QKZ DM10 Price in BD | QKZ DM10. QKZ DM10 Price in Bangladesh. QKZ DM10 has ear and tail pipe connection is designed at an oblique angle. These headphones are made with metal CNC zinc alloy material. It has 12mm NdFeB speaker, 5mW maximum input power, built-in microphone for hands-free communication. The earphone cable is 1.2 meters long, making them ideal for use as training headphones, comfortable and easy to wear, 15g weight.