[ Factory, EXW price, quickly shipment, trade assurance, 10 years of OEM ]: 

Features:

1.this speaker is a 2*18" subwoofer speaker,1400W-2800W. 
2.full sound and powerfull bass, pure and natural tone quality, low, clean and loud as well.
3.suitable for outdoor place, best choice for stage,stadium, gym, touring performance and large scale performance.

Descriptions:

SB218 is a recommended and KUDO,TTL55A and supporting the use of the systhe of the low frequency sound box,can let the supporting system in minimum frequency extended to 28Hz.SB218 is a bass reflex regulation of speaker,by two 18inch Labyrinth typelow frequency speaker unit.The special design of 18” speaker unit,even is very high pressure conditions can also provide special cone cover characteristics,

and low heat compression.Bass the reflection of the fall in hole design more advanced,more benefit at the air circulation.Compared with previous products,SB218 match up with new breathable design, greatly  improving the SPL output, and get more low-frequency output when using.

Specifications:

Professonal Subwoofer :