Philips HTL3140B/78, 2.1 channels, 200 W, Dolby Digital, 60 W, 16 Ω, 5.25" Philips HTL3140B/78. Audio output channels: 2.1 channels, RMS rated power: 200 W, Audio decoders: Dolby Digital. Soundbar speaker RMS power: 60 W, Tweeter impedance: 16 Ω, Woofer diameter (imperial): 5.25". Subwoofer type: Passive subwoofer, Subwoofer connectivity: Wireless, Subwoofer RMS power: 140 W. Product color: Black, Recommended usage: TV, Audio formats supported: MP3, WMA. Connectivity technology: Wired & Wireless