5pcs Pam8403 Mini Digital Power Amplifier Board Usb Dc 3w 5v Supply Audio

US $7.45

ShenZhen, China
Mar 6th

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Payment Shipping Return Policy Feedback Contact us 5pcs PAM8403 Mini Digital Power Amplifier Board USB DC 3W 5V Supply Audio Description Features: Special internal output processing circuit, eliminating the conventional LC network, EMI values lower than the LC! Maximum power output at a lower voltage, super-power, internal electronic switch stand, built-in high-gain buffer amplifier built in short circuit protection. "Power": 3.6 to 5.5V, single-cell lithium battery or USB-powered appropriate, also be four 1.2V batteries, power transformers must add 5V regulator circuit chip will burn more than 5.5V. Super mini digital amplifier board, new high efficiency digital amplifier, the input 5V obtain [3 x 2] 6W of power, ultra-thin board that is very easy to put into a small plastic box or other device in the slot, such as to create MP3 / 4 or external speakers and other small laptop, as you imagine, is recommended to take the USB power supply with a single 5V or lithium. Specification: - Spacing between the aperture: 2 mm - Output power: 3 w + 3 w (4?) - Power supply: 3.6 v - 5.5v - Location hole size: 20 mm - Size: 24 mm * 15.5 mm - Efficiency: > 90% - SNR: 90 dB Note: - The power of positive and negative can not be reversed, the supply voltage must not exceed 5.5V, these two violations could result in IC damage. - On-chip high-gain buffer, the board can not change any component parameters do not meet the parameters will result in IC damage. - Please try to use the line input cable with shielded, can play a role in anti-interference, eliminating clutter current sound. - Output cmos tube BTL drive mode, the speaker can not be negative about together, that is connected to the speaker four lines are completely independent, does not allow total access! Package Included: 5pcs PAM8403 Mini Digital Power Amplifier Board USB DC 3W 5V Supply Audio ++ Payment ++ ++ Shipping terms ++ ++ Return policy ++ ++ Feedback ++ ++ Contact us ++ We only accept payment through Paypal. we hope you can pay them within three days. Please kindly note that if, within 7 working days, we have not received your payment. we will send a request to the eBay Solution Center (this may cause us to cancel this transaction) But also there are some reasons,then please let us know. We only accept your Ebay Address,Please Make sure it's 100% right. The items you ordered will be shipped out in 1 business day by Air Mail when your payment is clear. The arrival time is 5-20 business days to United States usually. If you are not satisfied with the item, please contact with us. We will offer Full Refund to you when we receive your returned item. Any problem, please feel free to contact with us. If you are satisfied with the products,I expect you can leave us a positive feedback. If you have any problem or be not satisfied with them,please feel free to contact us,we will reply you within 24 hours. We care about our valued buyers, if you have any questions, our Customer Service staffs will be very glad to help you. We try our best to reply to your emails as soon as possible, however, due to high volume of daily incoming emails and time zone difference, we may not be able to reply your emails immediately. Please allow 24 business hours for us to response. About item:For the functional products in our shop, we make sure that the functions are the same as description, but the actual color and shape may looks a little different from pictures because of the technical improvement and manufacturing variance. Please be advised before you bid. On Mar-05-15 at 07:08:07 PST, seller added the following information:

Condition:	New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store, unless the item was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. See the seller's listing for full details. ...	Brand	100%New
MPN	PAM8403
Model	digital power audio amplifier