SOUND TOWN STCA360X12PD4W COMMERCIAL AUDIO SET: The Sound Town STCA360X12PD4W commercial audio bundle includes (1) STCA360-6Z power amplifier and (6) white colored STPDS-4W-PAIR (12 total) all weather pendant speakers STCA360-6Z 6 ZONE AMPLIFIER: The Sound Town STCA360-6Z amplifier works with 70V/100V or 4~16 ohm low impedance speakers, delivering 360W of power output. It supports Bluetooth and has 6 zones with individual volume controls. Built-in clipping limiter protects your speakers and amp from overheating. Two phantom-powered mic inputs make it convenient for condenser microphones STPDS-4W IP 66 WEATHER-RESISTANT SPEAKERS: This bundle includes a total of (12) STPDS-4W IP 66 white colored weather-resistant pendant speakers, each equipped with 4 woofer and a coaxial 1 neodymium compression driver. Install the speakers as pendant speakers, wall-mounted, or landscape ground-mount setups that suit your setup (3 types of installation components included in the package)