Feature: 1. Wide Dispersion Speakers: 2 piezoelectric horn tweeters, maximum power 75/150W, frequency 3‑20KHz, 98dB sensitivity, ceramic driver, wide dispersion speakers. 2. Excellent Acoustic Performance: The piezoelectric horn tweeter unit has excellent acoustic performance and excellent smoothness in the operating range of 3kHz to 20 kHz. 3. Upgrade Optimization: Power 75/150W These high end professional audio tweeters are optimized for all musical instruments, DJs, car audio and professional applications. 4. General: The dual drive tweeter is a perfect replacement. Widely used in loudspeaker tweeters, dispersed tweeters, garden bird song teaching, bird guided bird sound tweeters for bird house equipment. 5. Application: For professional DJ speakers, Pro PA speakers, professional karaoke speakers, live audio speakers, fixed installation speakers, studio monitors and home audio speakers. Specification: Item Type: Speaker Material: Plastic Size: Approx. 160 x 94 x 103mm/6.3 x 3.7 x 4.1in Minimum Opening Size: Approx. 124 x 54mm/4.9 x 2.1in Frequency: 3-20KHz Sensitivity: 98dB Maximum Power: 75, 150W Impedance: 4-8Ω Package List: 2 x Horn