For the price this item is awesome. It installed in seconds on my WIN8.1 with no drivers required. It Produces much better sound quality than the sound card on my HP Pavilion notebook PC. From unpacking to clear beautiful music in only 2 minutes. This item out Performs Reviews another USB Sound Card That I-have That cost me 10 times more. I highly recommend this tiny but very high quality product. I'm Very satisfied with this product.