Music center says absolutely nothing about the system you own - if it is one. Some of these "all in one" equipment types use proprietary speakers of odd, often extremely low impedance. As do some "speakers" and not others. Attaching "other" speakers could damage your "Music Center" Or even cause it to heat enough to start a fire, as it destroys itself. You should describe by make and model all the equipment involved to receive any answer that does not involve the possible destruction of your equipment, and property generally. Usually, special, odd connectors are a signal that the system is non-standard, and amounts to a discouragement to modify the speakers attached to it, so the risk is real enough in your case to make it important to provide enough information so that informed responders can offer a thoughtful answer..