Audiophile on journey to improve and anjoy his sound system. I actually have 2 main system. 1 when I work from home and this involve my gaming computer sending audio via USB to a Topping E30 Dac to a SMSL SApII amp to Sendy Aiva headphone. The other system is when i want to really anjoy music, so i sit in my coutch and i use the 2nd system that involve a Allo USBridge Sig (streamer) so USB to a Sabaj D5 dac to a SMSL SP200 amp in balanced then to Sendy Aiva headphone in balance over a 16 core wire. The sound is magic.