Installation / Connection - Kenwood KMM-BT312U Instruction Manual

SPECIFICATIONS
Version
Frequency Range
Output Power
Maximum Communication Range
Profile
Maximum Output Power
Full Bandwidth Power
Speaker Impedance
Tone Action
Preout Level/Load (USB)
Preout Impedance
Operating Voltage
Maximum Current Consumption
Operational Temperature Range
Installation Size (W × H × D)
Weight
Subject to change without notice.
26
Bluetooth Ver.2.1+EDR / Bluetooth 3.0
2.402 GHz — 2.480 GHz
+4 dBm (MAX), 0 dBm (AVE) Power Class 2
Line of sight approx. 10 m (32.8 ft)
HFP (Hands-Free Profile)
SPP (Serial Port Profile)
PBAP (Phonebook Access Profile)
A2DP (Advanced Audio Distribution Profile)
AVRCP (Audio/Video Remote Control Profile)
50 W × 4
22 W × 4 (at less than 1 % THD)
4 Ω — 8 Ω
Bass: 200 Hz ±8 dB
Middle: 2.5 kHz ±8 dB
Treble: 12.5 kHz ±8 dB
2 500 mV/10 kΩ
≤ 600 Ω
14.4 V (10.5 V — 16 V allowable)
10 A
0°C — +40°C
182 mm × 53 mm × 107 mm
(7-3/16" × 2-1/16" × 4-3/16")
: 0.62 kg (1.37 lbs)
: 0.66 kg (1.46 lbs)

INSTALLATION / CONNECTION

Warning
• The unit can only be used with a 12 V DC power supply, negative ground.
• Disconnect the battery's negative terminal before wiring and mounting.
• Do not connect Battery wire (yellow) and Ignition wire (red) to the car chassis or Ground wire
(black) to prevent a short circuit.
• Insulate unconnected wires with vinyl tape to prevent a short circuit.
• Be sure to ground this unit to the car's chassis again after installation.
Caution
• For safety's sake, leave wiring and mounting to professionals. Consult the car audio dealer.
• Install this unit in the console of your vehicle. Do not touch the metal parts of this unit during
and shortly after use of the unit. Metal parts such as the heat sink and enclosure become hot.
• Do not connect the [ wires of speakers to the car chassis or Ground wire (black), or connect
them in parallel.
• Mount the unit at an angle of less than 30º.
• If your vehicle wiring harness does not have the ignition terminal, connect Ignition wire (red)
to the terminal on the vehicle's fuse box which provides 12 V DC power supply and is turned
on and off by the ignition key.
• Keep all cables away from heat dissipate metal parts.
• After the unit is installed, check whether the brake lamps, blinkers, wipers, etc. on the car are
working properly.
• If the fuse blows, first make sure the wires are not touching car's chassis, then replace the old
fuse with one that has the same rating.
Basic procedure
1 Remove the key from the ignition switch, then disconnect the [
terminal of the car battery.
2
Connect the wires properly.
See Wiring connection. ( 28, 29)
3
Install the unit to your car.
See Installing the unit (in-dash mounting).
4 Connect the [ terminal of the car battery.
5
Reset the unit. ( 3)