Philips HTL2101A/F7, 2.0 channels, 40 W, Dolby Digital, 40 W, 4 Ω, 5,08 cm (2") Philips HTL2101A/F7. Audio output channels: 2.0 channels, RMS rated power: 40 W, Audio decoders: Dolby Digital. Soundbar speaker RMS power: 40 W, Impedance: 4 Ω, Full-range driver diameter (imperial): 5,08 cm (2"). Product color: Black, Recommended usage: Universal, Audio formats supported: MP3, WMA. Connectivity technology: Wired. AC input voltage: 110-240 V, AC input frequency: 50 - 60 Hz, Power consumption (typical): 40 W