150W + 150W MAXIMUM POWER. DIGITAL ECHO WITH REPEAT AND DELAY CONTROLS TO ADD DEPTH AND SPACE TO VOCALS. MICROPHONE INPUTS WITH INDIVIDUAL VOLUME CONTROLS. FOR MORE INFORMATION KINDLY REFER TO THE USER MANUAL IN PRODUCT DESCRIPTION BELOW. VOCOPRO KR-3808 PRO Karaoke Equipment. As well as three microphones at once for a complete vocal experience. There is also a handy 1/8 audio input right on the front panel to connect your Mp3 player or laptop. Digital Key Control, echo effects and mixing controls provide the ability to enhance music and vocals to improve your vocal performance. The KR-3808 PRO combines home entertainment capabilities with professional features providing a powerful, yet easy to use system for any vocal setup.