JBL DE893BABA Platinum Series Powered Speakers, Black (Pair) Pair of powered PC speakers designed to complement HP and Compaq CRT monitors 3-inch full-range drivers combine to deliver 100 Hz to 20 kHz frequency response Digital input on right speaker connects to iPod, MP3 player, CD player, or other audio device Side-mounted, retractable hooks attach directly to left and right side of monitor screen Independent volume and power controls; 3.3 x 9 x 4 inches (W x H x D) each; 1-year warranty