LG LA408AB Owner's Manual

4-ch bridgeable amplifier


Quick Links

4-CH Bridgeable Amplifi er
Please read this manual carefully before operating
your set and retain it for future reference.


Table of Contents

Summary of Contents for LG LA408AB

  • Page 1 OWNER’S MANUAL 4-CH Bridgeable Amplifi er Please read this manual carefully before operating your set and retain it for future reference. LA408AB www.lg.com.mx...
  • Page 2: Safety Information

    Getting Started Fuse Replacement Safety Information If the fuse blows, check the power connection and replace both the fuses. If the fuse blows again after replacement, there may be an internal malfunction. Precautions In such a case, consult your nearest dealer. ...
  • Page 3: Supplied Accessories

    Getting Started Features Supplied Accessories  Maximum power output of 150 W per channel (4) (at 4 Ω).  This unit can be used as a bridging amplifi er with a maximum output of 400 W.  Built-in HPF (High-Pass Filter), LPF (Low-Pass High input cable (2) Ring rubber cushion Filter).
  • Page 4: Location And Function Of Controls

    Connecting Location and function Installation of controls Before Installation  Mount the unit either inside the trunk or under a seat.  Choose the mounting location carefully so the unit will not interfere with the normal movements of the driver and it will not be exposed to direct sunlight or hot air from the heater.
  • Page 5 Connecting Making the Terminal Power Connection Wires (not Connections supplied) 1. Expose the end of the wire using nippers or a cutter by about 10 mm and twist. Twist To a metal point 10 mm of the car 2. Attach ring lugs to wire ends. * Remote output Car audio unit Fuse (60 A)
  • Page 6: Rca Input Connections

    Connecting RCA Input Connections High Level Input Connection Connect the car stereo RCA output jack and the 1. Connect the high input cables to the HI-IN (+ L RCA input jack of the amplifi er. -, - R +) jacks. 2.
  • Page 7: Speaker Connections

    Connecting Speaker Connections The unit can be set up for stereo 4-channel or 3-channel operation. 4-channel speaker system Front speaker Left Right Left Right Rear speaker 3-channel speaker system Front speaker Left Right Subwoofer...
  • Page 8: Specifications

    Appendix Specifi cations Maximum output power 800 W RMS output power (4 Ω) 70 W X 4 CH (1 kHz @ THD 0.1 %) RMS output power (2 Ω) 100 W X 4 CH (1 kHz @ THD 0.1 %) Mono Bridge at 4 Ω...
  • Page 9: Troubleshooting

    Troubleshooting Troubleshooting The following checklist will assist in the correction of most problems which you may encounter with your unit. Before going through the checklist below, refer to the connection and operating procedures. Symptom Cause Solution The POWER/PROTECT indicator The fuse is blown. Replace both the fuses with a new one.
  • Page 10 Av. Sor Juana Inés de la Cruz No 555 Col. San Lorenzo Tlalnepantla, Estado de México CP 54033 Tel. (55) 5321-1919 Lada sin costo 01 (800) 347 1919 LG Electronics México S.A. de C.V.

Table of Contents