... with T&T.Production Lines:QC: Description: indoor/outdoor speaker 4 inch two-way speaker systemWhite or black plastic cabinet4” wooferblack ... , 0086-21-56133692Fax: 0086-21-26133691Sales Office: Room 2403, No.2 Building, Huasheng Edifice, Lane 519, Ao Men Road, Shanghai, China ... Co., Ltd. Half an hour.Welcome OEM & ODM orders 4 inch 2-way speaker system white or black plastic cabinet WSB-425T