Features: 
a) Speaker: 4" + 3" x 2
b) S / N: greater than 86dB 
c) Frequency response: 30Hz - 18KHz
d) Impedance: 4Ohm
e) Power output (): 20W + 5W x 2

We are committed to doing our best for you, and welcome inquiries for Woofer.

Contact information: Inquire

Address:	3rd Tangxiayong Industrial Park, Songgang Town, Bao'an Dictrict, Shenzhen City, Guangdong Province. China
Company Name:	Jiashan Tianlong Electronic Enterprise Co., Ltd.
Contact Person:	Mr. Zheng
Fax:	86-755-27067428
Mobile Phone:	86-13808837588
Telephone:	86-755-27067418
Website:	http://www.tlhj.com
Zip:	518105