LM317 LM337 Adjustable Filtering Power Supply AC/DC Voltage Regulator ±1.25-37V
Output ：DC±1.25-37V adjustable. Do not run through your life so fast that you forget not only where you have been, but also where you are. For the use of pre-amp,headphone amp etc. Note: this is a DIY kit, all the parts need solder by yourself.