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INTRODUCTION
Proper system planning is vital in order to maximize the
device's performance and road safety. Plan your instal-
lation carefully to avoid compromising performance
reliability of the system. Consult an authorized Blaupunkt
delaler for installation or reparation. Read the manual
carefullt before operating the device for the first time.
Safety Notes
Ensure to folow below safety notes during installation
and wiring connection: -
•
Disconnect the negative terminal of the battery. Refer
to the safety notes of the vehcle manufacturer.
•
Ensure positions of the holes are nowhere near the ve-
hicle component to avoid any damage during drilling.
•
Ensure cross section of the cable is no less than
2.5mm2 if the positive and negative cables are too
long.
•
Incorrect installation may result in malfunction of the
device or the car sound system.
Installation and Connection Instructions
•
Select a dry and well-ventilated location to install
the device.
•
The device must not be installed in overly exposed
location such on therear shelf, rear seat etc.
•
The installation location must be suitable for screw
holes and have stable ground support.
Disclaimer
In no event shall Blaupunkt be liable for any direct,
indirect, punitive, incidental, special consequential
damages to property or life and whatsoever arising out
of or connected with the use or misuse of our products.
USA & CANADA: This product is not intended for sale in
the United States and Canada. If purchased in the U.S. or
Canada, this product is purchased on as-is basis. No
warranty, whether expressed or implied is provided in
the U.S. or Canada.
Voltage Supply
•
Use the supplied power extension cable to connect to
the positive battery terminal.
•
Firmly and carefully connect the ground lead to a bare
metal point on the vehicle chassis.
•
The control of the device should be a two-channel
control, either via the preamplifier output of the car
sound system.
•
A control solely via the right or left channel is also
possible since the low-frequency portion of the music
is generally identical on both channels.
Recycling and Disposal
Do not dispose of your old unit in the
household trash!
Use the return and collection systems
available to dispose of the old device.
This manual may be updated from time to time
without any notice.
1
SPECIFICATION
BM 1420 CM4
Pair of 4" BMW direct fit plug & play subwoofer to upgrade OE speaker installed for selected BMW models with paper
cone material including installation instruction.
•
Normal output power (RMS) : 30W
•
Max. output power : 60W
•
Sensitivity : 86dB
•
Impedance : 4ohms
•
Frequency response : 80Hz – 20,000Hz
•
Surround : Rubber
•
Magnet type : Neodymium magnet
•
Mounting depth : 39mm
•
Diameter hole : 129.5mm
•
Overall height : 55mm
BM 1420 CU4
Pair of 4" BMW direct fit plug & play subwoofer to upgrade OE speaker installed for selected BMW models with paper
cone material including installation instruction.
•
Normal output power (RMS) : 30W
•
Max. output power : 60W
•
Sensitivity : 86dB
•
Impedance : 4ohms
•
Frequency response : 80Hz – 20,000Hz
•
Surround : Rubber
•
Magnet type : Neodymium magnet
•
Mounting depth : 44.5mm
•
Diameter hole : 114.3mm
•
Overall height : 55mm
Tweeter
Mid-range
Tweeter
Mid-range
2
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