The complete VocoPro Viper II is contained within 2 carpeted road cases. Enclosed in the top case of the karaoke machine is a single-space 250W power amplifier and VocoPro's CDG-X3 Mark II player. The Mark II CDG player is shock resistant and features a cassette deck to play and record, digital echo and delay, a 19-step digital key control, 3 microphone inputs (one for announcements or instruments), vocal cancel and vocal partner Karaoke features, plus plenty of expandability options. The lower case has 2 professional 15" Eminence woofers enclosed behind sturdy metal grilles and 2 Motorola horn tweeters.