The amplifier has a large volume and large heat dissipation area. r2 amp r3 on the circuit are for vented enclosures, power audio amplifier with tda7377 2 1 stereo subwoofer 2x 12. 1pcs/lot TDA7377 amplifier IC ZIP-15P original authentic. Small amplifier tda7377 of 15w + 15w + 30w in 4 ohms at the request of our followers, we have developed an amplifier with the following. The transistors Q1 and Q2 form the preamplifier stage. Bass, treble and volume control…It allows a listener to adjust the tone of the sound produced by an audio sys… Then, I found this circuit, Tone Control Stereo (bass-treble) using two NE5532. IC Chips TDA7379/TDA7377 The UTC TDA7377 is a class AB car radio amplifier for car radio, it can work either in dual bridge or quad single ended configuration. Shop Quality & Best Integrated Circuits Directly From China Integrated Circuits Suppliers. The circuit has balance control (P2), if not just need to connect the jumpers The TDA2030 integrated circuit is the best choice to make a good audio.