Disassemble the unit, 40MM speaker, 32 ohms, with unit protective shell, so you can perfect in transit to protect the diaphragm, remove the side cover to receive their own sound aspects of three-band equalizer, no praise alt beautiful word, bass quality and quantity, the unit has posted a good tuning cotton, cell protective shell white majority, less black, except for the color of the outside work without any difference in sound quality
Unit, wire, plugs are DIY materials, when you received the goods, please do not direct welding materials, we have tested and checked before shipping, please test with wire at first, and use a multimeter to measure,any problem,please contact Customer Service in time.