Your shopping cart is empty.

Bulk Purchase of FIFINE K670/670B USB Microphone with Low-latency Monitoring Jack (16 Pieces)

Bulk Purchase of FIFINE K670/670B USB Microphone with Low-latency Monitoring Jack (16 Pieces)

$ 703.84 USD

Bulk Purchase

  • There are various options (from 16 pieces to 160 pieces) for your choice.
  • Every 16 pieces are packed into a 57*43*20 cm (L*W*H) case, which weighed 16.1 kg in total.   

What's Included in one piece

  • A desktop stand
  • A 3/8" male to 5/8" female adapter  


Streaming anywhere with good sounding 

  • USB condenser mic for plug & play on Windows PC/laptop, Mac and PS4 (incompatible with Xbox).
  • Compact size with detachable cable makes it easy to carry in a small travel bag.
  • No bother with tricky noise gate or compression setting on OBS, Twitch or Discord. 
  • The noise floor is low because of a good signal to noise ratio and fine-tuned integrated circuit. 

Better gaming or conferencing experience

  • Full metal body construction withstands rough treatment; heavy-duty anti-slide stand prevents vibration noises. 
  • Height & angle adjustable features give the flexibility to set a perfect angle.   
  • A volume dial is handy for adjustments on the fly. No need to pause during game, broadcast or web conferencing. 
  • Only then the claiming of one of the best sub $50 USB microphones can be justified. 

Add richness and clarity for the best recording ever

  • The cardioid pattern and the 16mm capsule (2mm larger than Snowball) make your voice more engaged, limiting background sound and focusing on your voice. No need to eat into the mic for radio podcast sound quality. 
  • Can't afford to spend on a sound-proof room or time to improve editing skills? Then this low self-noise mic is the Ace up your sleeve, helping get round those problems by recording great raw audio.  

    Live monitoring makes it the best friend for podcasters

    • No-brainer choice: A simple headphone jack for low-latency monitoring, or wasting time with trials and errors finding the buffer-size setting to reduce latency? 
    • You can hear exactly what you sound like to others, which is important for producing a radio show. 
    • Even podcast guests will benefit from using it, they will be able to live monitor and self-regulate.
    • Editing is time-consuming. But now, you can make more adjustments at the recording stage to make the process easier.
    • An output jack also means better connectivity. With a smartphone, a USB adapter and an audio cable, you can even record on camera or digital recorder.  


      Type Condenser
      Polar Pattern Cardioid
      Frequency Response 50-15kHz
      Sensitivity -46±3dB (at 1kHz)
      S/N Ratio 66dB
      Power Supply 5V USB power
      Output Connection  USB 2.0


      *For self troubleshoot and tutorial video, check out more at the K670 product support page

      *For more info about technical aspects or email support, feel free to click this link Contact Us 

      1. Order Information

      Q: What if I want to cancel the order right after payment?

      A: Please Contact Us immediately if you would like to make changes to your order.


      2. Shipping Policy

      Q: Do you have international shipping?

      A: Sorry, no. Products on FIFINE website are not available for global shipping. Delivery covers UK, CA and US (APO/FPO address is not included). For customers who live outside these regions, you can check out on FIFINE AliExpress Store. 

      Address of the US warehouses: 17531 Railroad St., Unit A, City of Industry, CA, 91748 United State 

      Address of the CA warehouses: 450 Derwent PL, Delta, BC V3M 5Y9 Canada

      Address of the UK warehouses: Plot 1, Lyons Park, Lyons Dr, Coventry, West Midlands CV5 9PF United Kingdom


      Q: When will my order ship?

      A: We process your order as soon as we receive it. And because of current situation, the processing time could take up to ONE business day, which is not added up to the shipping time. 


      Q: What if I provide the wrong/I want to change the shipping address?


      If you find out the incorrect before receiving the delivery notification. Please message us as soon as possible so that we can correct the address or cancel the order. We are available at email: or Facebook messenger: 

      If the package has already been shipped, we will message you with the carrier info as soon as possible. Then you can contact them to relocate a correct address. If it can not be changed, we have to wait till the package being sent back to proceed a refund. And if it is not returned to sender successfully, we have no responsibility for issuing a refund or replacing the package.   


      Q: When can I expect my package to arrive?

      A: 1. If it is a pre-order or back-order that is in stock, your package will be shipped first. 

      2. Delivery takes 7-10 days (based on your location), which counts from the day when your order is processed. Shipping cost is free when your order weighs below 1.51 kg.

      3. If it is urgent order that needs to be delivered in specific date, please Contact Us before placing the order.  


      Q: When will I receive my shipment tracking number?

      A: You will receive a notification email about the tracking information once your order leaves warehouse that is close to your location.  


      Q: What if tracking info indicates the package was received but I haven't actually receive it?


      First off, please wait for one more business days, tracking info update could be ahead of the actual delivery. 

      Next, if you still haven't received package, please call and email the local post office. They will have more info than we can see online. 

      At last, when post office is not able to help find the package, you should send us the screenshots of communication with post office as evidence for us to file a complaint. With a response from Post Office through your contact, confirming that package is missing, we will do a refund on the product price. 


      3. Return Policy

      Q: What is your return policy?

      A: FIFINE MICROPHONE offers Free Return within 30 days, counting from the date when the tracking info shows delivered.  

      But it does not cover bulk purchase (more than three), intact item, item ordered by mistake. If you wish to return a product, please contact us. 


      Q: How do I request a return?

      A: Please follow the steps below to return a product:

      1. Contacted our email at with your order number and the reason for return (Any product shipped to us without a return authorization will be returned to the customer at his or her expense).
      2. We will email you back to confirm the product condition. Custoemr will have responsiblity to help provide the info (pictures and recording) we required. Then we will give instructions for returning and a return number.
      3. Ship your unused product, in its original packaging, to the address identified in our email.
      4. Note: Return shipping fee is covered by FIFINE only if returns are for defective productsproducts that were not described accuratelyor incorrect orders. Whether a product is defective depends the info that customer provides (pictures and recording). 


      Return Terms

      • Please be sure to use the original box, and the shipping carton and its packing material to ship the item back (the item is returned in the same condition as it was when shipped).
      • You are responsible for shipping the products back to us.If you are shipping an item over $75, you should consider using a trackable shipping service or purchasing shipping insurance. We don’t guarantee that we will receive your returned item. 


      4. Refund Policy

      Q: After I have returned a product, when will I see the refund in my account?

      A: After receiving and examining your returned product(s), your refund will appear in your account within 3 to 5 business days. Please be aware that the refund will depend on the policies of PayPal that was used for payment.


      5. Other Terms And conditions


      Once package has been shipped out, order cancellation is not possible. When product arrives, buyers are responsible for arranging return shipping by themselves and emailing us back with tracking number. If buyer decides to refuse package instead, we will charge a restocking fee of 30% of the order total. 

      Notice: Refund of "refuse-to-receive" item does not cover the origianl shipping fee, That means in this case, we will send back the payment of only the product listed price. 

      "Bulk Purchase Return"

      If buyer bought more than THREE products at a time, any one of them is defective, we will provide the free replacement.

      But if buyer decides to return them all, we will charge a restocking fee of 30% of the order total. And buyer is responsible for the shipment back to FIFINE local factory. 

      "Intact Items"

      An intact item is one that its package has been opened and it works without a problem. If you want to return an intact product, the return shipping cost shall be covered on customer side. And we will deduct the original shipping fee from the refund total.       

      "Defective Items"

      A defective item is one that is inoperable but has no apparent damage. If you receive a defective product, please contact our email for assistance.

      Notice: Whether a product is defective depends the info that customer provides (pictures and recording). 

      "Damaged Items"

      If the order arrives at you with obvious shipping damage, please refuse the delivery and email us with your order number. If you have accepted it, please save all packaging material and paperwork for the order and also email us for instructions. If you dispose of packaging material, you jeopardize our chances of making a claim, and you may not receive the return.

      "Limits of Responsibility"

      We take no responsibility for user-initiated damage and/or loss of parts incurred during operation or use of the product. Though you still can email us for assistance on repairing or replacing components.

      "Price and/or Description Changes"

      All prices, pictures, and descriptions on this website are subject to change. We maintain no responsibility for inadvertent errors. When you place your order with us, you agree to the price and terms indicated on this website. Price differences related to future or past prices in FIFINE MICROPHONE store are not refundable.

      Notice: We are sorry that the price fluctation during pandemic is not refundable.

      "Errors on FIFINE MICROPHONE website"

      Prices and availability of products are also subject to change without notice. Errors will be corrected where and when discovered. We reserve the right to revoke any stated offer, cancel orders, and to correct any errors, inaccuracies or omissions in any stated offer or price, including after an order has been submitted and whether or not the order has been confirmed and your payment processed. If your payment has already been processed for the purchase when your order is canceled, we will issue an immediate refund.

      "For product FAQs, please turn to the Technical Support Page"