PiFi Digi / DAC+ / HIFI Digital Audio Card Pinboard For Raspberry pi 3 2 Model B B+ After using this expansion board user can coordinate with the broadcast system volumiosystem etc. to set up your own HIFI player network Updated DAC chip with BBTI Company's PCM5122 chip. PCM5122 DAC chip and I2S interface Perfectly compatible with the official Raspberry Pi PI HAT size PCB board with gold plating on the tall curved traces high-end HIFI DAC are using curved alignment to better ensure the continuity of the impedance signal to reduce signal reflections and refractions It has I2S port and you can use the I2C port to control the volume and the frequency parameter. It support 16 to 32 frequency data format. Distortion and dynamic condition are very ideal. It supports the high 384 kHz sampling frequency and dynamic range is 112dB with distortion factor -93Db With isolated power design the Raspberry Pi power and DAC part of the independent power supply are isolated. Common ground without disturbing each other through the beads it can get rid of the current sound. material: metal package content:1 x Sound Card Module Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm. About Us We provide the good product with the best pricewe support Wholesale/Drop Shipping Order 1. For Drop Shipping order please remark"dropshipping order" we will prioritize it. 2. For Wholesale/Drop Shipping orders if you have any ideas about the price or packageplease contact us in advancewe will give you the best service to satisfy your demands. About Shipments 1.We will send out the orders ASAP once your payment is completed normally. 2.Please write your complete delivery address with correct phone number and zip code especially please confirm your full name. About After-sale Service We are reliable seller and we have our professional after-sale service for all of our customers. If there is any question about the orderplease contact us in advance we will always here until you get a happy answer. About Feedback 1. Please check the package and item when you get carefully to make sure there is no problem. 2. If you have any problem or are not entirely satisfied with your packageplease don’t be hesitate to contact us first before leaving negative feedback. We will resolve the problem to satisfy you. 3. If there is no problem please leave us five star positive feedback. Your affirmation is our greatest motivation ! ! !