• Professional KTV digital pre-effector, audio digital effect processor, One button to prevent howling, USB, MP3, BT, OPTICL,5 microphone input household karaoke, stage, church, performance KWD 50
• 10 socket power timing regulator, 3000W professional audio digital power controller voltage regulator w/voltage readout, USB, big digital display, home theater stage/studio use KWD 28
• Rechargeable Wireless Microphone, Two Cordless UHF Mics with Long-Distance 1/4" Receiver，Plug and Play UHF microphone for Karaoke Singing, Wedding, DJ, Party, Speech, Church, Class Use KWD 10