Optoma NuForce uDAC5 for $180

The new condition Optoma NuForce uDAC5 goes for $199, but if you purchase it from the official NuForce Amazon store, the price will automatically drop by 10% in the shopping cart, making it a $180~ with free shipping. The shipment is fulfilled by Amazon, so Prime members get the usual free two days. Only the option sold by the NuForce Amazon store gets the automatic in-cart 10% off.

This too has a USB audio input and RCA and digital coaxial outputs. It supports up to DSD 256 and averages 3.9 out of 5 based on 7 customer reviews and has five answered questions. It is USB powered, there is no separate power input.