Column speaker system with subwoofer for mobile use. It is equipped with four 2.5'' high frequency drivers, one 8'' woofer and a multi-channel Class D amplifier. The system offers 200 W of power, a 3-channel mixer with individually adjustable gain, a high-quality Bluetooth audio connection, a built-in MP3 player (USB flash drive and SD/MMC card) and a high-quality DSP unit with 2-band equalizer and multiple presets.