3.5'' 2-Way 300 Watt bookcase speaker & Studio Monitor (Pair) 3.5'' Long Throw Woofer 1'' High Compliance Polymer Tweeter Vented Design for High Power and Low Bass Heavy Duty ABS Construction w/Rubber Edge Quick Release Speaker Connection Built in Spring Loaded Mounting System 150 Watts Power RMS/300 Watts Peak 8 Ohm Impedance Frequency Response: 60-20kHz Dimensions: 4.75''W x 7.25''H x 4.75''D Sold as: Pair Weight: 7.1 lbs.