since 1988
the sound
High-Performance
Car- amplifier
owner‘s manual
R
by Audio system
x
X-150.2 D
X-80. 4 D
designed and engineered by audio system Germany
x
by Au dio sys tem
featu res
Congratulation on your purchase of your new x Series amplifier.
IMPORTANT: Before installation your power amplifier, we recommend to read the owner´s manual carefully and to
follow the instructions regarding connection and fitting exactly.
ATTENTION: Pay attention to advices and instructions of the car manufacturer.
IMPORTANT: Your proof of purchase is evidence of warranty claim for repair or replacement. Keep your proof of
purchase, manual and original packaging.
ATTENTION: Use of sound components can impair your ability to hear necessary traffic sounds and may constitute a
hazard while driving your automobile.
Audio SystemGermany accepts no liability for hearing loss, bodily injury or property damage as
a result of use or misuse of our products. We recommend installing the equipment by an authorized service center or
dealer. A professional fitting and connection is the requirement for further warranty and perfect sound.
X-150.2 D
- 2-Channel High-Power Full-Range Digital amplifier
- Stable into 2 ohm stereo per channel and 4 ohm bridged mode
- Variable switchable Low Pass Filter from 40 to 450 Hz
- Variable switchable High Pass Filter from 20 to 4500 Hz
- Input Sensitivity: variable 200 mV maximum to 8 V minimum
- Multi-Way Protection Circuitry: overheating, overcurrent, short circuitry and
speaker DC protection
- Operating Voltage : DC 10 ~ 16 V power input
- Wired Remote Control RTC (optional)
- High-Power-Input (normally originial radio) with automatically „Turn-On“
- Adaptercable HLAC and rca hi (optional)
X-80.4 d.
- 4-Channel High-Power Full-Range Digital amplifier
- Stable into 2 ohm stereo per channel and 4 ohm bridged mode
- Variable switchable Low Pass Filter from 40 to 4500 Hz
- Variable switchable High Pass Filter from 20 to 4500 Hz
- Input Sensitivity: variable 500 mV maximum to 4 V minimum
- Multi-Way Protection Circuitry: overheating, overcurrent, short circuitry and
speaker DC protection
- Operating Voltage : DC 10 ~ 16 V power input
- Wired Remote Control RTC (optional)
- High-Power-Input (normally originial radio) with automatically „Turn-On“
- Adaptercable HLAC and rca hi (optional)
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Power c onnec tion
x
by Au dio sys tem
X-150.2 D / X-80.4 D.
1. Battery disconnection:
REM
GND
remote connection
HEAD UNIT
fuse
Max .
30 cm
BATTERY
+12V
GROUND
3. +12 V Power connection:
Connect the +12 V contact of the amplifier with the supply cable via a fuse directly to the vehicle battery. Keep in
mind, that the length of the cable from fuseholder to vehicle battery has to be maximum 30cm. For the amplifier to
function at its best, use a high quality fuse holder and suitable cable preferably AWG 8-6 cable. This fuse protects the
amplifier and the vehicle against the possibility of a short circuit in the power cable.
4. Remote connection:
Connect the REM-terminal of the amplifier to the remote-output (automatic 12 V antenna-output) of the head unit.
Use a 0,5 - 1,5 mm power cable.
First, disconnect the power supply of the
vehicle by removing the ground cable of the
battery.
2. Ground connection:
Connect the GND (ground) connection
of the amplifier with the car chassis.
Keep this cable as short as possible (not longer
than 50 cm) and use a suitable cross section
(AWG size 8-6).
Make sure, that the connection with the
vehicle chassis is free of paint, dirt and
dust.
ATTENTION
Please follow the instructions during the installation of your amplifier:
a) Take care of a professional attachement. Pay attention, that no electrical cable, gas tank, hydraulic
breakes or other components get damaged.
b) There has to be enough cooling and air circulation. Avoid the installation in small closed boxes or close
to heatening parts.
c) Protect the amplifier from fluids, wetness, heat and foreign material as well as from other influences.
d) The amplifier is only to be built into vehicles with a 12 V DC power supply.
e) Never install the power supply cable with other original wires of the vehicle (gas cables), fan motors,
brand control moduls etc.
f) Install the signal cable (cinch cable) as well as the speaker cable far away of the power cables to avoid
troubles with the music signal.
g) The cables of your amplifier have to be installed, so that there is no danger of binding, squeezing or
breaking.
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x
by Au dio sys tem
X-150.2 D
RCA con necti on
X-80.4 D.
Wired Remote Control
RTC (optional)
for channel 3 + 4
Wired Remote Control
RTC (optional)
X-150.2 D
HE AD UN IT
HEA D UNIT
to I NP UT of
additi onal
AM PLI FIE RS
The X Series amplifier offers RCA-Inputs, which are connected through cinch cables with the preamplifieroutputs of the head unit. If the head unit (OEM-RADIO) has no RCA-Output, than it is possible to connect the speaker
output direct to RCA/Cinch-Input. Important: the Gain-Controller has to be adjusted to minimum, then carfully turn up
the volume. Input Mode has to be switched on „HI“. If signal is presented, the amplifier automacally turns on.
Adaptercable HLAC and RCA HI can be purchased at your specialized dealer. The RCA-outputs provide the
possibility to transfer the signal of the head unit to a 2. amplifier via a cinch cable (not possible for x-80. 4 D).
With the aid of the shiftable high- and low pass filter, the gain-controller and the bassboost you are able to adjust the
amplifier on to your prefered taste of hearing, the circumstances of the vehicle and to the speakers.
In this regard, AUDIO SYSTEM germany recommends to adjust your amplifier through a specialized
service center, dealer or a specialist.
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X 150.2 D
1-Channel Bridged
2-Channel Stereo
speaker connection
Speaker
Impedance
4 ~ 8 Ohm
X-150.2 D
Speaker
Impedance
2 ~ 8 Ohm
X-150.2 D
Tri-Mode
CH 1 CH 2
Speaker
Impedance
4 ~ 8 Ohm
X-150.2 D
Spu le
CH 1 CH 2
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x
by Au dio sys tem
X-80.4 D.
2-Channel Mono
4-Channel Stereo
speak er conn ectio n
Impedance
4 ~ 8 Ohm
x
by Audio s ystem
CH 1/2 CH 3/4
Impedance
2 ~ 8 Ohm
x
by Audio s ystem
Speaker
Speaker
2-Channel Stereo + 1-Channel Mono Bridged
x
by Audio s ystem
CH 1
6
CH 2
CH 2
CH 3CH 1
CH 4
Speaker
Impedance
4 ~ 8 Ohm
CH 3/4
troub le shoo ting
This power amplifier is featured with an efficient protection system to prevent any damages like over-heating,
overvoltage, short-circuit and DC at the loudspeaker output.
Occuring an error the protection-LED will light in red. In order to check the problem, first turn down all levels of
the head unit, afterwards turn it off.
AMPLIFIER IS NOT
POWERED UP, NO LED IS
LIGHTENING
PROTECTION LED
ILLUMINATES GREEN
WHILE AMPLIFIE R IS
SOUNDLESS
PROTECTION LED
ILLUMINATES RED
WHEN AMPLIFIER IS
POWERED UP
OVERHEATING
(PROTE CTI ON LED
ILLUMI NATES RED WHEN
AMPLIF IER I S POWERED UP)
ERROR IN AMPLIFIER FUSE
SOUND TOO LOW OR
LOW-DISTORTED SOUND
HIGH HISS-ENGINE NOISE
IN SPEAKERS
- ground connection profes sio nal connected?
- +12V powercab le pr ofessional connected?
- remote cable professiona l con nected?
- fuses inserted and alright ?
- analyze volta ge on t he amplifier.
- cinch cable alrith and profe ssi onal connected
- loudspeaker profession al co nnected?
- head unit alright?
- amplifier too hot?
- short-circuit at the loudspeaker output?
- short-circuit caused by loudspeaker cable with vehicle chassi (ground)?
- input voltage too high (e.g.faulty generator)?
- impedance alright?
- loudspeaker error?
- adequate airflow of the amplifier?
! CAUTION !
After cooling down, the amplifier turns on automatically.
- ground professional conn ect ed?
- loudspeaker impedance al rig ht?
! CAUTION !
Make sure when changing fuse s to us e the same valu e.
- input level control “GAIN” is set to match the head u nit ?
- output level control of the he ad un it alright?
- loudspeaker error?
- loudspeaker cable checke d?
- crossover frequencies ha s bee n properly set?
(Check head unit, amp lilfier, DSP, soundprozessor, equalizer,
frequency bandpassfilter... )
- ground connection professional connected?
- short-circuit caused by loudspeaker cable with vehicle chassi (ground)?
- cinchcable (RCA) and/or loudspeaker cabel installed too
close to the power connection cable?
- cinch ground (RCA) of the head unit alright?
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by Au dio sys tem
AT TENTI O N
Please contact your specia liz ed dealer if the amplifier is still not working after it has b een
checked with the error list!
For warranty adjustement / repairs the original invo ice h as to be attached!
Opening the power amplifie r is le ading to a lost of warranty in either case!
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x
by Au dio sys tem
X-150.2 D
Power Supply Voltage
Rated Power Output at 14,4 V
-RMS power @ 4 ohm stereo
-RMS power @ 2 ohm stereo
-RMS power @ 4 ohm bridged
Signal to Noise Ratio
Low Pass Crossover
High Pass Crossover / Subsonic filter
Frequency Response
THD@RMS Watts
Channel Separation
Fuse Rating
Input Sensitivity
Dimensions
X-80.4 D.
Power Supply Voltage
Rated Power Output at 14,4 V
-RMS power @ 4 ohm stereo
-RMS power @ 2 ohm stereo
-RMS power @ 4 ohm bridged
Signal to Noise Ratio
Low Pass Crossover
High Pass Crossover / Subsonic Filter
Frequency Response
THD@RMS Watts
Channel Separation
Fuse Rating
Input Sensitivity
Dimensions
speci fications
10 - 16 V
2x 150 W
2x 250 W
1x 500 W
>96 dB
50 ~ 300 Hz
25 ~ 175 Hz
10 Hz ~ 50 KHz (+/-1 dB)
< 0,028%
75 dB
40 A x 1
200 mV ~ 8 V
180(W) x 45(H) x 150(L) mm
10 - 16 V
4x 80 W
4x 150 W
2x 300 W
>96 dB
40 ~ 4500 Hz
20 ~ 4500 Hz
10 Hz ~ 50 KHz (+/-1 dB)
< 0,029%
75 dB
40 A x 1
200 mV ~ 8 V
180(W) x 45(H) x 150(L) mm
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Y
since 1988
R
the sound
Audio System Germany
Falltorstraße 6 - 76707 Hambrücken
designed and engineered by audio system Germany
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