JBL LSR305 Two-way Powered Studio Monitors w/ Studio Monitor Isolators (Pair) This bundle includes: 2 x JBL LSR305 5" Two-Way Powered Studio Monitor 1 x IsoAcoustics ISO-L8R155 Medium-Sized Studio Monitor Isolators (Pair) 1 x eStudioStar Polishing Cloth for Bundles Long-Throw 5" Low Frequency Woofer Bi-Amplified Powered Reference Monitor Dual 41W Class D Amplifiers Low & High Frequency Trim Switches