the t.amp TA1050 MK-X power amplifier - 2x 525W/4Ohm, 2x 350W/8Ohm, input sensitivity: 0.775V, slew rate: 40V/µs, damping factor 300:1/1kHz/8Ohm, short circuit protection, limiter, THD less than 0.05%/1kHz. Inputs: jack/XLR, outputs: Speakon & binding posts. Dimensions 483 x 103 x 475 mm, Weight 16,4kg,19" rack/2U, rem: very good quality/value ratio !!!