TIC GS5 5" Compact Outdoor Weather-Resistant Omnidirectional In-Ground Speakers (pair) 80W Full Range Output 5.5-Inch Polypropylene/Mylar Construction 4.5 Khz Crossover Freq Resp: 55 Hz20 Khz True Omni-Directional 360 degree Sound Single 360 omni-directional speaker 2-way co-axial driver (8" woofer &amp; 2" tweeter) Power Handling: 100W/200W RMS/Peak Response Frequency: 45Hz-20kHz Impedance: 8 Sensitivity: 89db Unit Weight: 8lb Unit Dimension: 12.5 x 12.5 x 13 Single 360 omni-directional speaker 3-way dual voice coil driver (8" woofer &amp; two 2" tweeter) Power Handling: 100W/200W RMS/Peak Response Frequency: 45Hz-20kHz Impedance: 8/channel (standard), 4 (parallel), 16 (series) Sensitivity: 89db Two 1' 2-core speaker wire tail Unit Weight: 8lb Unit Dimension: 12.5 x 12.5 x 13 Pair of 360 omni-directional speakers 2-way co-axial driver (5" woofer &amp; 2" tweeter) Power Handling: 50W/100W RMS/Peak Response Frequency: 65Hz-20kHz Impedance: 8/speaker Sensitivity: 89db Unit Weight: 4lb Unit Dimension: 8.5 x 8.5 x 9 Single 360 omni-directional speaker 8" subwoofer driver Built-in passive crossover Optional 2x satellite speakers capability Power Handling: 125W/250W RMS/Peak Response Frequency: 25Hz-200Hz (crossover level @ 200Hz) Impedance: 8/input standard, 4/input with satellite speakers 1 x 4-core standard speaker input 2 x 2-core satellite speaker outputs Includes 2 waterproof wire connector (SPC-CN1) Unit Weight: 8lb Unit Dimension: 12.5 x 12.5 x 13