Rane TTM 57SL Performance Mixer with Serato Scratch LIVE Software Control Vinyl and CDs Lowest latency vinyl emulation system on the market Side A: 10 minutes plus Vinyl Select area Side B: 15 minutes Continuous control signal allows smooth accurate scratching Innovative positioning system allows fast, accurate needle drops Visible time markers on vinyl Includes two 15-minute control CDs Rane TTM 57SL Mixer Two Input Buses PGM 1 selects Analog 1, Analog 2, Digital 1, Digital 2 Select An The TTM 57SL combines all the performance and features of the Rane TTM 56 with Serato Scratch LIVE software But Rane didn't stop there -- they also included internal effects with six stereo insert points The TTM 57SL DJ mixer combines the best Rane and Serato have to offer in a single, high performance mixer The Rane TTM 57SL fully integrates mixer hardware, software, and software controls in one powerful package