TPA3118 Subwoofer Audio Amplifier Board Bluetooth 4.2 Amplifier W/ U Disk Remote

Description

new Bluetooth 4.2 with U disk playback lossless format support AUX (default) remote control high power high fidelity 2.1 three channel subwoofer HIFI power amplifier board.
Product description:
Product name:4.2 Bluetooth 2.1channel audio amplifier
Amplifier chip:TPA3118
Supply voltage:DC 12-24V 4A
Bluetooth version:4.2
Output power:30W*2+60W Subwoofer*1
Number of channels:3(left channel,right channel,subwoofer)
Size:99*66mm
Tuning control: high and low sound adjustment
Volume control: remote control + button control total volume
Features:
1. Volume tuning control:
The total volume is set on the switch board or remote control. The high frequency only adjusts the high frequency input of 2.0, the low frequency adjusts all the low frequency input, and the low frequency volume only controls the volume of the subwoofer!
2. Switch button board:
The switch control board is designed separately from the power amplifier board, so that different products can be arranged in different positions. The remote control receiver can be connected separately by the connection of 2.54-3P, and the remote control receiver can be taken out at will!
3. Audio input control:
The default is AUX audio input. Plug in the USB flash drive will automatically switch to local playback. Bluetooth needs to be selected by pressing MOde on the remote control or switch button!
4. Power output audio:
2.0 is all output, 3118D2 is full gain, output power is large, please connect 4-6.5 inch main speaker(left and right speaker), so as to avoid the speaker power is too small will burn, subwoofer is 120Hz 60W real power output, low frequency speaker please use 6.5 inch -8 inches, the speaker is too small to be able to withstand the output power and break the sound, the speaker is too big will be muffled because of insufficient power!
5.2.1 High and low frequency compensation of the power amplifier:
In order not to appear high and low frequency and vocal in the playback interrupt layer, design 2.0 for full-range output, 20-20KHz, high and medium bass have output, to listen to the good 2.0 please connect full-range speakers or high and low frequency speakers, subwoofer output only 120Hz The low frequency of the center, if the 2.0 speaker is too small or the speaker sensitivity is too high, it may cause the low and medium frequency to connect to the fault.
Package included:
1PC 4.2 Bluetooth Subwoofer Board
1PC Remote Control
Shipping
Item will be shipped out within 2 business days after receipt of your payment, we ship the item through hongkong Air mail or China Post.          We Ship to Worldwide, but Italy, Nigeria, Brazil will take long delivery time .
Before buying, Please make sure your address is correct. Or not, please correct it before payment
Ship to worldwide from Hong Kong within 12-24 hours after payment completed received, and will give you the tracking number asap. sometimes we will send it by flat post air mail if just one low price order.Hope you understand.
we advise shipping by DHL or EMS,and we have gave a discount for you,you can received it in 4-9 business days.
it takes about 15-30days usually if shipping by CHina/Hong Kong post air mail
Payment
We ONLY accept payment by Paypal.
All payments must be received within 7 working days after auction has ended. Non-paying bidders will be reported to ebay.
Feedback
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Return Policy
Refunds are only offered for defective products reported within 7 days upon receipt
Buyers need to return the defective item for the replacement at his own cost. Item must be returned by registered airmail to our requested address.
We do our best to serve each and every customer the best we can.
if you need more items,we can provide you a wholesales price,you can contact us by message or email.