VELOCITY POWER
CLASS D AMPLIFIER
with DSP MPD 46 A
Operating and Installation Instructions
CAUTIONS
This device has been manufactured according to
Disclaimer
established safety guidelines. However, dangers may still
occur if the safety notes in this manual is not observed.
This manual is intended to familiarize the user with the
device’s important functions. Read this carefully, prior to
using the car radio. Keep this manual in an easily acces-
sible location. In addition, do observe the instructions of
other devices used in conjunction with this device.
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Blaupunkt is not liable for any loss or damage
caused or resulting from unauthorized disassembly
or modification to the product.
In no event shall Blaupunkt be liable for any direct,
indirect, punitive, incidental, special consequential
damages, to property or life, improper storage,
whatsoever arising out of or connected with the use
or misuse of our products.
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Installation Safety Notes
Always observe the following safety notes:
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USA & CANADA : Products not intended for
sales in the United States and Canada. If
purchased in the U.S. or Canada, this product
is purchased as-is. No warranty, expressed or
implied is provided in the U.S. and Canada.
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Device must be used in a way that compliments
safety of the user when driving the vehicle. It is rec-
ommended for the user to install at an appropriate
location when operating the device. While driving,
user is not recommended to use applications that
can be prone to distraction.
Voltage Supply
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+12V : Positive connection terminal for car 12V
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Before installation, disconnect the negative terminal
of the battery. Refer to the safety vechicle manufac-
turer’s user manual.
Ensure positions of the holes are nowhere near the
vehicle component to avoid any damage during
drilling.
Ensure corss section of the cables i no less than
2.5mm if the positive and the negative cables are
too long. incorrect installation may result in malfunc-
tion of the device or the car sound system.
Select a dry and well-ventilated location to install
the device.
power supply.
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GND : Power supply negative connection terminal.
Firmly and carefully connect the ground lead to a
bare metal point ont he vehicle chassis.
Operation temperature : 0° - 70°C
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Compatible PC OS
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PC - with or higher than Windows XP
Android - mainstream Android devices with
Bluetooth
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Scope of Delivery
DSP Digital Signal Processor (153 x 112 x 45mm)
1.5m USB Cable
2 Tapping Screws (M3 x 10)
The device must not be installed in overly exposed
location.
The installation location must be suitable for screw
holes and stable ground support
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Universal 20p Wiring Harness
General Safety Notes:
Disposal Notes
Observe the following for protection against injuries:
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User is advised to keep the volume of the car radio
to a moderate level for the protection of the ears and
to increase the ability to hear any emergency warn-
ing signals (e.g. police and ambulance sirens). Do not
increase the car radio volume while the car radio is
muted as it is not audible. The car radio volume can
be too loud when the car radio is unmuted.
Do not dispose of your old unit in the
household trash!
Use the return and collection systems
available to dispose of the old device.
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INPUT FUNCTION
SPECIFICATION
ADJUSTMENT RANGE
Audio
Equalizer adjustment
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RMS Power : 43W x 4(4Ω)
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Equalizer selector : On/Off
Frequency range step : 1hz step (20hz – 20khz)
Q value step : 0.1 step (0.1 – 10.0)
DSP Resolution : 32 Bit
Output Power RMS @ 4 Ohms (≤1% THD +N) : 43W/CH
Distortion (THD) : <0.015%
Volume adjustment : 0.2 step (-24 – 11.7)
Dampling Factor : >70
Operating Voltage : 10 -15V
Sampling Rate : 48kHz
Crossover adjustment
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Crossover type selector : Link, Bessel , Butterworth
Frequency adjustment : 1hz step (20Hz – 20Khz)
Decibel Slope selector : 6 dB, 12 dB and 24 dB
Signal Converter A/D : Burr-Brown
Signal Converter D/A : Burr-Brown
Output
Time Delay adjustment
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2
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2 x RCA/ Cinch
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Delay unit cm : 0.72 step ( 0.72 – 159.3) centimetre
4 High Level Speaker Output
Voltage RCA/ Cinch : 0.9V RMS
Delay unit in ms : 0.21 step (0.21 – 4.604) millisecond
Channel adjustment
1. Connect to computer for software tuning.
2. Press the button to select the preferable mode. (There are maximum 6 sound effect modes can be saved by using
Input
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Polarity phase selector: 0° and 180°
Volume gain : 1.0 step ( -60 – 0 )
Mute selector : On /Off
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4 High Level Speaker Input
software).
1 x USB
Impedence High Level : 1000 Ohms
S/N Ratio Analog-in : 100dB
Feature
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4 x 43W, Class D Amplifier
Max. Output Power : 180W
Frequency Response : 10Hz-20kHz
Max. Current Consumption : 10A
Dimension (W x H x D) : 153 x 112 x 45mm
Weight : 0.92 kg
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1. Power indicator light.
2. Power input.
3. 4-channel high level input.
4. 4-channel speaker output.
5. Selector switch between Hi-Input selection or ACC powered selection for amplifier wake up triggering.
6. 2-channel low level RCA output.
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WIRING DIAGRAM
WIRING DIAGRAM
Universal Wiring Method
Car Head Unit
ACC
(Red Wire)
Front Right Speaker
Purple
REM
Green
(Blue Wire)
Front Left
Speaker
White
To Computer by USB
Grey
Car Specific Wiring Hardness
Rear Right
Speaker
Car Specific
Wiring Harness
Rear Left Speaker
REM (Blue Wire)
DSP/ Amplifier
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5
SOFTWARE OPERATION (WINDOWS)
SOFTWARE OPERATION (WINDOWS)
Blaupunkt MPD 46 A Software
2. 10-band equalizer control
MPD 46 A
Blaupunkt.exe
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3. Channel Control
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4. Crossover frequency setting :
• 3 Types of High-pass frequency
• 3 Types of Low-pass frequency
5. Main Volume Control
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Channel panel (10-band Tuning)
1. 10-band tuning waveform
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