Niles Audio MSA-10A Speaker Selection with Autoformer Impedance Matching System
The Niles Audio MSA-10A Speaker Selection with Autoformer Impedance Matching System allows you to connect up to 10 pairs of speakers to you stereo amplifier or receiver and play any or all pairs simultaneously without overloading your amplifier. The Niles Audio MSA-10A uses a special autoformer matching system that keeps your amplifier running safely, even if you have all 10 pairs of speaker playing at the same time. Each of the (up to) 10 pairs of speakers can have a nominal impedance anywhere between 4 and 16 ohms. Isolated left and right channel grounds make it compatible wit hall types of amplifiers, including those with "isolated" or "floating" output grounds. The removable rear panel connector black accept speaker wire up to 14 gauge in size. To select the set of speakers you wish to use, simply depress the corresponding button on the unit and to turn them off simply press the button again. Includes pre-printed room/zone labels.