Purpose-engineered and built for real marine duty, the Audiopipe 3 3/4" ABS Horn 1" Super Bullet Tweeter delivers maximum audio performance in any open-air boating environment. Audiopipes APSW-3750 Super Bullet Tweeters are perfect for hitting crisp and clean highs. With an impedance of 8 ohms and a 1-inch diameter, the voice coil is made with high-temperature Kapton. Youll be able to give each tweeter up to 150 watts RMS and 300 watts of Peak Power to get the most sound quality out of them.