SOUND TOWN NIX-A48PRO: The Sound Town NIX-A48PRO is a 2U rack-mountable class AB 4-channel amplifier that delivers high-power output - 4 x 1200W RMS (8 Stereo), 4 x 1800W RMS (4 Stereo), 2 x 2400W RMS in bridged-mono mode (8) XLR INPUT/OUTPUT & SPEAKON CONNECTIVITY: The NIX-A48PRO has 4 XLR inputs, 4 XLR outputs, 4 SpeakOn and 4 sets of binding post output connectors for great compatibility LCD SCREEN DISPLAY: With an equipped LCD screen on the front panel, easily monitor signal levels, operating mode, temperatures and more for each channel BUILT-IN SAFETY FEATURES: The NIX-A48PRO power amplifier is equipped with overload, overheat, and short-circuit protection features, including a fuse holder, and power/overload/protect LEDs. A 3-second start delay and a built-in limiter ensure smooth activation and prevent distortions