Product Name: Ttl55A Professional Audio 3 Way Powered Speakers Double 12 Inch Dual 15 Inch Full Range Loudspeaker System Model NO.: TTL55A THD: 0.005%-0.01% Monitor: LED Screen Certification: CE, RoHS Application: Commercial, Home Speaker Material: Wood Speaker System: Optional Combination Operation Mode: Wire / Remote Control Activity: Active Hi-Fi: Hi-Fi Noise: <102dB Special Feature: Portable, Wireless Use: Computer, Home Theatre, Karaoke Player, Mobile pH Item: Active Line Array Speaker Product Name: Three Ways Active Line Array Channel: 3 Channels Keyword: Professional Line Array Loudseaker Feature: Outdoor Line Array Speaker Trademark: ACTPRO Transport Package: Flight Case Specification: SIZE: 377(310)*550*1020mm Origin: Guangdong, China (Mainland) HS Code: 851829 Product Description Ttl55 3 ways Professional Active Line Array Loudspeaker Outdoor Performance LoudspeakerProduct InfoProduct Display