Description: Output Power: Typical 20W (maximum 30W) Speaker Impedance: 4Oh-8Oh Total harmonic distortion: Less than 0.04% SNR: 105dB Frequency response: 14Hz-100kHz Specification: Calculated by the RC high-low circuit, maximum range is 3.29Khz-482.29kHz Supply voltage: Recommended +/- 25V Maximum voltage can not exceed +/- 30V, 18V AC full bridge rectifier is 25V Package Includes: 1 piece Stereo Audio Amplifier Board Module DIY Kit( Parts, need assembling)
