Speaker system spec:

Commodity: Speaker system (YP-68)
Output Power: 18W+3Wx2(RMS)

P. M. P. O: 2800Watts

Subwoofer: 18W 4(ohm)

Satellite: 3W 4(OHM)

Frequency Response: 30Hz-20KHz

THD: 0.3% 1 W KHz

Degree of dissociation: . >=45db

Signal-To-Noise Ratio: >=85db

Power Requirement: AC-220V/50Hz (Power compliance)

Drive Units: 4 inch+3 inch*2

. Wooden box can avoid effectively Resonant and sound;

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