[DAC+Mixer] My G6's USB is slowly dying need recommendations

Hello as the title says my sound BlasterX G6’s USB socket is becoming more and more unreliable by the week! It has served me well for the last 5-6 years but I feel like I need to look out for alternatives to replace it.
My use case for the G6 was as a DAC (to feed headphone amp and Speakers) and also audio mixer for simultaneously have pc and console (optical in required) audio. Mainly use Linux so a device not reliant would be preferred! I have been looking for the last few days but have not found alternatives that are not much more expensive than 170€+ and reliant on software to set up. Is it unrealistic to find smth suitable for my use case at below 120€ range?

Currently how I set up the audio route for consoles: