Only used a couple of times, less than 2 hrs. Great Sound and Zero-latency Monitoring Singer/songwriters and content creators will love the Mackie Onyx Producer 2-2. High-resolution 24-bit/192kHz converters combine with premium analog circuitry to deliver top-notch sound. A pair of boutique-sounding Onyx mic preamps provides excellent fidelity and dynamic range, while their XLR/TRS combo inputs accommodate just about everything. You also get a hi-Z switch on each channel for DI-ing your guitar or bass. Zero-latency direct monitoring and a headphone output make tracking a breeze. And you can hook up your synths, controllers, and other hardware with ease, thanks to built-in MIDI connectivity. Bus-powered for the ultimate in portability, the Onyx Producer 2-2 is a great way to capture any performance.