VocoPro DA-8900 is a versatile digital karaoke mixing amplifier that boasts an impressive 300W + 300W maximum power output and delivers 150W + 150W continuous output at 4 ohms. With its 15-step (half-tone) DSP key controller with auto-reset, you can effortlessly transpose the key of your music to match your vocal range. Enjoy customizable echo, repeat, and delay effects to enhance your singing performance. Record your karaoke sessions with the one-touch tape recording function, compatible with external tape decks.