40W at 70V/ 100V, 1 balanced line input, 1 unbalanced summing line level input, global power supply (100vac-240vac, 50/ 60 Hz), 50 Hz to 20 kHz, status LEDs, removable level controls with set it and forget security covers, Phoenix and RCA connectors, compact 1RU 1/2 rack, 8.5"W x 1.75"H x 7.9"D.