Set the HF SWR Sounder on the tuning box of any magnetic loop antenna. Then as you adjust to the lowest SWR using CW or FM mode, listen for the loudest beep.The SWR Sounder adds functionality to or replaces Antenna Analyzers.We listen!Specifications, prices, and descriptions are subject to change without notice.VideosDemonstrationPrototype in square project box shown in video. You will receive the newest version pictured above.Reviews4.9 Based on 18 reviews5 star8989%4 star1111%3 star0%2 star0%1 star0% Search1-5 of 18 reviewsMost RecentMost Helpful Protected_User_a650c06b Verified owner March 20, 2026 SWR Sounder for any MagLoopVerified review - view originalLove it, very nice quality material Protected_User_f63e767c Verified owner March 2, 2026 SWR Sounder for any MagLoopVerified review - view original Protected_User_11eab838 Verified owner March 1, 2026 SWR Sounder for any MagLoopVerified review - view originalFun way to get on to the band. Protected_User_10628143 Verified owner December 23, 2025 SWR Sounder for any MagLoopVerified review - view original Protected_User_637213d0 Verified owner December 16, 2025 SWR Sounder for any MagLoopVerified review - view originalWorks very good . Show more reviews (13)Sorry, no reviews match your current selections
