Modul PAM8403 / Amplificator audio 2 x 3W (p.011)
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Produs:Nou, Fără garanție
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Numar articol:210735836
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Disponibilitate:Indisponibil
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Preț:9,00 Lei
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Anuntul a expirat la:11.05.2024, 00:00
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Miniature digital power amplifier board 2 * 3 w class D power amplifier board high 2.5 ~ 5 v can be USB power supply
Customer common problems:
1, 2 * 3 w miniature digital power amplifier board class D power
supply can use the computer?
Answer: power amplifier board can use a computer power supply, but
will produce noise may be produced (also some customers did not
appear murmurs), the best advice of independent power
supply.
2, miniature digital 2 * 3 w class D power
amplifier boards with the speaker of the house is good?
Answer: our speaker is only provide DIY players try, sound is not
particularly good, if the pursuit of high sound client can buy
separately.
3, 2 * 3 w miniature digital power amplifier
board class D why there are noise after power on the speaker?
The answer:
1, appear whistlers, should be the audio input
line, the introduction of shielded wire should be used for audio
input line, and then there is audio input line don't hung up to
connect good audio source.
2, is a kind of reason may be that some power
supply is bad interference is very big, switch power supply.
Customer common problems:
1, 2 * 3 w miniature digital power amplifier
board class D power supply can use the
computer?
Answer: power amplifier board can use a
computer power supply, but will produce noise may be produced (also
some customers did not appear murmurs), the best advice of
independent power supply.
2, miniature digital 2 * 3 w class D power
amplifier boards with the speaker of the house is good?
Answer: our speaker is only provide DIY players try, sound is not
particularly good, if the pursuit of high sound client can buy
separately.
3, 2 * 3 w miniature digital power amplifier
board class D why there are noise after power on the
speaker?
The answer:
1, appear whistlers, should be the audio input
line, the introduction of shielded wire should be used for audio
input line, and then there is audio input line don't hung up to
connect good audio source.
2, is a kind of reason may be that some power supply is bad interference is very big, switch power supply.
Good noise suppression, under the condition of the connected input audio, ears also can't hear any noise on the speaker, dual channel stereo, 5 v power supply can output 3 w + 3 w power, can be directly driven 4 Ω, 8 Ω small speakers, big output power, energy, sound quality is good. Unique without LC filter class D digital power board, can use computer USB power supply directly.
Double panel wiring, properly solve wiring caused by potential balance and crosstalk between channels, super mini design, can be easily placed in a variety of digital products within a small space, high amplification efficiency. Are all made of solid plate welding machine, welding quality of the manual soldering iron welding comparable!
Size: 1.85 x 2.11 cm
Note: the left and right sound channel output end and "negative" can't meet together, otherwise will burn IC, and then good speaker should be taken before electricity (load).
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