MAXIMUM NUMBER OF SPEAKERS - We recommend using no more then 8 pairs of speakers for this unit 150W POWER HANDLING - 150 Watts RMS, Will work with Amplifier Rated up to 300 Watts SPEAKER WIRE ACCEPTANCE - 2 or 4 Conductor, Stranded, 16 AWG to 14 AWG EASY INSTALLATION - With removable input and output connectors, set up will take minutes. Once you have the speaker wires connected, they will not come out with our screw-down design COMPACT DESIGN - Simple compact design measuring at 3.4" X 1.7" X 7"