This is a plug and play offering, but it seems to improve sound quality even with cheap headphones and even give you a surround sound experience. After my friend broke the headphone jack on her laptop, I had to come up with something. Now she is using her computer again and the purchase has worked really well. Can I say it's better than my amp and DAC that I paid $250 for? No, but it's definitely a noticeable upgrade from stock, and a huge upgrade with the headphone jack busted.
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