Features: 1 pair wide dispersion speakers, piezoelectric horn tweeters, power is up to 150W, frequency 3-20KHz, sensitivity 98dB. These loudspeaker tweeters feature a unique piezoelectric design, providing high-frequency sound and ensuring a lightweight and efficient sound experience. Double piezoelectric speakers, KTV, stage horn speakers, piezoelectric high pitched horn speakers, piezoelectric design, and harsh sound. Widely used in birdhouses equipment such as tweeters, distributed tweeters, and garden bird singing teaching. Use our speakers to enhances your setting, providing unparalleled sensitivity and wide frequency, enriching your sound. Specifications: Material: ABS Size: about 160x94mm/6.3x3.7inch Frequency: 3-20KHz Sensitivity: 98dB Power: 75/150W Impedance: 4-8ohms Minimum hole size: 124x54mm/4.88x2.12inch Package Includes: 1 Pair Piezoelectric Tweeters note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.