7 Volumes 4 Mic Echo Sound PCB – Professional Karaoke & Audio Mixing Board

✅ 7-Band Volume Control: Fine-tune audio output for balanced, crystal-clear sound.
✅ 4 Microphone Inputs: Supports multiple mics with individual echo adjustments—ideal for group performances.
✅ Echo Effect: Built-in echo for enhanced vocal depth and richness.
✅ Compact & Durable: High-quality PCB designed for long-lasting performance.
✅ Easy Integration: Ready to install in custom audio setups, amplifiers, or PA systems.
✅ Versatile Use: Perfect for karaoke machines, stage performances, home theaters, and DIY audio projects.