Specifications: Video Amplifier Bandwidth: 350 MHz Input Video Signal: 1.2 Volts p-p Input Sync Signal: 5 Volts p-p (TTL) Horizontal Frequency Range: 15-70 KHz Vertical Frequency Range: 30-170 Hz Power Consumption: 60 Watts (max.) Video Connectors: 8 x HD15, female (4 input, 4 output) Audio Connectors: 8 x 3.5mm mini-stereo jack, female (4 input, 4 output) RS-232 Control Port: 9-pin female DB9 Dimensions: 17.1"W x 1.8"H x 4.6"D Shipping Weight: 9 lbs. Package Includes: (1) 4x4 VGA Matrix (4) 6-foot VGA cables (M-M) (4) 6-foot mini-stereo 3.5mm analog audio cables (1) 24V DC Power Supply (1) RMT-16IR Remote Control (1) Set of Rack Ears (1) User's Manual