Check the listing for details. Beezar Audio Skeleton DAC PCB - USB Powered, 16-bit 44.1kHz Digital Audio. Condition: New. Listed at 2.50 USD. http://www.diyforums.org/SkeletonDAC PCB: 2" x 1.04" (50.8mm x 26.4mm)1 oz. copper on 0.062" (1.6mm) FR4 dielectric Designed to perfectly fit in the Hammond Mfg #1551HTBU plastic case The SkeletonDAC PCB Uses the Following (not included):Texas Instruments/Burr-Brown PCM2704 Texas Instruments TPS79333 LDO regulator Fox 12MHz crystal Wima MKS box film output coupling caps (1uf 63V) United Chemcon 560uf 6.3V organic-polymer cap All 1206 and 805 series capacitors, resistors, and ferrites Blue LED specially selected for the Hammond 1551HTBU (not included) Molex mini-USB Type B connectorOther SMD parts which may include resistors, capacitors, etc. PLEASE NOTE: This is a PCB only! Please check my other listings for a full kit. Compatible with USB I and II, the SkeletonDAC needs NO Drivers on Windows PCs. Music output from WAV or FLAC is 16-bit, 44.1kHz, or the same as CD Redbook standards. MP3 files are limited by their own compression algorithms but are fully compatible from a USB stream. Any standard PC can use the SkeletonDAC as a music source with better sound than most onboard sound cards. Please refer to the DIYForums.org website for the SkeletonDAC for full details on construction and operation. Shipping is typically in a 3 x 5 padded envelope mailer. Shipping costs are biased for single sales. I will refund any overage shipping costs for multiple quantity order.