A500DSP
A500DSP
5-CHANNEL SMART DIGITAL PREAMPLIFIER
INSTALLATION & OPERATION MANUAL
EINBAU & BEDIENUNGSANLEITUNG
Thank you for purchasing this innovative AXTON preamplier!
To maximize the performance of this preamplier and your complete car audio system
install, we recommend that you acquaint yourself thoroughly with all technical features
and controlling options of this AXTON preamplier. Please read this manual carefully,
before attempting the installation. If, after reading this manual, you still have questions
regarding functions or the installation of the preamplier, we recommend that you consult
your dealer.
SAFETY INSTRUCTIONS
n Do not turn on any function which may distract you while driving the vehicle.
Functions requiring sustained attention must only be used when the vehicle is at a
complete standstill. Make sure to always stop your vehicle in a safe place before
operating these functions. There is a risk of causing an accident.
n Keep the volume at a low level to be able to hear exterior noises while driving
the vehicle. There is a risk of causing an accident.
n Do not open the preamplier or undertake any modication of the product.
There is a risk of accident, re or electric shock.
n Only use this preamplier with 12V mobile applications. Any other use other
than the use for which this product has been designed may lead to re, electric shock
or injury.
n Use fuses of the correct amperage. There is a risk of re or electrocution.
n Do not obstruct radiators and/or vents. Internal overheating may occur and cause
a re.
n Ensure all connections are properly made. Check the section of cable and the
type of cable if it does not correspond with the use. There is a risk of re, injury and/
or damage to the product.
n Do not use nuts or fasteners part of the steering or braking systems for ground
connection. The fasteners and nuts used for the brake and steering systems (or any
other security system) as well as various tanks must never be used for grounding.
Use of these parts as ground may deactivate the vehicle’s control system and cause
a re or other technical problem.
n Keep all small objects which could be swallowed, such as the fasteners and
screws, out of the reach of children. Swallowing such objects may cause serious
injuries. In the event of swallowing any of these objects, immediately seek medical
advice.
n Before starting the installation, disconnect the negative terminal of the battery
to avoid any risk of injury, re or damage to the equipment.
– 2 – – 3 –
TECHNICAL SPECIFICATIONS
Model No.: MDA-100
FR+in
FR-in
FL+in
FL-in
RL+in
RL-in
RR+in
RR-in
RR-out
RR+out
RL-out
RL+out
FR-out
FR+out
FL-out
FL+out
+B
GND
Frequency response: 20 Hz ~ 20 kHz
Audio sampling frequency: 192 kHz
Distortion: 1 KHz <0.001%
Supply voltage range: 9 V – 15 V
Signal to noise ratio: > 120 dB
Dynamic range: > 100 dB
Standby current: < 0.4 mA
Dimensions (LxWxH): 105(126) x 114 x 40 mm
INSTALLATION DIAGRAM
MAIN FEATURES
n 5-channel Smart Digital Preampli er with iOS or Android App controlled audio DSP
functions
n DSP-controlled 5-channel Preout (10 Volt) including REM out to control optional
ampli ers
n Plug’N’Play quick installation system via optional vehicle brand and model speci c
ISO wire harness
n Auto-Turn- On function
n 4-channel RCA-Input and separate ACC/REM/Batt/GND socket for standalone
operation
FUNCTIONALITY & ADJUSTABILITY
n Bluetooth connection and control of DSP settings via iOS or Android Smartphone App
n Freely con gurable 3-way active crossover: High-/Low-/Band-/Bypass with
6/12/18/24dB/Oct. slope
n Time Alignment
in cm (0 – 230 cm) for front, rear and subwoofer channel
n 5-channel control: Gain, Phase switch and Mute function for each speaker
n Freely con gurable 7-band parametric Equalizer for front, rear and all 4 speakers
n Can save 5 memories in the amp and unlimited sound settings on the smartphone
n Dynamic Bass setting for powerful performance without subwoofer
n 3D surround sound
DIMENSIONS
105 mm
114 mm
40 mm
– 4 – – 5 –
20
ORIGINAL CAR SOCKETS
HEAD UNIT
MOUNTING INSTRUCTIONS
1. Before you start with the installation, make sure you know the security code of your
headunit (if applicable).
2. Remove the headunit from the dashboard and disconnect the main wire.
3. Find a place for the A500DSP and connect the provided (or optionally available
car-speci c) wire to the amp.
2
4. For standalone powering mode please follow these steps: Run a 1.5 mm
power
wire from the (+) pole of the battery to the (BATT) terminal of the ampli er. Use a fuse
with the related value of the cross section of the power wire. The distance between
the B+ pole and the fuse holder must be 15 cm or less. Run the minus cable with the
same cross section from the (GND) terminal of the amp to the vehicle chassis ground.
Make sure that the contact surface is clean in order to get best conductance.
5. Connet the RCA cables and the ACC+/REM wire coming from the headunit to the
RCA inputs and ACC-In of the A500DSP.
6. Connect the wire to the headunit.
7. Install the headunit back in the dashboard.
WIRING DIAGRAM
USER MANUAL
20
HIGH LEVEL
INPUT
FRONT / REAR
POWER LINE OUT
REM
REM INGND
OUT
APP INSTALLATION
PLUG AND PLAY HIGH LEVEL INPUT
For Android phones only:
1. Download the A500DSP_V1.0.apk by scan of the QR code or download from the Axton
website www.axton.de
20
1* ACC-in 11 GND
2*
Rem-out
3
RR-in
4
RR+in
5
RL- i n
6
RL+ i n
7
FL- in
8
FL+i n
9
FR-in
BATT+LINE IN
10
FR+in
12
+B
13
14
15
16
17
18
19
20
2. Install A500DSP_V1.0.apk to your Android smart phone.
3. Turn on Bluetooth on your mobile and search “A500DSP”, then connect to it with paring
code 1234.
4. Open A500DSP app and click the “Connect” button
to connect your mobile to the
amplifier.
For iOS smart phones only:
1 Visit the Apple AppStore, search for „A500DSP“ and install the app.
2 Turn on Bluetooth.
3. Open the app and press the “Connect” button
in order to connect the amp with
the app.
1* In some cases with old headunits the Auto-Turn-On function cannot work. If you meet this problem, please just
put the separately provided wire “ACC-IN” into the connector of the connection cable and connect it to ACC/Amp
Remote of the car stereo or another cable which will provide +12 V only when the car stereo is turned on.
2* REM-Out: Connect this wire to the remote input of a separate amplifier, for example a mono amp for a subwoofer.
HIGH LEVEL INPUT
Run the provided Y-ISO connector cable (or the optional car-speci c P&P cable) from the
car stereo to the amp and connect the cable to this terminal. With this kind of connection
the A500DSP gets both the power supply and the ampli ed speaker signal from the head
unit. The A500DSP will then be switched on and off automatically when the head unit is
switched on and off.
LINE OUT
DSP-controlled signal to be forwarded to the ampli er or ampli ers. The subwoofer output
is a mono signal which is generated out of the four speaker signals.
RCA INPUTS FRONT AND REAR
Low-level RCA signal input for connection to the head-unit.
INPUT GAIN CONTROL FRONT AND REAR
Input gain potentiometer for front and rear channels, to match the output voltage of the
headunit to the preampli er’s input.
REM OUTPUT TERMINAL
Terminal to connect the remote-wire with the REM-Input of an ampli er. The A500DSP
turns then on/off the ampli er automatically.
REM INPUT TERMINAL
Terminal to connect the preampli er to the automatic (remote) turn-on / turn-off lead of the
headunit.
GND POWER INPUT TERMINAL
Terminal to connect the ampli er to the chassis ground or negative pole of the car battery.
BATT+ POWER INPUT TERMINAL
Terminal to connect the ampli er to the positive +12V pole of the car battery.
Scan to download and
install the app from the
Apple AppStore
Scan to download and
install the app from the
Axton homepage
A500DSP FUNCTIONS
Connecting to the smart mobile
Touch the “Connect” button
to connect the mobile to the ampli er. After the
connecting procedure is done successfully, you are automatically in the EQ menu and the
app loads the settings from the ampli er.
Touch to
connect to
the amp.
UI: Connecting
– 6 – – 7 –
EQ Preferences
After the app has connected successfully,
the EQ menu appears automatically for you
to make your preferences.
With this parametric 7-band equalizer you
can correct the frequency response with
pinpoint accuracy.
If required, you can choose independent
equalizer preferences for the front and rear
channels. Simply press Front P.EQ or Rear
P.E Q .
When you have done the preferences,
touch the „Save to Amplier“ button
to transfer the preferences to the amplier.
During the saving process do not switch off
the amplier as this may lead to malfunction and/or damage. You can also save
the preferences on your smartphone. To
do this, press the „Save on Phone“ button
, and enter the desired lename.
Press
Front P.EQ
or Rear P.EQ.
In the line „f0“ tap on the band you want.
A pop-up window appears for you to enter
the value of the center frequency you want.
Conrm with „OK“.
In the line „Q“ tap on the band you want.
A pop-up window appears for you to enter
the value of the quality factor you want.
Conrm with „OK“. The quality factor (Q
factor) determines the effect of the EQ lter
(bandwidth) on the frequency band around
the chosen center frequency f0.
Example1: f0 = 1000 Hz
desired bandwidth of EQ lter = 1000 Hz
(i.e. 500 Hz – 1500 Hz) Q = 1
Example2: f0 = 1000 Hz
desired bandwidth of EQ lter = 200 Hz
(i.e. 900 Hz – 1100 Hz) Q = 5
Q factors from 0.3 to 9.9 are possible.
Favorites
Press the menu button at the top right,
and select one of the favorites 1 – 5. To
reset all settings to „0“, press the „Reset“
button
. If you just want to try out the
presets and then go back to your personal
preferences, exit without saving the app,
and then restart. The app will then load
your saved preferences from the amplier.
Press menu
button at the
top right
– 8 – – 9 –
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