'Fusion 800 S head for bass. 800w Class D with Tube Preamp with (3) 12ax7s. Lightweight. Aluminium package. Four band active EQ. Foot Switchable Tube Overdrive with Tone Control (Footswitch Included). Illuminated Knobs with Push Activation. ''Bump'', ''Contour'', and ''Presence'' Push Button Voicing Filters. Balanced XLR Output with Pre and Post EQ. Unbalanced ¼” Send and Return. Aux Input and Headphones Output. Twist Lock Speaker Outputs. 2, 2.7, 4 and 8ohm Load Capacity. Dimensions: 27,9 x 29,2 x 6,3 cm. Weight: 14,9kg.'