Hot Offers TPA3116 2.1 high-power HIFI digital power amplifier board 12-24V subwoofer product board

TPA3116 2 1 high power HIFI digital power font b amplifier b font board 12 24V
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TPA3116 2 1 high power HIFI digital power amplifier board 12 24V subwoofer product board
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Price:  US $25.00 / piece


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\  \ \ TPA3116 \ \ 2.1 subwoofer amplifier board \

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\ Commodity details:\
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  • \ This is a front band amplifier, bass frequency processing. 2.1 power amplifier with bass, left and right channel volume adjustment, treble adjustment, total volume potentiometer control.\
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  • \ Using DC power supply 12-24V,Maximum support 50W (left channel) + 50W (right channel) + 100W (bass) three channel output.\
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  • \ Is the use of American TI company TPA3116D2 high performance digital power amplifier chip as the core, and a bridge connected subwoofer output, a left channel output.\
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  • \ Wide operating voltage, power saving design,Efficiency of up to 90%.Can use the good performance of switching power supply, notebook computer switching power supply, you can also use the charging bottle, or car power supply and so on. \
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  • \ Boot boot anti shock protection design, no POP requirements of the sonic boom, please note.\
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  • \ The board has been welded good test finished product, according to the figure to connect the speaker, audio input and power supply can be used.\
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\ Large heat sink to ensure the use of high voltage, high power output state of the need for heat dissipation.\
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\ With higher currentpowerMoreShielding inductance to do the output, the performance is more stable sound better. At present, this inductance is rarely seen in amoy.\
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  • \ Functional operation instructions:\
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  1. \
  2. \ Power available from DC socket1Or terminal2Access .\
  3. \
  4. \ audio frequencyAvailable from 3.5mm socket1, or 3PSocket2Audio inputInterface,Such as: computers, MP3 players, etc..\
  5. \
  6. \ Bass volume potentiometer, independent bass output volume.\
  7. \
  8. \ Left and right channel volume potentiometer, can adjust the left and right channel output volume.\
  9. \
  10. \ A trebleAdjust electricitypositionimplement,Adjustable high gain.\
  11. \
  12. \ Switch / total volume potentiometer,Tape switchcanClosing workCan also be used to tune the basssoundAvenuetransportAsoundamount.\
  13. \
  14. \ The total tone potentiometer default shipping tape switch, if you do not need to switch, please take note when the goods.\
  15. \

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\  \ \ \ \ “Lin” – audio input\ \ \ \ “G”- the sound source is common\ \ \ “Rin”- sound source right channel input\ \

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\ soundfrequencyalsoAvailable from ” Lin G Rin”Socketinput,Such as: computer, MP3 player,Decoder board sourceetc..\
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  1. \
  2. \ Power available from DC socket1Or,Wiring base2Input.\
  3. \
  4. \ 3.5mm socketsoundTransmission frequencyIncoming interface,Such as: computers, MP3 players, etc..\
  5. \
  6. \ Speaker output ” +” or ” -” are independent, not a common output, can not be connected to each other, can not be connected to the ground, such as the connection will appear abnormal sound.\
  7. \
  8. \ Speaker output ” +” or ” -” wiring and horn on the ” +” or ” -” corresponding connection, if there is a fault will affect the auditory effect.\
  9. \

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\ Main technical parameters:\
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\ Operating voltage range:\ \ DC 9-25VCurrent (3-4A)The above, such as the power to recommend more than 19-24V/4-5A,\
\ Audio input sensitivity:\ \ 500-800mV, frequency range: 20Hz-20KHz,\
\ Horn impedance:\ \ Left and right channel speakers: 3.5-8 Europe, bass speaker impedance: 2-8 europe,\
\ Maximum output power:\ \ 50W(left) + 50W(right) + 100W(bass),\

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\ \ This is the real test data on the instrument, the output power and power supply voltage and current, speaker impedance, the magnitude of the source input. Usually higher power supply voltage, can support the output power will be larger. Different impedance horn, can support the output power is also different, usually horn impedance is also easier to do some small power. On the power requirements are particularly high pro, take the goods before you understand the above parameters.\ \

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\ Recommended wiring method (important):\
\ Check the instructions on the web page before use; > > 2> > 3 good audio input line > > 4 confirmed that the wiring is correct, and then plug in the power supply! To change or move the wiring board, must take off the power after the operation. The use of errors, short circuit between the solder joints, or parts of the short circuit between the legs, may cause chip damage.\
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\ Use note (important):\
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  • \
  • \ aboutPower selection:\
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  1. \
  2. \ Board is the use of DC power supply, there are positive and negative reverse protection, positive and negative anti electricity.\
  3. \
  4. \ The power supply is not allowed to be connected to the speaker output interface, which can cause the chip to be damaged.\
  5. \
  6. \ Maximum operating voltage 25VNote: the maximum working voltage of TPA3116 power amplifier chip is 26V, not more than 26.5V).\
  7. \
  8. \ The board is powered by a DC power supply,Please use the good performance of DC power supply, such as poor performance of the power supply may be AC, or current sound, etc. …In particular, switching power supply, please try to choose 3 feet with the ground plug, which is similar to the notebook computer, the 3 pin AC plug. Note: household electric ventilating with grounding must be inserted, if not grounded, some switching power supply may be the current sound etc.. Especially DIY novice, please note!\
  9. \
  10. \ Such as the use of ordinaryAC transformer power supplyMust be rectified filter, can be connected to use. (Note: no voltage after rectificationNot greater than 26.5V ).\
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  • \ Power supply voltage / current and speaker selection:\
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  1. \
  2. \ Power 12V/3-4A or more, about 4 3-4 horn with /15-30W, bass speakers with 5-8 inches above the European /25-45W;\
  3. \
  4. \ Power 19V/4-5AAbove, about 4 /30-50W horn speakers, subwooferuse5-10 inches above 3-4 euro /40-80W;\
  5. \
  6. \ Power 22-24V/5-6A above, with 4 /40-80W speakers, lowsoundLaBAWith 6-10 inches above 3-4Ou /70-100W.Tip: These are only a basic parameter, for reference only, the actual effect and the speaker itself and the speaker with theOff, such as the use of 8 euro sound power will be smaller than the European 4, please note\
  7. \
  8. \ Such as high power requirements,Recommended power supply with more than 20-24V/6-7A.If the power supply is not enough, the volume will be opened after the power supply is insufficient, there may be changes in the power of the light or abnormal sound, etc., this is a novice DIY often encountered.\
  9. \
  10. \ Like DIY bass speakers in parallel with the pro, this board bass channel to support low resistance speaker,2 European parallel =4 Europe; 2 European parallel =3 6. Be careful:Parallel is the 2 speaker “+” “+” “-” “-” do not pick up the wrong!\
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  • \ LaA pair of output terminal:LaOutput / ” +”or” -” are independent, not common output,Can not be connected. Nor can power ” +” or ” -” connection,errorAbnormal sound or cause power amplifier chip damage.\
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  • \
  • \ aboutAudio input wiring:\
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  1. \
  2. \ Please try to choose the line connection with the shield type to reduce the noise and current noise caused by the input connection.\
  3. \
  4. \ If there is an open circuit or a short circuit between the lines, it will cause noise or currentsound&hellip et al;\
  5. \
  6. \ The board should not be placed directly on the surface of the metal or conductive objects, and do not put on a wet object, which is likely to cause short circuit or the presence of induced current sound, etc. …\
  7. \

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  • \ aboutSound sourceInput:The quality of sound effects and the quality of the input audio is very important. Such as the use of ordinary mobile phone to do audio input, in addition to a small amount of audio voltage output, the sound quality may also be worse, especially the bass part
    This is because of the characteristics of the phone itself. If the request is particularly high, in order to improve the sound quality, it is recommended to make the sound quality of the sound source equipment connection, such as: CD playerIPhone or computer sound card equipment, etc. …Sound source device connection.\
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  • \ About sound effects:\
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  1. \
  2. \ Sound quality is related to the quality of the input source,And the performance of the speaker itself. Whether it is treble, Alto, bass must have the support of the speaker unit can be done. In particular, the bass part, such as the performance of the bass without a good bass speaker and the box is not able to do a good job.\
  3. \
  4. \ On the market price of high and low bass bass horn, but also the level of performance.If the speaker itself is too small or the speaker itself bass performance is poor, will affect the bass effect. Or when the volume is large, there may be abnormal sound, etc.,This is also a novice DIY often encountered.[Note: such as 4 inch woofer, want to do a 6 inch or 6 inch effect; to do 8 inch bass, is unable to do so, unless the speaker bass high performance] use such as extremely high requirements, and is not very understanding with the use of horn pro, please leave!\
  5. \

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  • \ Tip: due to the special nature of electronic DIY products, we will be tested before shipment!\
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\ Real SMT post production process chart, more stable performance.\
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Shipping Company Shipping Cost Estimated Delivery Time
DHL 3 - 7 days
UPS Expedited 3 - 7 days
EMS 5 - 14 days
Post Air Mail Free Shipping 15 - 45 days
Return Policy If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.

BigBoz.Biz Extreme Deals Hardware Appliances Big Box Consumer Electronics additional information (Nota Bene) N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
Seller Service On-time Delivery
If you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).
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Price:  US $25.00 / piece
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