Epson Active Speakers (2 x 15W) - ELPSP02Active Speakers (2 x 15W) ELPSP02 The ELPSP02 active speakers (with built in amplifiers) enable all students in the room to clearly hear your lesson, enhancing the learning experience. The ELPSP02 speakers can be easily mounted on the wall and can be used with any Epson projector with or without the ELPCB02 control box. Loudspeakers Audio output channels 2. 0 channels Speaker placement Wall mountable Number of drivers 2 Tweeter Yes Woofer Yes Audio