Product info:6-1/2" shallow-mount marine speakers (pair)white grilles includedpolypropylene woofer with Butyl rubber surround3/4" composite dome tweeterwater-resistant aramid fiber spiderIP67 certified for marine uselightweight composite frameUV- and salt water-resistantpower rating: 40 watts RMS (80 watts peak power)frequency response: 65-20,000 Hzimpedance: 4 ohmssensitivity: 89 dBcut out diameter: 5-1/16"frame diameter: 7-1/8"mounting depth: 2-3/8"warranty: 1 year60-day returnsMFR # NF1-116Item # 049NF1116