SAMSON StudioDock 3i.

Used, in great condition. Powered bookshelf speakers featuring multiple connectivity options, including:

A built in DAC with USB audio interface

3.5mm audio input jack

3.5mm headphone out port

Stereo L/R RCA input jacks

And above all, a dedicated 30-pin iPod dock connector for hooking up your vintage Apple iPods and media devices! Works out of the box with all non-Lighting iPods, iPhones up to 4S, and even iPads up to the 3rd Gen (extension kit required for connecting iPads).

Can also be used with more modern Lightning and USB C devices with the appropriate adapter!