Check the listing for details. VocoPro Portable Karaoke System (SingTools-PRO). Condition: New. Listed at 361.00 USD. VocoPro Portable Karaoke System (SingTools-PRO) 100 vocal effects with powerful 24/56bit Multi-DSP processing DSP pitch correction will tune your voice to the range of any key you choose Vocal eliminator will reduce up to 90 percent of the original vocals that are recorded on the center channel of non-karaoke tracks Mpx left/right mono selector (vocal cancel) for Multiplex karaoke Package includes: in "1 box"sing tools: professional vocal effect mixerpv-wedge: 100 W stereo powered monitor speakermark-38pro: wired micmp-35: mic standsts-15: cable