JVC SP-XTHC3 satellite speaker package for Sale. The front surround sound speakers (centre-channel & the R + L speakers) are rated for 140w at 4Ω. They sport an 1.5cm tweeter & a 8cm woofer for a 80Hz ~ 20kHz frequency response. The two rear surround speakers are omni-directional, with a 8cm upward firing full-range driver with Domed port grille. This design reflects sound into the rear listening area for a 360° performance. Used, but in good condition. Picture #4 has more specifications.