TDA1521 30W+30W Power Amplifier Board PCB Empty Board Dual Power BTL Fever Circuit Board

Description TDA1521 power amplifier board adopts dual power supply BTL fever circuit independent separation design which greatly improves the power output high signal to noise ratio higher separation and more durable sound which is better than LM875 Output power 30W 30W maximum 20W Speaker impedance 4Ω 8ΩTotal harmonic distortion 0 04 Signal to noise ratio 105dBFrequency response 14Hz 100kHz calculated by RC high and low pass circuit Maximum range 3 29Hz 482 291Hz Supply voltage recommended ± 15V the highest voltage cannot exceed ± 25V AC 18V full bridge rectifier is 25V PCB size 65 x 40 x 1 6mmFR 4 double panelFinished product size 65 x 40 x 32mm length x width x height Net weight about 35gPackage included 1 x TDA1521 power amplifier board