The RMA 6510 is a 6.5" coaxial speaker that delivers a wide range of sonic depth. Focusing on mid bass level performance, the 6510 balances the higher frequencies for a uniform sound. Features injection-molded polypropylene cone, butyl rubber surround, interwoven tinsel leads, and rigid powder-coated steel frame. This speaker package includes polished stainless steel speaker grills as well as 20mm broad dispersion silk dome tweeters. 75W RMS / 150W peak power. 4 ohm impedance. 70Hz - 20kHz frequency response. Mounting depth: 2.87". Cutout: 5.59" dia. The RMA 6510 is the speaker of choice for the Roswell hanging speaker line up.