Avid 9900-65163-12 Pro Tools MP plus Fast Track Track C400 - High Performance 4x6 Pro Tools MP Studio Bundle Ensure your recordings sound amazing with pristine, 24-bit/96 kHz audio fidelity 4-input/6-output design lets you capture and play back multiple sources Inspire great performances using the near-zereo latency monitor mixer with built-in reverb and delay effects Verify that your mixes sound great-and translate well-by connecting up to 2 sets of studio monitors (or 1 set of monitors and a subwoofer) and easily switiching between them Get immediate access to the most commonly used controls