed amplifiers to speakers.
Minimum speaker cable is 12 gauge.
1ohm for single unit & 2 ohm for daisy chain connection
OUTPUT POWER
Output Power @ 4ohm
Output Power @ 1ohm
Linked Power @ 2ohm
Linked Power @ 2ohm Max
Q1-1200.2
510W x 1
1300W x 1
2600W x 1
5200W x 1
Q1-750
300W x 1
750W x 1
1500W x 1
3000W x 1
Q1-2200.2
770W x 1
2300W x 1
4600W x 1
9200W x 1
Q-4500
1400W x 1
4560W x 1
9120W x 1
18240W x 1
DIGITAL MONOBLOCK OUTPUT POWER
DIGITAL MONOBLOCK INPUT ENDPANEL
LR
HeadUnit Remote Control
REM ( REMOTE )
It is connected to switched +12V with a trigger cable coming from
the head unit.
SPEAKER OUTPUTS
it connects SoundQubed amplifiers to speakers.
Minimum speaker cable is 12 gauge.
All single unit of SoundQubed digital monoblock amplifiers works
to 1ohm .
All linked SoundQubed digital monoblock amplifiers work to 2ohm.
GND ( GROUND CONNECTION )
It is connected to the negative or ground cables of the Vehicle.
Recommended cable is 4 ~ 0 gauge.
+12V ( POWER CONNECTION )
This must be connected to the fuse positive terminal ( +12V ) of
the battery.
Recommended wire is 4 ~ 0 gauge.
Q2-200
: 220W x 2
: 340W x 2
: 680W x 1
: 20Hz ~ 30KHz
: 105dB
: 200 <
: 8V ~ 0.2V
: 20Hz ~ 5KHz
: HPF/FULL/LP-BP
: 50Hz ~ 5KHz
: 0 ~ 18dB
: Included.
: 2 pcs
: Double sided board
: 4 ga
: 40A x 2 pcs
Q4-90
: 90W x 4
: 130W x 4
: 260W x 2
: 20Hz ~ 30KHz
: 105dB
: 200 <
: 8V ~ 0.2V
: 20Hz ~ 5KHz
: HPF/FULL/LP-BP
: 50Hz ~ 5KHz
: 0 ~ 18dB
: Included.
: 2 pcs
: Double sided Board
: 4 ga
: 40A x 2 pcs
Q4-120
: 120W x 4
: 170W x 4
: 340W x 2
: 20Hz ~ 30KHz
: 105dB
: 200 <
: 8V ~ 0.2V
: 20Hz ~ 5KHz
: HPF/FULL/LP-BP
: 50Hz ~ 5KHz
: 0 ~ 18dB
: Included.
: 2 pcs
: Double sided Board
: 4 ga
: 40A x 2 pcs
Specifications
Power @ 4ohm
Power @ 2ohm
Power @ 4ohm mono
Frequency response
Signal to noise ratio
Damping factor
Input sensitivity
High pass filter
X-over
Low pass filter
Bass boost
Remote control
Hand-wound power supply
Printed circuit board
Power terminal blocks
Fuse rate
DIGITAL MONOBLOCK OUTPUT ENDPANEL
CLASS AB MULTI-CH SPECIFICATIONS
HeadUnit
Remote Turn on
12V Battery 12V Battery
RCA JACK INPUT
Connect preamp signal cables from the headunit to RCA input of
SoundQubed amplifier.
OUTPUT
It has line outputs to another amplifier.
POWER & PROTECTION INDICATOR
Power LED, Green-lit shows correct operation.
Protect LED, RED-lits shows general malfunction, faulty connection
or thermal protection.
GAIN ( 8V to 0.2V )
Matching the output voltage of the headunit's RCA line-outs
to SoundQubed amplifiers’ input section.
HIGH PASS FILTER ( 20Hz ~ 5KHz @ 12dB/Oct )
Control the high pass frequency for the speaker output.
X-OVER ( HPF/FULL/BP-BP )
It selects crossover as High pass, Full, Low pass and band pass filter
The selected crossover has effect and bass pass is capable.
LOW PASS FILTER ( 50Hz ~ 5KHz @ 12dB/Oct )
Control the low pass frequency for the speaker output.
BASS BOOST ( 0 to 18dB @ 45Hz )
It controls boost.
REMOTE LEVEL CONTROL PORT
This port is for connecting turn-down remote level control
Remote level control adjusts the level.
Q2-200 INPUT ENDPANEL
Q4-90 & Q4-120 INPUT ENDPANEL
CLASS AB MULTI-CH INPUT ENDPANEL
+12V ( POWER CONNECTION )
This must be connected to the positive terminal ( +12V ) of
the battery. Recommended wire is 4 gauge
FUSE( 40A x 2 )
Fuses protect the amplifiers from electrical damages.
SPEAKER OUTPUTS
it connects amplifier to speakers. Minimum speaker cable is 12 gauge.
Minimum impedance is 2ohm stereo or 4ohm mono.
GND ( GROUND CONNECTION )
It is connected to the negative or ground cables of the Vehicle.
Recommended cable is 4 gauge.
REM ( REMOTE )
It is connected to switched +12V with a trigger cable coming
from the headunit.
Q2-200 OUTPUT ENDPANEL
Q4-90 & Q4-120 OUTPUT ENDPANEL
+12V ( POWER CONNECTION )
Before mounting SoundQubed amplifiers, please disconnect the negative (-) wire from battery to protect any
accidential damage to SoundQubed amplifiers and car audio system.
Q1-750, Q1-1200.2, Q2-200, Q4-90 & Q4-120 are designed to use 4 gauge power cable and ground connection and
equipped with fuses.
Q1-2200.2 and Q1-4500 are using 0 gauge power and ground connection and not equipped with fuses
Connect the power cables to power terminal labeled as +12V.
You have to install the external fuses on the power cable for Q1-2200.2 and Q1-4500
Connect one end of fuse holders to the power cable and the other end of fuse holders to positive battery within
20cm of the same cable.
CLASS AB MULTI-CH OUTPUT ENDPANEL
POWER, GROUND, REMOTE CONNECTION
This fuse location will protect the system and the vehicle against the possibility of a short circuit in the power cable.
Be sure to use fuses and fuse holders adequate for the application.
GND ( GROUND CONNECTION )
Locate a secure grounding connection as close to amplifier as possible.
Make sure the location is clean and provides a direct electrical connection to the frame of the vehicle.
Connect one end of a short piece of the same size cable as the power cable to the grounding point.
Run the one end of the cable to the grounding point. Run the other end of the cable to the mounting
location. Connect the ground cable to the screw terminal labeled as GND.
REM ( REMOTE CONNECTION )
Run a remote turn on cable from the switched + 12V source. You will be using to turn on the system components.
This may be a toggle switch, a relay, or your source unit's remote trigger cables, or power antenna trigger cable
Connect the remote turn on cable to the power terminal labeled as REM.
*. Installation
In case, You install SoundQubed amplifiers by yourself, please read owner's manual and follow your
installation steps very carefully. Before you start your installation,
Please take all steps into consideration.
or, you can have SoundQubed authorized distritutors to check installation and set your car audio systems
*. Mounting preparation
Disconnect the negative ( ) battery cable before mounting SoundQubed amplifiers or making any connections.
Check the battery and alternator ground ( ) connections.
Make sure they are properly connected and free of corrosion before selecting a mounting location for SoundQubed
amplifiers
Please take some concerns into consideration with cooling efficiency and safety.
*. Mounting location
SoundQubed amplifiers use heavy-duty and good heat radiation heatsink design for avoiding excessive heat from
SoundQubed amplifiers’ circuitry.
But for better heat radiation performance, it is good to find the mounting location where you can install
SoundQubed amplifiers vertically with the heatsink fins and better air flow around SoundQubed amplifiers.
For the safety, You have to find dry and well ventilated location and make sure any cables and car equipment are not
interfaced with mounting location.
Be sure the mounting location and drilling of pilot cables for mounting will not present a hazard to any cables, control
cables, fuel lines, Fuel tanks, hydraulic lines or other vehicle systems or components
INSTALLATION
SoundQubed amplifiers are recommended to use 12 gauge or thicker speaker connecting cables.
Run 12 gauge speaker connecting cables from your speakers to SoundQubed amplifiers’ mounting location.
Keep speaker cables away from power cables and SoundQubed amplifiers’ input cables.
Use grommets anywhere the cables have to pass through the holes in the metal frame or sheet metal.
Connect to the speakers according to the type of the terminals on each speaker.
Strip 3/8" of insulation from the end of each cable and twist the cables strands together tightly.
Make sure there insulation from the end of each cable and twist the cables together tightly.
Make sure there are no stray strands that might touch other cables or terminals and cause a short circuit.
Crimp spade lugs over the cable ends or tin the ends with solder to provide a secure termination
Connect the cable ends to SoundQubed amplifiers as speaker system diagram.
DIGITAL MONOBLOCK’S SPEAKER CONNECTIONS
DIGITAL MONOBLOCK’S SPEAKER CONNECTION DIAGRAM
8 ~ 2 ohms
4 ~ 1 ohms
8 ~ 2 ohms
SoundQubed MASTER AMPLIFIER
SoundQubed SLAVE AMPLIFIER
DIGITAL MONOBLOCK’S LINKABLE CONNECTIONS
SoundQubed linkable connection makes 2pcs of SoundQubed amplifiers to 2 ohm and double output power of single
unit’s 1ohm power.
Please read the following connection and diagram carefully to make correct connection.
Digital monoblock’s input connection
Step 1. Connecting master amplifier to the headunit
Step 2. Set master amplifier’s output master and input slave switch to output master position
Step 3. Connect the master and slave amplifiers’s rca jack as diagram
Step 4. Set slave amplifier’s output master and input slave switch to input slave position
LR
HeadUnit
Remote Control
SoundQubed MASTER AMPLIFIER
SoundQubed SLAVE AMPLIFIER
HeadUnit
Remote Turn on
12V Battery
12V Battery
Digital monoblock’s output connection
Please make sure the subwoofer speakers’ impedance
Linakble minimum impedance is 1ohm and connect cables as following
Step 1. Connect speaker cable ( + ) on master amplifier to subwoofer ( + )
Step 2. Connect speaker cable ( + ) on slave amplifier to subwoofer ( )
Step 3. Connect speaker cable ( ) on master amplifier to speaker cable ( ) on slave amplifier
8 ~ 2 ohms
NO SOUND ( NO OUTPUT )
1) Check all connections, cables' routing, short, voltage at SoundQubed amplifiers and headunit
2) Check fuses ,If they are blown, pls replace with new one.
3) Check whether the speakers work well, you can test the speakers by connecting to another amplifier.
PROTECTION
SoundQubed amplifiers have the safest protection circuits.
When the amplifier is shutdown, Protection LED ( RED light ) is turned on on endpanel.
SoundQubed amplifiers will be back on, when resetting headunit by turning off and on if there is no circuit fault.
1) Overload : make sure the recommended subwoofer speaker’s minimum impedance and do not use lower than
recommended ( minimum ) impedance
Single unit of SoundQubed amplifier recommended subwoofer speaker‘s impedance is 1ohm.
Linked SoundQubed amplifiers’ recommended subwoofer speaker‘s impedance is 2ohm.
Q2-200, Q4-90 & Q4-120 amplifier’s minimum impedance is 2ohm stereo or 4ohm mono.
2) Overheat ( Thermal ) : SoundQubed amplifiers will be on some minutes later when they are shut down due to
overheat. For better heat disspation, Pls make better airflow and no obstruction around SoundQubed amplifiers.
3) Speaker Short : Pls make sure the speaker wire connection and re-route speaker wires
4) DC offset : When oer 4V DC, SoundQubed amplifiers will be protected. Pls check whether SoundQubed amplifiers
work after removing RCA-input.
If SoundQubed amplifiers work after removing RCA-input, then pls measure DC by checking RCA-input L and R.
DC is over 4V at input, Pls try by replacing headunit or source unit.
5) High & Low voltage protection : SoundQubed amplifiers have high and low voltage protection
Q1-750, Q1-1200.2 and Q1-2200.2 have voltage protection range from 8.5 ~ 16 Volts, Q1-4500 has 8.5 ~ 18 Volts
So make sure the battery voltage whether they are within recommended voltage ranges
NOISE PROBLEMS SOUND
1) Readjust input level and check the speaker quality at another amplifier.
Pls replace poor quality speakers with good quality ones
2) Pls check ground contact between SoundQubed amplifiers and headunit.
3) Pls check Rca Jack and repalce with new one or re-route Rca Jack cable.
4) Engine noise is caused by poor grounding of amplifiers, headunit, other components, battery or alternator,
so pls check all grounding connection.
POOR BASS RESPONSE
1) Pls check speaker cables and reverse polarity of one channel
TROUBLE SHOOTING TIPS
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Shott BP-50HS-A Owner's manual
- Category
- Car audio amplifiers
- Type
- Owner's manual
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