Product Name: Vtx A12 Line Array Speaker and G28 Dual 18 Inch Subwoofer Sound System PRO Audio Model NO.: A12 and G28 Certification: CE, SGS Application: Commercial, Show Speaker Material: Wood Speaker System: Optional Combination Operation Mode: Wire / Remote Control Activity: Passive Hi-Fi: Hi-Fi Noise: <102dB Trademark: DIASE Transport Package: Fly Case Specification: 330.2mm*1117.6mm*495.3mm Origin: Guangzhou, China HS Code: 85182200 Product Description DUAL 12 INCH PROFESSNAIL LINE ARRAY A12Specification:Description:3-way full-range active enclosureUsable bandwidth (-10 dB):46Hz-19kHzMaximun SPL:146dBNominal directivity:Horizontal 90°Vertical Array shape dependent 0°- 10° Transducers:HF:2*3" MF: 4*5.5" LF:2*12" Nominal impedances:HF:16ohms MF:8ohms LF:2*8ohms Rated power (continuous pink noise / program / peak):HF: 150W / MF: 400W / LF:2x800W RMS: HF: 300W / MF: 800W / LF:2x1600W SUBWOOFER G28 DUAL 18 INCHWelcometoinquiry !!!