The M273 Amplifier Board features a PT2399based processing path and an NE5532 amplifier module to enable seamless blending of vocal and music signals. Key benefits Independent control for music and microphone levels to optimize vocal performance and accompaniment balance. Builtin PT2399 processing supports vocal and music blending with clear separation and control. Flexible power options: supports DC 1224V or AC 512V input, accommodating common power sources. Broad compatibility: works with various digital amplifier boards, as long as the power voltages match, enabling convenient integration into existing systems. Practical for karaoke and practice: enhances sound quality and control for singing applications without requiring extensive equipment changes. What this product does Enables independent adjustment of music and microphone levels for precise vocal balance. Provides a compact, versatile platform suitable for karaoke setups and practice environments. Facilitates easy integration with digital amplifier boards through voltagecompatible connections. Power and compatibility Power supply: DC 1224V or AC 512V accepted. Compatibility: suitable for use with various digital amplifier boards, provided the power voltages match. Use scenarios Home karaoke setup: connect to a PA or speaker system, adjust music level and microphone level independently to achieve clear vocals over the track. Small venue or rehearsal space: integrate with an existing digital amplifier board to deliver balanced sound with controllable mic and music levels for performances or practice sessions. Content creation or teaching: use in a studio or classroom setting to manage accompaniment and vocal levels separately during online lessons, recordings, or demonstrations. Notes This board is designed to facilitate vocal and music blending with independent controls and compatible power options, making it a flexible addition to karaoke and audio setups without requiring changes to your core amplifier configuration.