It is a desk-top Bluetooth & WiFi Speaker, RMS power 40W in a fashionable box. It is an optional solution for small rooms like classroom, office, living room, etc.
They are 2 economic central music systems for multirooms like houses, villas, bars, restaurants, etc. HM6813II and AM8250 are the control host, with HM30RII and BM825R being the on-wall control panels.
They are 3 on wall music amplifiers for single room music solution. They are of on wall installation with fashionable design (colors optional).
