The R1 8" tower speakers are a great addition to any marine audio system. We took all the features and performance of the R1 Speakers and integrated it into a durable aluminum housing, so you can enjoy your music while riding behind the boat or chilling on the sandbar. The housings also feature integrated RGB LED&';s that can either be wired for a single color or connected to our RGB Remote & Controller. All housing components are either anodized or painted with CRE to ensure they will not only hold up in harsh environments but also look good doing it. Continuous Power (RMS) 100 WattsPeak Power (RMS) 200 WattsSensitivity 90 dB @ 1W/1MFrequency Response (+ / - 3 dB) 50 Hz - 20 kHzImpedance 4Nominal Diameter 8 in20.32 cmOverall Diameter 9.875 in25.1 cmTotal Depth 13.575 in34.5 cmHanging Distance 14.375 in 36.5 cm