Small Acoustic Research stage /studio monitor (1)  ,small wedge shape , RCA input jack , can use 14 volt DC or 110 power cord neither included . I used this for a monitor , in my solo acoustic guitar performances . Really small just used it like a little wedge monitor (see pics)  to hear myself live . Not super loud .Powers up, sounds good did the job . Does not include 110v power cord or 14v adapter ,takes either. Please see all pics ask all questions ships to lower 48 only Thank you