Genius SP-I175. System type: 1.0 system, Recommended usage: universal, Speaker placement: Portable. RMS rated power: 2 W, Frequency range: 170 - 20 Hz, Sensitivity: 92 dB. Connectivity technology: Wired, Speaker interface type: 3.5 mm. Housing material: Plastic. Width: 57 mm, Depth: 63 mm, Height: 58 mm