The TWISTER-RV Karaoke System is an upgrade to the powerful Twister system with additional features to enhance your performance. It has a 13-step digital key controller, 6 microphone inputs, a pitch control slider, and professional vocal effects including echo, hiss filter, and reverb. The TWISTER-RV offers a shock resistant CD/CD+G player and a cassette deck with record level control that can be used to instantly make demo tapes. An included remote control allows you to operate the recording and playback functions from a distance. The entire karaoke system is built into a rugged rolling road case with 125W per side three-way stereo speakers. The TWISTER-RV is portable and easy to hook up to any television or monitor for a complete performance system.125W + 125W maximum power output 13-step digital key controller Built-in variable speed, skip-free, shock-resistant CD/CD+G Player Built-in variable speed cassette deck with record level control and LED meter Digital Reverb and Echo with microphone bass/treble controls Connect up to 6 microphones Vocal Cancel and Vocal Partner to remove vocal on karaoke CDs and tapes Audio/Video Input/Output jacks easily connect to other systems Professional road case with metal grille and wheels 6-speaker system makes you sound great Remote control