Description: Material: This Audio Processing Part is made of metal material, which is sturdy and ensures lonf time use. Digital Audio Effects: This professional KTV digital Pre stage Effector offers 99 DSP digital audio effects, allowing you to choose the appropriate audio effect according to your needs, satisfying a variety of audio processing requirements. Stereo Sound Effect: Through digital processing technology, this Karaoke Sound Audio Effect System can produce stereo sound effects, making music more diverse and providing users with an ultimate music enjoyment. Convenient: This KTV Karaoke Audio Processing Part features a beautification function that doesn't require complex debugging, enabling you to achieve audio effects easily and conveniently. Mic Reverb Effect: This audio effects Processing Part can provide a reverb effect for the Mic, making vocals fuller and more resonant, it is good for use in KTVs, concerts and other events. Specification: 28cmx15.3cmx5cm/11.02inchx6.02inchx1.97inch Package Includes: 1 Audio Processing Part 1 European Plug Note: Please allow slightly errors due to manual measurement and different monitors.