Hartke AK410 Bass Box, 500 Watt, 8 Ohm, 4x10" Speaker, 1" Titanium Compression Driver, Frequency Response 55Hz-17kHz, Sensitivity 98dB@ 1W/1m, High Frequency Attenuation Switch, casters, speakon- and 6,3 mm jack input, Dimension H/W/D 610x 610 x 381mm