2:1 Baluns/Ununs Microphone/Speaker Audio RFI Store/RFI Solution Kits/Radio Communication RFI Solutions/Microphone/Speaker Audio RFIRefine by Sort byWe recommendNewest arrivalsPrice: Low to HighPrice: High to LowName: A to ZName: Z to AFiltersClear allFiltersClear allShow itemsShow itemsAudio RFI Suppressor for XLR cables - Simple in line filtering with male/female extension, Select AM Broadcast or Ham Band Filter RangeAudio RFI Suppressor for XLR cables - Simple in line filtering with male/female extension, Select AM Broadcast or Ham Band Filter RangeSKU RFI-XLR-6AM$29.95 Buy NowNEWHeil Parametric Receive Audio System RFI Kit - 6 filtersHeil Parametric Receive Audio System RFI Kit - 6 filtersSKU RFI-PRAS$49.95 Buy NowRFI Suppressor for F Connector Cables - Simple in line filtering with male/female extension, Select AM Broadcast or Ham Band Filter RangeRFI Suppressor for F Connector Cables - Simple in line filtering with male/female extension, Select AM Broadcast or Ham Band Filter RangeSKU RFI-F-AM$29.95 Buy Now 2:1 (100:50) Baluns are useful between 50 ohm coax and 100 ohm balanced lines for loops, cubical quads, log periodics and other antennas where the impedance at the end of the feedline is 100 ohms (1/2 wavelength feedline).
