LM317/337 Dual Rail Regulator PCB for Preamp/Headphone Amp (Green) - 2 Pieces $11.40 Add to Cart Quick view
Low-noise shunt regulator plus fully complementary JFET preamp stereo PCB $22.82 Add to Cart Quick view
J-FET Input Cascode Class A Preamp/Headphone Amp PCB with Onboard Regulator & Protection $38.51 Add to Cart Quick view