The DX-2II (DX-211), was a breakthrough of Better Music Builder from the 1st generation of Better Music Builder, whether in quality or sales the DX-2II was a great success. It was and still is the one of the most reliable mixing amps for the karaoke systems. Now DX-2II is regarded as the traditional amplifier with traditional design with its 4 inputs and remote control, it is still one of the best selling of Better Music Builder.