Behringer Horn Driver Tweeter Product Details Piezo Horn Driver Similar to KSN1188A The PZ1188 is specifically designed and engineered to be a replacement for the very popular KSN1188A piezo horn drivers from days gone by. Using a 22 mm ceramic piezo element, follow Standard 1-3/8" 18-TPI threads facilitate use with 1" horns. With a wide frequency range and ample power handling, this is also a prime candidate for new designs, especially if the crossover requirements must be kept to an absolute minimum. This 100 watt driver incorporates advanced protective circuitry which allows it to be used at power levels of up to 400 watts. Specifications: Power handling: 100 watts max Frequency response: 800-20,000 Hz SPL: 93 dB 1W/1m Dimensions: Diameter: 3-7/8", Depth: 3". WEIGHT 0.4 LBS. Overview Finally, an affordable drop-in replacement for those vintage KSN1188A piezos! GRS piezo tweeters are built using a 22 mm ceramic piezo element, to the original specifications. Highlights Perfect replacement for many classic loudspeakers No crossover required - great for simple, economical designs Great for super tweeter applications in DJ/Karaoke systems Equal or superior to products being sold for 8-10 times our price! 22 mm ceramic piezo element that follows original specs