Independent control of music and microphone channels allows precise blending of backing tracks with vocals, enabling you to set the music level separately from the mic for a cleaner, more controlled performance. Compatible with various digital amplifier boards, provided the power supply voltages match. This ensures convenient and flexible integration into existing setups without needing a full system redesign. Note: Compatible only with dynamic microphones; not suitable for condenser microphones or headset microphones. The M273 Amplifier Board features the PT2399 and NE5532 amplifier module to achieve seamless blending of vocal and music signals, supporting clear vocal output alongside background audio. Applications and scenarios Home karaoke or streaming: independently adjust music and mic levels for a balanced, professionalsounding mix without external mixers. Small venues, rehearsal spaces, or stage setups: integrate with existing digital amplifier boards to deliver clean vocal performance with integrated backing tracks. Podcast or online content creation: blend voice with background music smoothly, with separate controls to finetune levels in real time.