Here is another case that lets you do more with your Raspberry Pi. The Argon x NanoSound ONE is a Hi-Fi DAC case with 192kHz sampling rate and 24-bit resolution. It comes with an infrared receiver, remote control, and an app. The NanoSound player runs an open source audio player (Volumio).
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This case has an aluminum enclosure that acts as a heatsink for your Raspberry Pi. It gives you access to GPIO pins.
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