High current LME49710 + BUF03 stereo headphone amplifier /preamp PCB 1piece ! $23.78 Add to Cart Quick view
LM317/337 dual rail regulator PCB for preamplifier/headphone amp(green) 2 pieces $11.18 Add to Cart Quick view
High-end stereo headphone amplifier w/protection circuitry A1 PCB 1piece ! $22.38 Add to Cart Quick view