Sound balance to influence the overall response of the speaker Technical specifications Max SPL (1m, pair): 109dB Principle: Bass reflex Crossover Frequency: 4.3kHz Tweeter: 1in soft dome Mid: N/A Woofer: 7in Dimensions (W x H x D): 186 x 320 x 296mm Weight: 8kg Sensitivity (85dB @ 1m, free field): +6dB: 50mV 0dB: 100mV -6dB: 200mV Specification sheet for LYD part 1 Amplifier: Power (Tweeter/Woofer): HF 50W/LF 50W Type: Class-D Power consumption standby: <0.5W Power consumption max.: 100W Input voltage: 90 - 264V AC, 50 - 60Hz Inputs: XLR balanced / RCA unbalanced Outputs: N/A Cut-off frequencies -6dB limits: Bass extension +10Hz: 65Hz - 21kHz Bass extension 0Hz: 55Hz - 21kHz Bass extension -10Hz: 45Hz - 21kHz Free field frequency response: 55Hz - 19kHz