Basic Info.
Product Description
Olearn PAM8403 Super Mini Digital Power Amplifier Board
DescriptionProduct Description
Miniature digital power amplifier board 2 * 3 w class D power amplifier board high 2.5 ~ 5 v can be USB power supplyCustomer 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!Super size: 1.85 * 2.11 cmNote: 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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We focus on generic 3D printer parts and CNC parts, stock all of them for fast delivery.
If you need someone who stands behind you and not competitive with you directly through Amazon, Ebay, Aliexpress or anyother online platforms, OLEARN is your best choice.
Welcome to inquiry for more detail about 3d printer spare parts and cnc parts.
Here is our office web, welcome to open and browse!
ShippingFor the delivery issue, we cooperate with a professional forwarder company which would deal with all the issues for you during the delivery process with 7~10 working days super fast arrival time.
Also if you had official Express Account, we can also deliver the goods to you via Official Express directly.
FAQQ:What is the products ready time?
A:If we have enough units in stock, the products ready time would be within 3 working days.
Q:Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q:What's your price term.
A: Normally FOB CIF CFR EX-work,DDP,DDU etc.
Address:
Room 801, Geya Technology Building, Matian Jiedao, Guangming District, Shenzhen, Guangdong, China
Business Type:
Trading Company
Business Range:
Auto, Motorcycle Parts & Accessories, Computer Products, Consumer Electronics, Electrical & Electronics, Industrial Equipment & Components, Manufacturing & Processing Machinery, Office Supplies, Tools & Hardware
Company Introduction:
OLEARN was founded in 2015 with the misson of being your go-to retailer for affordable 3D printer part, DIY CNC router kit, desktop CNC machine. Before 2015, we only worked with the provincial dealer in China mainland and help millions of 3D printer hobbyists directly or indirectly. We pride ourselves on what we have done, but we want to do more over the world. With the kindly support of our clients, Olearn grew very fast in the past a few years and builded many cooperations in Europe, America, Africa and Southeast Asia. The SKUs in our line are more than 4, 000 now, it covers all generic 3D printer parts and DIY CNC rounter kits or desktop CNC machine parts nearly, also include CO2 laser support equipments. More nice technology outlet will be selected for your choice. What′s more, we are able to stand behind you truly and not competitive with you directly through Amazon, Ebay, Aliexpress or other online shops. In order to save your time and money, complete service is acceptable for Amazon Sellers, including customized packaging, Amazon label, FBA Shipping, etc. With the affordable price and full line of 3D printer parts & CNC router kit & CO2 laser support equipments, I′m assure OLEARN can be your optical partner in China. We welcome anyone who likes DIY to work with us, don′t hesitate to let me know if you have any advise or proposal.
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