Power output:   3W*2(RMS) R . M . S . 10%THD
  Impedance Output:   8 Ohm
  Speaker Drive:   2.25"
  Frequency Response:   L:80Hz - 20 kHz
  R:80Hz - 20 kHz
  Pack   box:166×103×191mm
  Ctn:513×535×402mm
  30set/ctn