JL Audio M100-CT-SG-TB (Titanium/Black) 1" Marine Silk Dome Tweeters with Sport Grilles JL Audio 1" Marine Silk Dome Tweeters with Sport Grilles Power Handling: Peak: 175 Watts / RMS: 40-100 Watts Treated to withstand UV and salt/spray exposure for long lasting performance Frequency Response: 5000-25,000 Hz Sensitivity: 91dB