POWER ACOUSTIK RF-693 6 x 9 Inches 3-Way Car Speakers with Polypropylene Cones (Pair) 330 Watt 6"x9" Full Range Speaker. 3-way, MAX Power 330w. Magnet Volume (oz.) 24.3 oz. Frequency Response 45-20kHz, Efficiency (1w/1m dB): 88dB. Mounting Depth 3.25". 1" Voice Coil on Aluminum Former, 4-ohm System Impedance, Quick Disconnect Terminals, 1" Mylar Tweeter Vacuum Formed Polypropylene Cone, NBR Rubber Surround There are two speakers in a box.