Electro voice EX23 Crossover Frequency 80-800 Hz and 800-8000 Hertz Cover the mi

Electro voice EX23 Crossover Frequency 80-800 Hz and 800-8000 Hertz Cover the mid and high frequencies. The Electro-Voice EX23 is a high performance stereo 2 way or mono 3 way electronic crossover. The unit keeps all drivers in perfect polarity while offering superior speaker protection from damage by out of band signals. The unit is in excellent like new condition but I dont have the equipment or the knowledge to test this device. It is sold as is. These are my grandparents equipments and are in perfect condition. I have few others in my store. Please ask questions before purchase.