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Details about  Hi-End WM8740 X2 Parallel DIR9001 PCM2706 DAC DIY KIT

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Hi-End WM8740 X2 Parallel DIR9001 PCM2706 DAC DIY KIT
Item Ended
Item condition:
26 Jun, 2012 17:54:39 BST
US $49.99
Approximately £32.18(including postage)
Free Economy Shipping from outside US | See details
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Item location:
Fast to worldwide,HongKong, China


eBay item number:
Seller assumes all responsibility for this listing.
Last updated on  07 Jun, 2012 19:04:12 BST  View all revisions

Item specifics

New: A brand-new, unused, unopened and undamaged item in original retail packaging (where packaging is ... Read moreabout the condition

Hi-End WM8740 X2 MONO DIR9001 PCM2706 DAC DIY KIT

Ti DIR9001 receiver & WM8740 DAC chip & PCM2706 USB decoder DAC kit for DIY,Unassembled

3 Separate DC rectifing for analog circuit and digital circuit

2pcs of WM8740 work at parallel mode,Have a disinctively ware and mellow sound,More punch on bass

USB & coaxial input,Burr-Brown PCM2706 output I2S stream to DAC chip

Better sound than integrated sound card of laptop&PC,Even better than many dedicate sound cards wich above $100USD

This mini USB DAC kit is base on WM8740 DAC processor,Ti DIR9001 digital receiver and PCM2706 USB decoder,WM8740 is one of the best DAC processor perform 24bit/192K singnal process ability, The 2pcs of WM8740 work on MONO mode to make amazing sound,This kit made with high quality components like ELNA capacitor/PHILIPS capacitor/high precision resistance/SANKEN rectifier diode...

WM8740 is a well know DAC chip with its blance sound and used in many High-END CD players such as Cambridge Audio AZUR 650 and Rega Apollo CD player...



a.To protect the chips,Pls disconnect the solder iron or use work station when soldering the chips!!! We dont take responsiblity for any damaged caused by incorrect operation!

b. If you could solder the chips by youself,Pls aks someone whom can finish it to help you,To ensure that the chips and PCB will not be damaged,Thanks!

c. The components might be changed without notice on same level.

d. LM317/LM337 is used but works great,We are ECO-friendly~



If you need a assembled one,Pls pay $10USD extra,Thanks.

Note: There is a high quality R-core transfomer with 115V/230V input suitable for the DAC,Pls click here to check.


  • Based on PCM2706 USB decoder from Texas Instruments and DIR9001 digital receiver and WM8740(mono).
  • WM8740 parameter:
    • 120dB SNR (’A’ weighted, mono @ 48kHz)
    • 117dB SNR (’A’ weighted, stereo @ 48kHz)
    • 104dB THD (’A’ weighted @ 48kHz)
    • Sampling frequency : 8kHz - 192kHz
    • Input data word : 16 to 24-bit
    • Selectable digital low pass filter
    • Optional interface to industry standard external filters
    • Hardware or 3-wire SPI control
    • Fully dfferential voltage outputs
  • 3 ways separate rectifier for analog circuit and digital circuit
  • Good quality compents such as ELNA capacitor/PHILIPS capacitor/high precision resistance/SANKEN rectifier diode
  • Gold cated RCA output connector.
  • Use TI NE5534 op,You could upgrade it with OPA604/AD797/OPA627 etc.
  • Size: 120mm by 99mm
  • Powe supply: One group AC 15V-0-15V, Two group AC 8V-10V ( one group is still OK,there is a joint poin on the PCB board)


  • International Buyers – Please Note:

    Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to bidding or buying.

  • Payment
    • We only accept Paypal.
    • Payment must be received within 7 days after the auction end.
    • Receiver pays Customs Duties,Import Dutiues,etc.
    Shipping Terms
    • We ship to worldwide except following countries and regions:(Africa/Estonia,See exclusion).
    • We ship to Paypal address only,Pls confirm the address in paypal is matched with your shipping address before make a payment.
    • Item will be shipped within 3 working days from clear payment received.
    • We use Registered Air Mail / DHL express / EMS express/Surface Mail according to situation.Shipping extra might applied to some countries or regions(ODA parcel).

      7-20 working days to:

      USA, Canada, Australia, UK, Most of Europe countries

      10-25 working days to:

      France, Germany, (due to strict custom policy)

      10-35 working days to:

      Italy, Spain,Russia(due to strict custom policy)

      10-45 working days to:

      Brazil,Chile, Most of South America countries,Other countries

    • We deliver products from China, If you agree on the above deliver time, Please do not leave under 4 score detail sellers rate of shipping time.
    • We will post your Positive FeedbackPositive feedback rating when your item is shipped. Please also leave us positive feedback Positive feedback rating and Five Star 5/5 detailed sellear rating if you are Satisfied with your purchase.  For Any Reason, if you have problems with shipping, product or others, before you leave a neutralNeutral feedback rating or negative Negative feedback rating feedback or you want to open a dispute or claim. please contact us by Ebay Message System or email . We will do our best to solve your problem and provide you the Best Customer Service Experience.  we are pleased to offer high quality products with AMAZING Five Star Service.
    • All items come with one year factory warranty.
    • If Item is defective and not working on arrival, please contact us within 3 days before leaving feedback.
    • Please contact us to request a return authorization(RMA) and RETURN ADDRESS before return.
    • Products must be returned in the same condition as you received.Products and accessories must be in their ORIGINAL codition.
    • buyer must return the goods by local post office. we can't accept other way return such as UPS and fedex for custom problem.
    • Shipping costs are not refundable and buyer must pay for return shipping.

    Guarantee:One year factory warranty for all items.

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