Philips MMS2580B/77, 2.1 channels, 20 W, PC/Laptop, Black, FM, 10 W Philips MMS2580B/77. Audio output channels: 2.1 channels, RMS rated power: 20 W, Recommended usage: PC/Laptop. Satellite speakers RMS power: 10 W, Satellite speaker dimensions (WxDxH): 89 x 82 x 133 mm. Subwoofer RMS power: 10 W, Subwoofer driver diameter (imperial): 12,7 cm (5"), Subwoofer dimensions (WxDxH): 240 x 155 x 245 mm. Cables included: RCA. Connectivity technology: Wired & Wireless, Bluetooth range: 10 m