Introducing the HL400.1 – The latest audio amplifier from the HIGH LINE family!

The HL400.1 combines high-level performance with exceptional sound quality, all in a compact and durable design. With a frequency response of 10Hz to 22kHz, it features one amplified channel and dual-polarity output terminals, making it easy to connect multiple speakers to a single channel.

Perfect for indoor or outdoor audio systems that require multiple speakers powered by a single amplifier.

Expanded Compatibility: The amplifier offers installation flexibility, with inputs compatible with both RCA connectors and HIGH (wire) inputs from the vehicle’s factory radio or aftermarket player. Ideal for upgrading factory or custom sound systems.

Precise Crossover Controls: Shape your sound with independent crossover adjustments, allowing customized tuning across different frequency ranges.

L.P.F (Low Pass Filter): Adjustable from 60Hz to 22kHz – ideal for subwoofers or low-frequency channels.

H.P.F (High Pass Filter): Adjustable from 10Hz to 2.5kHz – protects your speakers from ultra-low frequencies.

Dedicated LEVEL Control: Precisely adjust the signal level sent to the speakers, ensuring the perfect balance between volume and audio quality based on your setup.

Rugged and Isolated Terminals: Built with durable, insulated ABS connectors for secure and reliable installation, protecting your system from short circuits and interference.

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TECHNICAL SPECIFICATIONS