3GO W-220. System type: 2.0 system, Speaker placement: Tabletop/bookshelf, Amplifier: Built-in. RMS rated power: 3 W, Frequency range: 120 - 18000 Hz, Impedance: 4 Ом. Connectivity technology: Wired, Speaker interface type: RCA, Cord length: 1.25 m. Width: 76 mm, Depth: 81 mm, Height: 163 mm. Audio output channels: 2.0, Power source type: AC