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September Sales

[fusion_row][fusion_column][fusion_column_text][/fusion_column_text][/fusion_column][/fusion_row][fusion_row][fusion_column][fusion_column_text]DROK promotional activities. You will get lower price but high quality units here, only for customers who comes to this website. 100% risk-free satisfaction guarantee – With this guarantee, you can buy with confidence. So hurry to “Buy Now” to get these units with perfect price.  Quality Promised and Satisfying After-sale Service.[/fusion_column_text][/fusion_column][/fusion_row][fusion_row][fusion_column width=”1/3″][fusion_single_image image=”21472″ img_size=”300×300″ alignment=”center” onclick=”custom_link” img_link_target=”_blank” link=”https://www.amazon.com/dp/B00CCWM4LW”][fusion_column_text]

 DC-DC Buck Power Converter
Promo Code:TLHMOPS6

50% off
立即购买

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Adjustable Step-Down Voltage Regulator
Promo Code: BSNU6F2V
50% off
立即购买

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L298N Motor Drive Controller Board
Promo Code:9GXTKSIK
50% off
立即购买

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DC 0-100V 0-100A Digital Voltage Ampere Meter
Promo Code:5EXQGEAJ
50% off
立即购买

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DC 0-100V 0-100A Digital Voltage Ampere Meter
Promo Code:OE633GRS

50% off
立即购买

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 0.96” Portable 7in1 OLED Multimeter
Promo Code:PSWWE7J4

50% off
立即购买

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0.56″ Digital Motor LED Tachometer
Promo Code:LUNBVP94
50% off
立即购买

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24V Digital Battery Meter Tester
Promo Code:T9Z5SIK6

50% off
立即购买

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DC-plug Volt Convert Module
Promo Code:KVKL2NK8

50% off
立即购买

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2018-01-30T02:53:23+00:00 By |September Sale, Uncategorized|

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6 Comments

  1. Barry Strand September 30, 2017 at 3:57 pm - Reply

    I just received this unit in preparation for a gathering… but it doesn’t work… bought the suggested power supply, which lights it up, but tried two sets of speakers and a good IPhone input and I get no sound out of it. Speakers don’t seam as thought they are getting anything from the unit, like a bump of sound when plugged in or when unit is turned on.

    DROK Digital Audio Amplifier, Home HiFi Stereo Amplifier Subwoofer 150W+75Wx2 High Power 2.1 Channel Class D Bass Amp, DC 18-32V Input Voltage, TAS5613 Amplifier Chip

    kinda bummed as I guess I’ll have to use my 15 year old receiver when I thought this little unit would do the job.

    Any suggestions before I return as not working to Amazon this afternoon?

    • Drok October 1, 2017 at 7:18 am - Reply

      Hello Barry Strand,
      We are sorry to hear that.
      Would you please tell us more details about your operating parameters? For example, input voltage/current, speaker power?
      With more information, we can find out solution more quickly.
      Best regards.

  2. Frank December 6, 2017 at 6:18 pm - Reply

    You have this DROK AC-DC adjustable power converter AC 110-220V to DC 0-48V, 480W. We would like to put three of this in series to achieve 120VDC.
    Current wise @ 120VDC – we need only 5A. Do you think this set up would work?

  3. Francesco December 29, 2017 at 5:31 pm - Reply

    Ho acquistato drokDc4.5-100V20A.guardare lo schema nel PC non era menzionato nessun shunt.ora nello schema del dispositivo fa vedere uno shunt.poi scusate ma 2 righe in italiano non erano utili per spiegare perchè non fornito.ora come lo uso senza questo shunt. Lo devo acquistare a parte? Grazie per una risposta

    • Drok December 31, 2017 at 3:36 am - Reply

      Ciao Francesco,
      Grazie per il tuo business. Per favore, puoi controllare se è questo oggetto? 200074

      Come ha mostrato la pagina del prodotto, non ha bisogno di shunt. Ma questo articolo ha la versione 50A, che richiede il collegamento di uno shunt. Quindi lo schema sul retro è comune per due specifiche. Quando è 20A, si prega di ignorare lo shunt.
      I migliori saluti,

      Hello Francesco,
      Thanks for your business. Please can you check if it is this item? https://www.amazon.it/multimetro-voltmetro-monitoraggio-alimentatore-regolabile/dp/B01M3RB88U/ref=sr_1_2?ie=UTF8&qid=1514690369&sr=8-2&keywords=DROK+4.5-100v#200074

      As the product page showed, it doesn’t need shunt. But this item has 50A version, which need connecting a shunt. So the diagram on the back side is common for two specifications. When it is 20A, please ignore the shunt.
      Best regards,

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