DS18 PRO-SM8.4 8" Shallow Water-Resistant Midrange Loudspeaker | 500W MAX | 4Ω Our PRO-SM8.4 is the ultimate midrange speaker for motorcycles, powersports and off-road applications that want powerful, weather-resistant performance. Optimized for Outdoor Performance This 8” shallow-mount midrange speaker handles 250W RMS and 500W MAX at 4 ohms. With a wide frequency response of 65Hz–12kHz and a sensitivity of 97dB, it cuts through all noise easily. Built to Withstand the Elements The PRO-SM8.4 uses a water-resistant paper cone and dust cap, paired with a coated cloth surround to protect against whatever the road throws at you. At just 2.5” mounting depth and a 7” cutout diameter, it’s designed to fit tight installs without compromise. Get the PRO-SM8.4 and give your system the volume it needs to stand out!