Burson Conductor 3 Reference is the top of the line Dac, Headphone Amp, Preamp that provides two 6.5mm headphone outputs (if you want balanced out, see the Con. 3X Ref. model). Compared to the X version, the awesome dual dacs,, preamp, remote, bluetooth are all the same. The amp output is different but similarly capable, with a stonking 7.5 watts Class A output rating, making this able to drive virtually any headphone with headroom to spare.
*Dec 26/27 special - Free Bonus, new Burson Power Supply 3A (Reg price $349). Improves detail and soundstage of your Burson amp.