1 or 2 output channels with 40W, 80W, 120W per channel Built-in 70V and 100V Fanless, space-saving 1U design Sleep mode disable function Energy-efficient amplifier Sleek industrial look with illuminated rings making knobs easy to see and use Supports JBL CSR-V wall controller via CAT5 cable with RJ45 connectors Universal power supply Energy Star® Certified