Keyteck SP-210. Audio output channels: 2.1, RMS rated power: 32 W, Recommended usage: PC. Satellite speaker type: 1-way, Satellite speaker frequency range: 40 - 20000 Hz, Satellite speaker tweeter size: 127 mm (5 "). Subwoofer type: Passive. Power source: AC. Set weight: 4.2 kg