Frequency response: 20HZ-20KHZ ± 0.3dB

Gain matching: ± 0.2db

The spectral change: +0258db, 20Hz-20KHz

The signal / noise - dynamic range: >100db

Total harmonic distortion: 0.005%, 1kHz; 20hz-10kh, <0.01%; 10khz-20khz, <0.025%

Dynamic range: >105db

Power supply: 220V

Weight: 3.6kg

Volume: 48.3*4.5*15.9cm

Working temperature: the temperature: -1.5~+50 ℃