Home / ART915S Configuration: Multipurpose 15 inch 2-way Max SPL Output: 135 dB Freq Range (-10 dB): 44 Hz to 20 kHz Freq Response(-6 dB): 47 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: 75 core 170 magnetic MF: n/a HF: 44 core 100 magnetic Coverage Pattern: 90° x 50° nominal Enclosure: Plastic Dimensions (mm): 719 x 415 x 409.5