The MIPRO MTM-90 (6A) is designed for MA-708PA & MA-808PA installed in top double slot. It allows wireless transmission in a multiple active power speakers to expand coverage and extend range. The MTM-90 (6A) offers a numeric LED display that lightens the UHF channels which can be auto-scanable. Its modularized design allows easy installation, operation & trouble-free maintenance. With its wireless capability, the MTM-90 (6A) is ideal for parade routes, farmers markets, outdoor athletic event or religious services or anywhere you need to add more systems wirelessly without the mess of bulky speaker cables.