LM317/337 Dual Rail Regulator PCB for Preamp/Headphone Amp (Green) - 2 Pieces $11.34 Add to Cart Quick view
Low-noise shunt regulator plus fully complementary JFET preamp stereo PCB $22.69 Add to Cart Quick view
J-FET Input Cascode Class A Preamp/Headphone Amp PCB with Onboard Regulator & Protection $38.30 Add to Cart Quick view