The machinefit the place such as HI house, performing hall, song dance hall .
It asole fit to perform  in the open air.The professional designed  makes the
low sound more powerful and clearer.

（1）Subwoofer speaker with amplifier.
（2）Using advanced circuit and japanese power tube with Toshiba,
  the distortion is very low.
（3）High DC power output, with auto protect circuitry of speaker
  and power tube, it can keep the stability.
（4）The frame of this produce is 2.5 cm ply of high density mid-fiberboard.
（5）Using high quality low frequency speaker, the bass is more powerful.
（6）With particular deadening, it reduce the resonance, and the sound is clearer.

Specifications：
   output power 360W（4Ω）
   Frequency Response 40Hz-250Hz
   Speaker sensitivity 90dB
   Impedance 4-8Ω
   Modality 15inch subwoofer
   Dimensions(cm) 75.5x58x60.5