Use a high-quality PA amplifier from Grainger in your large meeting rooms, small auditoriums, lecture halls and other spaces where your public address system could use a boost. Choose the size you need, with power levels ranging from a 20W, mobile, two-way, talk-back amp to a 260W amp with 7-zones control and inputs for 5 XLR mics. Some models include AM/FM tuners. Speak up and be heard with a PA amplifier from Grainger!