Signal-to-Noise Ratio
≥97dB
Professional audio, microphones and system integration

Harmonai Mini LD450 is a professional audio power amplifier in a standard 1U rack-mount form factor. With an ultra-high signal-to-noise ratio ≥97dB, it delivers pristine, low-noise audio reproduction; it outputs 450W–600W into 8Ω loads and up to 680W–900W into 4Ω loads at 1kHz — ample power headroom to drive a wide range of professional loudspeaker systems. Its compact 1U chassis saves significant rack space, making it an ideal choice for professional audio engineering, live sound reinforcement, and permanent installations.
≥97dB
450W / 600W
680W / 900W
Mini LD450
Standard 1U rack-mount size
Harmonai
Thanks to its high signal-to-noise ratio and robust output power, the Mini LD450 is suitable for live sound reinforcement, conference room audio systems, fixed installations in theaters and auditoriums, and bar/LIVEHOUSE audio engineering. Its 1U compact design enables flexible deployment in space-constrained racks — whether used as a single-channel amplifier or integrated into multi-channel matrix systems, it delivers stable and reliable power amplification.
Learn more about the Harmonai Mini LD450 professional power amplifier, or contact our audio consultants for a customized sound reinforcement solution.