ขาย Pam8406 บอร์ดขยายเสียงดิจิตอลพร้อมตัวควบคุมระดับเสียง ราคาที่ดีที่สุด

Product parameters: -micro volume: 23x24mm -excellent noise suppression, and no noise can be heard without receiving audio input from the speaker in the ear -dual channel stereo, 5v power can output 5w+5w power, direct drive 4, 8 small speaker, output power, sufficient energy, sound quality, with right and left channel volume adjustment. -unique class d digital power panel without lc filter, which can be powered directly by computer usb. -double-sided panel wiring to properly address the potential balance and crosstalk caused by the wiring -ultra-micro-design, which can easily be placed in the small interior space of various digital products, with high magnification efficiency. -all machine-based welding of whole board, welding quality of non-manual soldering iron is comparable -rated working voltage 2.5-5v, limit working voltage 5.5v. Note: the negative pole at the left and right channel output end cannot be joined together, otherwise it will burn ic, and the horn (load) should be mounted before electricity is switched. Note: this module is not provided with schematics and other information. only the link map of the web page is available. please note that buyers are advised to pay attention to it