MASTER AUDIO 2 high toners BST03/8B black 175 watt rms 350 watts max 9.7 cm diameter and 105 dB 8 ohm with 3.8 cm depth for home party per pair Sensitivity: 99dB; Frequency response: 3000-25000Hz; 3., 3 microfarad and 100 volt electrolytic capacitor included; Impedance: 8 ohm; This makes it very versatile and suitable for all types of installations. Sold in pairs; Audio Master tweeter model bst03/8; Aluminium tweeter with 4 diameter; 1 high temperature kapton voice coil; Ferrofluid swivel coil; 150 watts; Maximum power: 300 watts; Audio Tweeters 2 SP AUDIO SPTW-27 SPTW27 Tweeter Da 150 Watt Rms 300 Watt Max Da 4" 10 Replacement Tweeters The bst03/8 tweeter is not only beautiful to look at, but also high quality: clean and crystal clear sound, suitable for standard and medium systems These tweeters can be enhanced by a conventional 2-channel amplifier with 150 watts RMS per channel These tweeters can be enhanced by a conventional 2-channel amplifier with 150 watts RMS per channel. 2 Super High-Toner Master Audio BST03/8 Universal Replacement 150 Watt RMS and 300 Watt Max 9., 6 cm Diameter 8 Ohm for Home Pairs, High Quality Premium Quality XPL XW08-403 Midrange 20,00 Cm 8 150 Watt Rms 300 Watt Max 4 Ohm 99 Db To avoid irreparable damage to the tweeters, do not exceed the services recommended by the manufacturer