Hercules XPS 2.0 30 Multimedia Speakers Total power output: 12 W RMS (2 x 6 W). Peak power: 24 W Satellite measurements: 19 cm (H) x 10 cm (W) x 12 cm (D) Manufactured with high-performance components and with a smooth finish these 2.0 speakers guarantee a high-quality sound emission Satellite featuring a gold-plated audio connector (not wall mountable) All switches and knobs are located on the front of the speaker: General volume control knob with standby position and treble volume control knob.