The M273 Amplifier Board combines a PT2399 based processing path with a NE5532 amplifier module to deliver clear vocal and music blending for dynamic mic setups. It is designed for integration with other digital amplifier boards when the power voltages match. Key benefits Improves vocal clarity and musical balance for live sound, home entertainment, karaoke, and small events. Reliable, purposebuilt module for blending voice with music without complex external processing. Compatibility and performance Dynamic microphones only; not suitable for condenser mics or headset microphones. Compatible with multiple digital amplifier boards when power voltage matching is observed. PT2399 processing combined with NE5532 amplification supports smooth blending of vocal and music signals. Use scenarios Home karaoke and family entertainment: upgrade your athome party setup with clear voice and music balance for singalongs and performances. Small events and venues: ideal for coffee houses, classrooms, community gatherings, or open mic nights where reliable voice and music integration is needed. Home studio or streaming practice: enables consistent vocal/musical blending during rehearsal, recording, or live streaming with compatible amplifier boards. Setup notes Ensure you are using a dynamic microphone. Verify that the power voltage of the connected digital amplifier board matches the board's requirements before integration. Connect the M273 as a compatible module within your existing audio chain to achieve the desired vocal and music blend without additional extensive routing.