Marshall Stanmore BK, professional boombox for studio and live applications, especially for MP3 players and smartphones, inputs: bluetooth (V4.0) & mini-jack, inputs on back: optical in & RCA, digital amplifier with 2x 20 watts RMS (l /r) and 1x 40 Watt RMS (sub), loud lightweight and easy to transport, excellent powerful sound, Marshall vintage design, volume bass and treble controls, frequency response: 45Hz - 22kHz + /-5dB, 1x 5,25" basswoofer, 2x Hi-Fi dome tweeter with ferrofluid cooling, thermal protection circuit, bass reflex system, including 3.5 mm connecting cable for smartphones,dimension: 350 x 185 x 185mm, weight: 5,10kg, colour: black.