Trevi AVX 598 USB. System type: 2.0 system, Recommended usage: universal, Speaker placement: Floor, Tabletop/bookshelf. RMS rated power: 100 W, Frequency range: 50 - 20000 Hz. Connectivity technology: Wired, Speaker interface type: RCA, Headphone connectivity: 3.5 mm. Housing material: MDF. Width: 195 mm, Depth: 260 mm, Height: 335 mm