Precision PerformX Enterprises Business Information App. * General information about our services. * View our updated schedule of public Karaoke & DJ events. * Request karaoke songs that we do not already have for future events. * LIVE DJ Requests allows you to submit a song request at our events. * Submit a request for our services from within the app. * Follow us on Facebook from within our app. * Links to download the CAVS RS II app for wireless karaoke song requests. * CAVS app configuration instructions. PPX Hosts the # 1 Karaoke Sound System in the NJ area.