This is the DAM-A200 communication karaoke system from Daiichikosho, and the Denmoku (karaoke remote control/operation terminal) below it. This is mainly used in stores and other places as professional karaoke equipment. Product Name: DAM-A200 (Karaoke Main Unit) and Denmoku (Operation Terminal) Usage: A communication karaoke system that provides karaoke functions such as song selection, reservation, playback, and scoring. Features: The DAM-A200 provides high-quality karaoke sound sources and operates in conjunction with the Denmoku. The Denmoku has an LCD screen, allowing for song searches, reservations, key/tempo adjustments, and various other operations. This is a karaoke accompaniment machine called 金英 (KY) 필통 KMS-A100. It is for professional use, with a built-in HDD, USB support, and Full HD video support. It contains approximately 34,000 songs, and new songs can be updated using USB or HDD. You can search by the first letter of the lyrics. Release Date: August 5, 2013, scheduled to be sold in Japan ・Main Features: Includes 22,000 Korean songs ・Standard Price: 400,000 yen ・Product Name: "uga next" (Korean specification) ・Release Date: May 2013, released in Korea ・Main Features: Contains 110,000 songs, mainly J-POP Main unit only. This is the price for the set. This is Korean karaoke equipment. DAM-A200 with a high-quality power amplifier, Full HD compatible. - Model: DAM-A200 - Brand: KY - Function: Full HD - Connection Terminals: USB - Features: High-quality power amplifier Thank you for viewing. Equipment: Korea