Purchased for a studio project and never used

https://mackie.com/en/products/mixers/profxv3-series/ProFX30v3.html

30-Channel 4-Bus Professional Effects Mixer with USB The Mackie ProFX30v3 30-Channel Professional Effects Mixer with USB is the ultimate affordable solution for live sound, home recording, and content creators. Now with our renowned Onyx mic preamps that offer 60db of headroom, everything from gain hungry mics to guitars will sound better than ever, and you can keep it all in check with simple single-knob compression. The new GigFX™ effects engine offers 24 built-in FX for even more options for adding the finishing touch. Record your tracks in 24-Bit/192kHz quality with 2x4 USB I/O plus zero-latency hardware monitoring for easy overdubs.

The Mackie ProFX30v3 Professional Effects Mixer with USB is the ultimate affordable solution for live, home recording, and content creators. Now with Onyx mic preamps that offer 60db of headroom, single-knob compression, and 24 built-in FX. Record your tracks in 24-Bit/192kHz quality with 2x4 USB I/O and zero-latency hardware monitoring.