100W MAX, 80W MUSIC ; FREQ RESP: 45 HZ–26 KHZ; DUAL AMP INPUTS ; PLAY SPEAKERS INDIVIDUALLY OR IN ANY COMBINATION ;OF PAIRS ; DUAL AMPLIFIER INPUT ALLOWS 1 AUDIO SOURCE IN 1 ROOM & A DIFFERENT AUDIO SOURCE IN ANOTHER LOCATION; COMPACT IN SIZE TO FIT INTO ANY SYSTEM; EASY TO USE ; PROTECTION CIRCUITRY AUTOMATICALLY PROTECTS THE AMPLIFIER FROM LOW SPEAKER IMPEDANCE USING AUTO IMPEDANCE TRANSFORMERS ; 2 AMPS; ATTENUATION STEPS: 11 STEP, 3 DB/STEP ; DIM: 17"H X 7.5"W X 3.25"D; FOR 4 SPEAKER PAIRS