Product Type
Single-channel headphone amplifier
Professional audio, microphones and system integration

The Harmonai P20 Battery-Powered Headphone Amplifier is a portable single-channel headphone amp designed specifically for mobile audio applications. It features a high-quality built-in polymer battery, eliminating the need for traditional power cables and enabling premium sound wherever you go. Whether connected to a smartphone, laptop, or portable music player, the P20 delivers ample, clean amplification—significantly enhancing the audio performance of directly driven headphones.
Single-channel headphone amplifier
Built-in polymer battery
P20
Harmonai
Mobile Recording Monitoring: Delivers high-fidelity headphone drive during outdoor interviews or field sampling. Travel Listening: Compact body fits easily in a pocket—enjoy superior sound quality anytime, anywhere. Laptop/Smartphone Audio Enhancement: Resolves audio limitations caused by weak built-in sound cards. Personal Studio Setup: An affordable entry-level headphone amplification solution.
Explore the full Harmonai portable audio product lineup—contact our professional team for detailed quotations and technical support.