Does Symphony I/O have better conversion quality than Rosetta Series and X-Series converters? Chris April 22, 2021 19:29 Updated Yes. Symphony I/O features upgraded components with a shorter conversion path resulting in lower converter latency, more accurate clocking and even more transparency and clarity in recordings. Related articles How do I use the low latency mixer in Maestro with Apogee USB interfaces? Does Symphony I/O support analog and digital I/O simultaneously? Why does Symphony I/O have USB 2.0 and not firewire? Comments 0 comments Article is closed for comments.