Active Monitor. Any live performer appreciates the importance of good monitors. TESSEN-SM series active monitors are engineered to give the detail and clarity your performance needs without taking up all the space on stage. Focused power where you need it. Power: 800W, 1x15” HH woofer and 1” compression driver, frequency response: 58HZ – 20kHZ, Max SPL: 124dB, Inputs: balanced XLR/Jack, Output: balanced XLR. Controls: Volume, Preshape EQ, /MON/FOH/, Logo On/Off. Dimensions: (H x W x D): 355 x 580 x 510mm. Weight: 18,5kg.