Set KaraokeKARAOKE DKA-900 PACK 2 Diagram Equipment List DKA-900 Professional Digital Karaoke Amplifier KS-310 Professional Karaoke Speaker SU-890D/HT Professional UHF Wireless Microphones Smart TV / Computer-Notebook / Karaoke Player Hdd / Top box DKA-900 KS-310 SU-890D/HT