M273 Amplifier Board for vocal and music blending Key benefits Independent music control for enhanced singing Allows you to adjust the backing music level separately from the microphone signal, helping you stay in tune and maintain performance without disrupting your vocal presence. Seamless vocal and music blending Features a PT2399 and NE5532 amplifier module that enables smooth integration of voice and instrumental or backing tracks for clearer, more balanced output. Flexible compatibility with digital amplifier systems Works with various digital amplifier boards as long as the power voltages match, providing convenient and adaptable integration into existing setups. Clear, reliable performance Designed to deliver stable operation and predictable results when blending vocal and music signals in practice, rehearsal, or smallscale live applications. Important notes Compatibility: This board is compatible only with dynamic microphones; it is not suitable for condenser microphones or headset microphones. Power matching: When using with different digital amplifier boards, ensure the supply voltage and power specifications are matched to maintain proper performance and safety. What this product is The M273 Amplifier Board, featuring the PT2399 and NE5532 amplifier module, is designed to deliver controlled, harmonious blending of vocal signals with backing music for better practice, rehearsal, and smallscale performances. 23 practical use scenarios Home practice and rehearsal Use a dynamic microphone connected to the M273 board and feed a backing track from a digital amplifier or playback device. Independently adjust music level to keep vocals clear while maintaining tempo and energy of the track. Small live performances or streaming setups In a compact live or streaming rig, pair the M273 board with a compatible digital amplifier board and a dynamic microphone. Adjust the music and vocal levels on the fly to deliver a balanced, professional sound in a small venue or online broadcast. Recording and demos In a home studio or project room, connect a dynamic mic and a backing track to the M273 board. The module allows blending that produces clean vocal capture with the music cue, suitable for demos or practice sessions without needing additional heavy equipment. Build and design notes Functionality centers on independent music control and clear vocalmusic blending through an integrated PT2399 and NE5532 module. Compatibilitydriven design enables integration with multiple digital amplifier boards, provided voltage matching is observed, offering flexible deployment across different setups.