JBL LOC4 High-Low Line Output Converter

The JBL LOC4 is a 4-channel line output converter designed to integrate aftermarket amplifiers with factory car audio systems by converting high-level speaker signals to low-level RCA outputs. This high-to-low level line output converter provides a remote turn-on signal for amplifiers and is a compact, passive device that requires no external power.

Engineered for factory-to-aftermarket integration, the LOC4 offers 4 speaker-level inputs and 4 RCA low-level outputs, supporting up to 80 watts of input power with a 6:1 step-down. Its 20 Hz–20 kHz frequency response and ±0.5 dB linearity preserve audio fidelity, while built-in audio transformers deliver noise isolation to minimize interference in challenging vehicle environments.

• 4-channel high-to-low level line output converter for seamless integration
• 4 speaker-level inputs and 4 RCA low-level outputs
• Remote turn-on signal generated via autosense
• Passive design; no external power required
• Noise isolation with built-in audio transformers for cleaner sound

Compact and lightweight, it hides behind dashboards or panels for clean installations, delivering factory-to-aftermarket compatibility with minimal fuss. Discover the JBL LOC4 today and upgrade your factory audio with cleaner, more powerful sound.