The PBK-1 works by having your PC or Laptop send a series of test signals to the subwoofer via a USB connection.
Ọrụ PBK-1 na-arụ ọrụ site n'inweta PC gị ma ọ bụ Laptọọpụ zigara usoro nlele nke nyocha iji subwoofer site na njikọ USB.