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[dropcap]C[/dropcap]ome from our customer xServa95. and thank you so much for your sharing.
This is one of the best amplifiers from DROK. It digs deeper in the bass and sounds clearer than 2024 amplifier. Our suggestion is that you should use the amplifier with speakers less than 60W.
TDA7297 amplifier adopts dual-channel amp chip and therefore can be power supply of direct current such as 12V battery. Its voltage range is 6-18V with 12V as recommendating operation volt and its working efficiency could be as high as 90%, quite energy-saving. If you power the amplifier with 12V motor battery, it can play continuously for more than 5 hours. With output power reaching 15W+15W and peak power being 30W+30W, this amp board is tiny in size but produces amazing sound.
Due to reasonable circuit arrangement, TDA7297 amp module has no current impact sound and static noise when it is power on. Its fine as well as smooth, soft,transparent and sweet high pitch along with its strong, full, powerful and flexible bass both contribute to its super high-quality sound.
There are wiring terminals on the board, meaning only screwdriver but not electric iron is required to achieve rapid wiring connection. Its simple and rapid connection has everything to do with two steps. Firstly, please connect the 12V wiring terminal to AC/DC 12V power supply and 3.5mm audio input signal. Secondly, you should connect output terminals of left and right channels to speakers.
Too easy to have anything with your electronic knowledge. And with the help of wiring diagram, you can get everything done. Really simply DIY amplifier, isn’t it?
This TDA7297 is designed according to standard circuit with 1.6mm-thickness and high-quality FR-4 fiberglass being used on its PCB circuit board with reasonable wiring and compact component layout.There is no current impact sound when power on and 100% without static noise. For more detailed parameters of TDA7297, please check on ST official website: TDA7297 Circuit. TDA7297 Circuit.
This TDA7297 amplifier board is equipped with heat sink and would be warm when in middle-volume.If you often use the amp in very high volume, we suggest you to replace its heat sink with larger one that could be made of aluminum. We reserve fixing holes for large heat sink on the PCB circuit board before, allowing convenient and fast installation.
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