Kenwood KAC-X11D Instruction Manual
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Kenwood KAC-X11D Instruction Manual

Kenwood KAC-X11D Instruction Manual

Class d mono power amplifier
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KAC-X11D
CLASS D MONO POWER AMPLIFIER
INSTRUCTION MANUAL
© B64-4198-00/00 (MV)

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  • Page 1 KAC-X11D CLASS D MONO POWER AMPLIFIER INSTRUCTION MANUAL © B64-4198-00/00 (MV)

  • Page 2: Safety Precautions

    To prevent damage to the machine, take the following precautions: • Be sure the unit is connected to a 12V DC power supply with a negative ground connection. • Do not open the top or bottom covers of the unit. • Do not install the unit in a spot exposed to direct sunlight or excessive heat or humidity. Also avoid places with too much dust or the possibility of water splashing. • When replacing a fuse, only use a new one with the prescribed rating. Using a fuse with the wrong rating may cause your unit to malfunction. • To prevent a short circuit when replacing a fuse, first disconnect the wiring harness. NOTE • If you experience problems during installation, consult your Kenwood dealer. • If the unit does not seem to be working right, consult your Kenwood dealer. English Cleaning the unit If the front panel gets dirty, turn off the power and wipe the panel with a dry silicon cloth or soft cloth. CAUTION Do not wipe the panel with a hard cloth or a cloth dampened by volatile solvents such as paint thinner and alcohol. They can scratch the surface of the panel and/or cause the indicator letters to peel off. To prevent battery rise When the unit is used in the ACC ON position without turning the engine ON, it depletes the battery. Use it after starting the engine.

  • Page 3: Installation Procedure

    Installation 380 mm 320 mm ø 6 Hexagon socket head cap screw (M4 × 8 mm) Dressing cover Self-tapping screw Cooling fan (ø5 × 18 mm) ■ Remote controller Mounting bracket Remote controller Accessories Part name Self-tapping screws (ø5 × 18 mm) Hexagon Wrench (Large) Hexagon Wrench (Small) Terminal cover (Power terminal) Remote cable (6.0 m) Remote controller Mounting bracket Self-tapping screws (ø2.6 × 12 mm) Installation procedure Hexagon Wrench Since there are large variety of settings and connections possible according to (Small) applications, read the instruction manual well to select the proper setting and connection. 1. Remove the ignition key and disconnect the negative · terminal of the battery to prevent short circuits.
  • Page 4 Connection WARNING Remove the ignition key and disconnect the negative · terminal of the battery to prevent short circuits. CAUTION • If sound is not output normally, immediately turn power off and check connections. • Be sure to turn the power off before changing the setting of any switch. • If the fuse blows, check wires for shorts, then replace the fuse with one of the same rating. • Check that no unconnected wires or connectors are touching the car body. Do not remove caps from unconnected wires or connectors to prevent short circuits. • Connect the speaker wires to appropriate speaker connectors separately. Sharing the negative wire of the speaker or grounding speaker wires to the metal body of the car can cause this unit to fail. • After installation, check that the brake lamps, winkers, and wipers work properly.
  • Page 5 ■ Remote cable connection CAUTION • Before connecting the remote controller cables, always turn the Bass boost level knob all the way to the left. ■ Multi Amplifier with Remote cable connection You can control the Bass boost level of the second and subsequent Slave amplifiers simultaneously from the Master amplifier. The volume level of each amplifier is determined by the setting of the Master amplifier (INPUT SENSITIVITY, boost level of the remote controller). Setting the Master amplifier 1. Adjust the INPUT SENSIVITY to the output of the center unit to be connected. 2. Set the LPF frequency and ISF. 3. Turn the LINE OUT FILTER switch ON. Setting the Slave amplifier 1. Turn the LINE OUT FILTER switch OFF. 2. Adjust the INPUT SENSIVITY.

  • Page 6: Power Indicator

    Controls NOTE The control panel locates under the front side cover. Remove the cover to access to its controls for adjustment. (See page 3) BATT. FUSE [30Ax3] 1 Fuse (0 A × ) NOTE If you can’t find the specified capacity fuse at your store etc., consult your Kenwood dealer. 2 Battery terminal 3 Power control terminal Controls the unit ON/OFF. NOTE Controls the unit power. Be sure to connect it with all the systems. 4 Ground terminal 5 Speaker output terminals As this unit accepts speakers with a minimum impedance of 1 ohm, connect speakers with 1-ohm or higher impedance to these terminals. 6 REMOTE terminal Connects the Remote cable.

  • Page 7: Troubleshooting Guide

    Troubleshooting Guide What might appear to be a malfunction in your unit may just be the result of slight misoperation or miswiring. Before calling service, first check the following table for possible problems. PROBLEM POSSIBLE CAUSE No sound. • Input (or output) cables are disconnected. • Protection circuit may be activated.

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