30Wx2 + 60W 2.1 Channel Subwoofer Amplifier Board High Fidelity Digital Audio Amplifiers With Panel

Feature 1 TPA3118 high power amplifier board 2 30w 8 ohm 60w 4 ohm output this board uses the official standard circuit to turn on sufficient power and low heat 32db gain test 2 When the volume is not turned on the volume is turned on at the maximum and no low noise can be heard The test power supply is 3c and ul certified power supply As long as the power supply does not interfere with the power amplifier board itself as long as the audio cable is connected there will be no interference If there is no interference it is perfect 3 This circuit design uses the tpa3118 chip test application circuit instead of the official standard circuit so please do not make any changes to the composition circuit on the power amplifier board to avoid unnecessary losses due to overheating Specifications Power supply DC15 25VCurrent ≥4AOutput power 30 watts 30 watts 60 wattsOutput channel 2 1 three channelsFrequency response range 20 18 5 kHzHarmonic distortion THD 1 The power requirement is 15 25V 4A or higher 2 30W 8 ohm 60W 4 ohm can work normally If you only use a power supply lower than 3A it is ideally 2 25W 8 ohm 50W 8 ohm Package Included 1 x 30Wx2 60W 2 1 Channel Subwoofer Amplifier Board