VocoPro DA-3700PRO Digital Karaoke Mixing Amplifier delivers professional-grade sound for home or commercial setups. This 500W unit features a built-in digital key controller, allowing for pitch adjustment to suit any singer's range. It offers dual microphone inputs with individual gain, balance, and 3-band EQ controls, alongside a dedicated echo section for depth and character. The rear panel provides multiple RCA inputs for CD, DVD, and VCD players, plus dedicated mic inserts and video I/O. Built with a rugged rack-mountable chassis and integrated cooling fan, it ensures reliable performance during long sessions. The front panel includes master volume controls for both microphones and music, with a clear LED display for key settings.