Active subwoofer from the K series. The QSC K Series is quite simply the new standard in lightweight powered loudspeaker systems. Under the direction of Pat Quilter, QSC's team of amplifier engineers have created a new standard in Class D power modules unparalleled in the industry. - Speakers: 2 x 12 '' - Power output: 500 W LF + 500 W HF - Frequency range: 44 Hz to 148 Hz DMT - Maximum SPL: 130 bB peak - Connectors: Dual balanced female XLR/ 1/4 " line level input, Dual Balanced male XLR full range line level out, Remote gain control, Locking IEC power connector - Dimensions: 665 x 356 x 714 mm - Material: Painted birch plywood - Weight: 33,6 kg.