Basic Wiring For In Car Entertainment

Item Needed

1. Head Unit
2. Preamp
3. Subwoofer with box
4. 4 Channel Power Amp (Optional)
5. 2 Channel Power Amp or Mono block Power Amp for Sub woofer
6. Rear Speaker (eg; 3way 6x9 coaxial speaker)
7. Front speaker or Component set
8. RCA Cable (4set)
9. 2 Fuse for power amp
10. Power Amp's Power Cable

Note: 

• Please DO NOT short circuit. 
• Connect power amp with positive battery terminal ONLY if you confident that you connect it correctly. Refer to user manual  
• Common Power Amp power terminal

             (+)ve             = Direct to Positive battery terminal, fused

           REM(+)          = Connect to REM (remote) wire of the head unit

           GRD (-)          = Negative; connect directly to body/chasis

• NEVER connect power amp with positive battery terminal WITHOUT fuse
• Start music with slow volume
• RECOMMENDED to use Capacitor for power amp, to avoid battery power drained during music blasting and better current flow to power amp.

Any question, please do not hesitate to email me, or just drop your comment below and i will try to answer it. Thanks