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TDA2030A 2.1 Stereo Audio Amplifier 3 Channel Subwoofer Bass Amplifier Board
- After filtering stage rectifier circuit coupled 0.1uf decoupling capacitor, effectively eliminating the parasitic coupling between networks, interference suppressed Wenbo great extent. Rectifier filter capacitor using two 25V/4700uf capacitors, large capacity filter, the power is more pure. Increased three-pin socket, with 3.5MM audio jack, the input signal is more convenient, Speaker and power supply part of all terminals, a great convenience KF301-2T 5.08MM pitch connection requires only a screwdriver can be quick and easy to complete wiring, it is suitable for the majority of DIY players to complete the connection.
- The amplifier board three-channel output 18W * 3 strong power, peak up to 25W or more. High SNR, almost no static noise, sound quality is very good: treble delicate, soft, transparent, strong bass, full, powerful. The main chip is three original new ST TDA2030A chip, which is responsible for about two-chip channel full-range output, strong power, in addition to a separate subwoofer as input, powerful bass, lead bass part using a divide only imported Philips dual op amp IC (large S NE5532 or NE5532) as a low-pass filter, bass shock full power, very powerful!
To cope with the use of the amplifier board, please note the following points:
1.subwoofer box and subwoofer power should be large enough
2.subwoofer cabinets recommended to install the appropriate sound-absorbing cotton, due to the low frequency of the subwoofer output interface, only 50HZ, the general effect of the speaker is not right, so to get a better bass effect, but also need to match good subwoofer