Mackie ProFX12v3 12 Channel Sound Reinforcemen Mixer w Built-In Effects Open Box. The Mackie ProFX12v3 is a 12-channel mixing console featuring seven Onyx microphone preamps with 60 dB of headroom and a built-in effects engine with 24 built-in FX, making it well suited for live sound, home recording, and content creators. The integrated 2×4 USB […]... Read More