The LOC4 is a four-channel line output converter designed to integrate an aftermarket amplifier with a factory radio. It accepts speaker-level signals and converts them to RCA outputs, making it a straightforward solution for vehicles where replacing the head unit isn't an option. Transformer-isolated circuitry preserves signal integrity and maintains correct channel phasing throughout.

• Four-channel output: Converts speaker-level input to stereo RCA signal across four channels.
• Wide input range: Accepts 2 to 60 watts per channel from factory or aftermarket radios.
• Adjustable output level: Built-in level control allows fine-tuning of the RCA output signal.
• Full-range frequency response: Linear 20Hz–20,000Hz output based on the input signal.
• Transformer-isolated design: Reduces noise and ground loop interference for cleaner audio.
• Remote turn-on output: Provides a remote signal to trigger amplifier power automatically.