Round active loudspeaker for mounting on a projector ceiling mount, free-standing on a conference table or for wall mounting (accessories required) Power: 2 x 10 W Full-range loudspeaker: 2 x 2.75 á inch Frequency: 155 Hz - 20 kHz Auto standby (switches off after approx. 35 sec. if no signal is present) Input: 3.5 mm jack, e.g. from notebook, tablet, etc.