502AES is coning September. 502DAC is in stock now. It has Toslink, isolated AES Coax/RCA (we supply the BNC to RCA adapter) and isolated AES balanced via 1/4" TRS jack (we supply the 1/4" to XLR male adapter).
The main benefits of the 502AES is IS2 over HDMI and isolated external clock in option.
Michael