Isolation & Tuning Devices Click a brand to filter Show all HRS Synergistic Research HRS Nimbus Systems and Damping Plates HRS Vortex V150 Chassis Reduction Feet Synergistic Research HFT High Frequency Transducer Synergistic Research HFT 2.0 High Frequency Transducer Synergistic Research HFT X High Frequency Transducer Synergistic Research HFT Speaker Kit Synergistic Research HFT Wide Angle High Frequency Transducer Synergistic Research Grounding Circuit Transducer