HK Audio Polar 12, Active Column PA System, 2000 W Class D power amplifier, Max. SPL (sound pressure level): 127 dB, Frequency response: +/- 10 dB, 35 - 20,000 Hz, Horn characteristics: 120° x 30°, 1"" Compression driver with CD horn, 6x 3"" Midrange speakers, 12"" Bass speaker in the subwoofer, Various possibilities for setting up the column system by removing or implementing the spacer, 4-Channel mixer, 24-Bit DSP with 5 storable user presets (Mode, Master EQ, Delay, Display, Bluetooth), 3 Sound modes: Music, Voice, DJ, Adjustable system delay, Backlit LCD display, 2 Switchable mic/line inputs: XLR/jack combo, 1 Hi-Z Instrument input: Jack, 1 Stereo input: RCA, 1 Mix output: XLR, Bluetooth 5.0 for audio streaming, Subwoofer housing is made of birch/plywood, Bass dimensions (W x H x D): 36.6 x 67.5 x 54.1 cm, Bass weight: 22.1 kg, Top/Spacer dimensions (W x H x D): 10.8 x 82.5 x 9.8 cm, Weight of the top: 3.9 kg, Spacer weight : 2 kg, Total height: 2.18 m, Total weight: 28 kg, Includes a padded bag for the top unit and spacer, and a padded cover for the bass