ماژول آمپلی فایر استریو 15*2 TDA7297 همراه با ولوم کنترل میکروفن

Board size [84 * 78mm - with radiator length] potentiometer spacing 20mm, potentiometer mounting hole 7mm, pcb fixed hole diameter 3mm

TDA7297 amplifier circuit, then with two-channel amplifier board, output power 15W + 15W, 12V single power supply, 12V AC power supply can be 12V DC power supply (such as batteries, switching power supplies), namely 25W Power requirements 2A or more, can be easily Push 10-50W speakers, sound loud and sweet, high signal to noise ratio, can be when the desktop audio, can also carry to the wild, listening to songs, propaganda arbitrary. The circuit is supported by a condenser microphone that is an electret microphone and does not support moving coil microphones. The board also has to MP3 decoder board 9V power supply and audio input pin holder and get decoders directly into this board can sing, they can be combined into a highly cost-effective multi-function stereo. Ingredients: PCB selection of ultra-hard glass plate thickness of 1.6mm (FR-4), the original dedicated amplifier chip, 1% precision metal film resistors, high-quality electrolytic capacitors, monolithic capacitors.