Home / ART912S Configuration: Multipurpose 12 inch 2-way Max SPL Output: 131 dB Freq Range (-10 dB): 50 Hz to 20 kHz Freq Response(-6 dB): 53 Hz – 18 kHz Input Connectors: 1xBalanced XLR/¼ ” input Input Impedance: 20K Ohms (balanced), 10K Ohms (unbalanced) Signal Indicators: OVERLOAD, SIGNAL, POWER. Design: Class-D Power Rating: 1000W (2 x 530W) @40HM Ampifier Protection: Thermal limitin, output overcurrent, overtemperature muting LF: 65 core 156 magnetic MF: n/a HF: 34 core 100 magnetic Coverage Pattern: 90° x 50° nominal Enclosure: Plastic Dimensions (mm): 621 x 360 x 355