Features: Stereo 3-way & sub woofer crossover Low/mid Crossover point between 200 Hz to 700 Hz Mid/High Crossover point between 1.5 kHz to 8 kHz Sub woofer frequency range between 20 Hz and 200 Hz Individual Controls for Subwoofer, Low, Mid, High frequency Input / Output jack use XLR connector Frequency response from 20~20 kHz +/-1db AC 120V/240V switchable 1U rack space