Magnetic Transducers | ISL Products International Ltd.
Xpower 15mm Magnetic Transducer Mount | fishfindermounts2
NOS Shure 99A86 NC Controlled Magnetic Transducer • 1974 • Mint in Box | eBay
Eccomum AQ-601 12-hole Magnetic Sound Hole Guitar Pickup Transducer with Tone Tuner Controller 6.5mm Male Plug Audio Cable for 38"/39"/40"/41" Acoustic Guitar - Walmart.com
15mm Magnetic Transducer Mount Kit | fishfindermounts2