[O2%2520AC%252020%2520Khz%2520THD%252BN%2520Both%2520Ch%252015%2520Ohms%2520Ref%2520400%2520mV%2520RMS%2520Vol%253D50%2525%2520THD%2520BW%252088%2520Khz%255B2%255D.png]