A:AnswerThe R-50M are passive, non-powered speakers that will need to be connected to a receiver or amplifier for power and audio reproduction. They cannot connect directly to a DJ controller.
A:AnswerThe R-50M II is a passive, non-powered speaker that will need to be connected to a receiver/amplifier via speaker wire. This model does not feature RCA inputs.
You may look at the powered counter-part, the "R-50PM." This model will feature RCA PHONO connections.
A:AnswerThey have a threaded insert on the back, but I used some side clamping speaker mounts, videosecu and Rockville make excellent ones, just have to find stud in wall