"The DS18 NXL 3.8"" Marine Water-Resistant Super Bullet Tweeter is engineered for extreme marine and outdoor use with a fully waterproof IP36-rated design. Its marine-grade materials provide resistance to water, UV rays, salt, and corrosion, for long-lasting durability. Rated at 60W AES, 120W program, and 240W peak power handling, the NXL tweeter speaker delivers crystal-clear highs that cut through any mix. Its 1"" aluminum voice coil and diaphragm produce smooth, detailed sound across a 3.5kHz to 20kHz frequency range with a high 103dB sensitivity. During installation, you can choose between flush mount without enclosure for a low-profile install or surface mount with the included enclosure for added protection. Upgrade your marine audio with the DS18 NXL tweeter for high-performance you can hear and feel! Sold per pair. Engineered for extreme marine and outdoor use Resistance to water, UV rays, salt, and corrosion 3.8"" marine super bullet tweeter RMS power: 120W (240W peak) Impedance: 4ohm ~ 103dB Ferrite magnet Water-resistant IP36 rating"