Integrated 2-way amplifier-speaker system with 3 speakers. Includes 2 line inputs, 1 for 3.5mm stereo plug & 1 RCA stereo. It also has the ability to connect to the source via Bluetooth V5 & aptX CODEC compatible with all modern smartphones, tablets & computers. Fine-tune via the Marshall Bluetooth app or via analog tonality controls. It has multi-host functionality which allows simultaneous connection & switching between 2 Bluetooth devices. Equipped with 2 3/4 “high frequency Dome Tweeters & 1 51/4” Woofer unit powered by a 2X15W Class D digital amplifier for Tweeters & 1X50W Woofer. Frequency response: 50-20.000Hz, SPL: 101dB @ 1m, separation frequency: 2500Hz, weight: 4.65 kg, dimensions: 350 X 185 X 185 mm, color: black.