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The classic TDA7294 IC is used for amplification. Three pieces are used in total, one left and right channel and one subwoofer, 5532 for front-stage operational amplifier, and the potentiometer is fully sealed.
Refer to the official circuit, the bass is strong and powerful, the high bass is delicate and durable, no noise, no impact on and off, it is a cost-effective, good sound quality 2.1 amplifier board
careful material selection and reasonable design. In order to facilitate the chassis with various hole spacing, the extension cable is specially designed for adjusting potentiometer. The length of the cable is about 20cm, which is convenient to install. It is very suitable for DIY
potentiometer from left to right respectively: subwoofer volume adjustment high bass adjustment total volume adjustment
The board is a finished Board, which has been equipped with heat sink test finished Board
Product Name: fever level TDA7294 2.1 channel HiFi subwoofer amplifier board finished Board with heat dissipation test good
product outer size: See picture below
input voltage: AC double 18-26V (recommended voltage 24V-0-24V transformer above 200W)
output power: 80W +80W subwoofer for left and right channels: 100W(4-8 euros can be used)
signal-to-noise ratio: 95DB
net Weight: 0.7kg the bag will be about 1KG
accessories: 4 copper pillars for fixing circuit board
price: Finished board with heat sink tested well at 295 yuan/piece
Designed with external potentiometer lead wire, easy to install chassis, line length 20CM, especially large heat sink, heat dissipation enough
wiring diagram and product outer size are as follows: Power supply recommended AC 24-0-24 more than 200W transformer, the low frequency is powerful, watch large movies, listen to DJ Super Cool
the components on the board are all made of brand new authentic products. The filter uses two 10000uF/50V NOVE Gold audio fever grade supplements capacitors. The output power chip uses imported TDA7294, which is strong and powerful.
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