POLYTRON PMA 9311 - MULTIMEDIA SPEAKER ▪ DIGITAL Bass & Treble Control ▪ AMBIENT LIGHT ▪ BAZZOKE (extra bass) ▪ BLUETOOTH Connection ▪ Supported with POLYTRON AUDIO CONNECT (application for controlling via smartphone) ▪ POWER 30 Watt RMS ▪ 2.1 Channel Multimedia Speaker ▪ Subwoofer 5 inch, Midrange