Car Audio Amplifier Control Panel Diagram - Input & Output Layout Guide #3022301 (License: Personal Use)

This schematic-style image depicts a professional-grade car audio amplifier control panel featuring rotary controls for volume (VOL), brightness (BRT), and transmitter selection (XMTR SEL), alongside toggle switches for HI/LO test modes and PHN (phone) input. The panel includes color-coded input indicators (purple MRK, yellow BCN, white), three-position selector (1-3), and multiple speaker output terminals grouped by function: NAV/COM, ADF, and PHONE. Designed for aviation or high-end automotive audio systems, it supports multi-zone signal routing and diagnostics.

Used in technical documentation, installation manuals, or repair guides for avionics or premium vehicle audio systems; targets technicians, integrators, and DIY enthusiasts seeking wiring clarity and functional understanding.