Guangzhou Ruifeng Intelligence Technology Co., Ltd.  

Product Name: Line Array Active Sub Woofer Self Powered Sound System PRO Audio Model NO.: VS18S THD: Self Powered Subwoofer Monitor: LED Screen Certification: RoHS Application: Commercial, Multi-Fun⪞tion Hall,Banquet Hall Speaker Material: Wood Speaker System: Optional Combination Operation Mode: Wire / Remote Control Activity: Active Hi-Fi: Not Hi-Fi Noise: Self Powered Subwoofer System Type: Single 18" Self-Powered Subwoofer Sensitivity(1W/1m): 100dB Frequency Response: 35Hz~250Hz(