![3. CONTROLS](/images/new-backgrounds/14505/145059x1.webp)
3. CONTROLS
APX1301E controls and input connections
APX4241E controls and input connections
APX2121E controls and input connections
1. | RCA input jacks | 8. | Speaker level inputs | 15. | Rear frequency control | |
2. | Front RCA input jacks | 9. | Front speaker level inputs | 16. | Rear | |
3. | Rear RCA input jacks | 10. | Rear speaker level inputs | 17. | Status indicator light | |
4. | Gain control | 11. | Frequency control |
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5. | Front gain control | 12. |
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6. | Rear gain control | 13. | Front frequency control |
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7. | Bass boost control | 14. | Front |
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