Includes all taxes
Selling Point
The default send clip plug, you need Y plug, USB header, RCA header, Banana plug, please contact customer service
[product name]: electronic black hole (electronic box)
[Inner material]: Ultra-high density semiconductor wafer, isolation sealing epoxy resin
[Coat material]: mahogany or paper tube
[product size]: length 62MM diameter 24mm mahogany version length 70MM diameter 25mm paper tube version
[product weight]: about 60g
[Cable clip]: 15cm long single crystal pure silver wire or copper wire + copper alligator clip A new electronic black hole that eliminates static electricity and high-density electronic floor boxes.
1. Ultra-small electronic grounding box, graphene + high energy density semiconductor material to achieve the effect beyond the traditional box.
2. Uncompromising use of materials, high-reduction laboratory-grade copper lead, WTB silver solder, without any connector transfer, the lowest dyeing.
3. Low-key and luxurious school sound style, without any dyeing, focus on improving the sound quality.
4. This product adopts semiconductor passive design. Because it does not receive electricity, it will only absorb free electrons in the system, purify the power supply, and filter noise. Therefore, it has no negative impact on the device itself, and it will only improve the sound quality. 5. The sound of the wire, the silver wire is better, followed by copper, and then the alloy wire.
Principle of action:
1. It can reduce the static electricity generated by the accumulation of free electrons, so that the equipment casing maintains a stable potential and reduces interference with signals. The sound is more stable and the sound field is more clear.
2. It can reduce the static potential energy of electrons.
Instructions:
1. Connect to the case, preferably on the screw. It can change the spatial separation well and the sound is simulated. It is best to use every device in the system. Note: Different screws on the device have different sounds and you can try more.
2. Connect the negative terminal of the speaker terminal of the amplifier output to improve the softness of the sound.
3. One device can use multiple electronic black holes, and the effects can be superimposed.
4. If the case has no conductive place, try to clamp it on the interface.

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FAQ
Q:What's the fuction for this?
A: Improve the sense of three-dimensional space, black background, sound field positioning, low frequency density, vocal smoothness, instrument separation, etc.
Q:Can work on the cd and music fax A200DM ?
A: The electronic black hole is amazing. I bought 2 pieces on the cd and music fax A200DM. In just a few hours, the sound has a gratifying improvement. The density of the sound, the details, the depth of the sound field, etc. have all been improved.
Payment Policy – BILLIONS BIRDS
At BILLIONS BIRDS, we are committed to providing a safe, secure, and seamless payment experience for our customers.
1. Accepted Payment Methods
We accept the following payment options:
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Delivery Policy – BILLIONS BIRDS
At BILLIONS BIRDS, we are dedicated to delivering your orders safely and efficiently.
1. Order Processing
All orders are processed within 1–3 business days after payment confirmation. Orders are not processed or shipped on weekends or public holidays.
2. Shipping Times
Estimated delivery times vary depending on your location:
Domestic Shipping: 3–7 business days
International Shipping: 7–15 business days
Please note that delivery times are estimates and may vary due to customs procedures, carrier delays, weather conditions, or other unforeseen circumstances.
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If your order is delayed, lost, or arrives damaged, please contact us within 7 days of the expected delivery date. We will work with the shipping carrier to resolve the issue as quickly as possible.
6. Incorrect Shipping Information
Customers are responsible for providing accurate shipping details at checkout. BILLIONS BIRDS is not responsible for orders shipped to incorrect addresses provided by the customer.
Refund Policy – BILLIONS BIRDS
At BILLIONS BIRDS, customer satisfaction is our top priority. If you are not completely satisfied with your purchase, we’re here to help.
1. Return Eligibility
You may request a return within 14 days of receiving your order. To qualify for a return:
The item must be unused, unworn, and in the same condition as received.
The item must be in its original packaging.
Proof of purchase (order confirmation or receipt) is required.
Certain items may not be eligible for return, including clearance items, gift cards, or personalised/custom products.
2. Non-Refundable Items
The following items are non-refundable:
Final sale or discounted items
Gift cards
Items damaged due to misuse, negligence, or improper care
3. Return Process
To initiate a return, please contact our customer support team with your order number and reason for return. If your return is approved, you will receive instructions for returning the item.
Unless the item is defective or incorrect, customers are responsible for return shipping costs.
4. Refund Processing
Once we receive and inspect your returned item:
We will notify you of the approval or rejection of your refund.
If approved, the refund will be issued to your original payment method within 5–10 business days.
Please note that banks or payment providers may require additional time to process refunds.
5. Damaged or Incorrect Items
If you receive a damaged, defective, or incorrect item, please contact us within 7 days of delivery and provide clear photos of the product and packaging. We will arrange a replacement or full refund at no additional cost.
6. Late or Missing Refunds
If you have not received your refund:
Check your bank account again.
Contact your credit card company or payment provider.
If the issue persists, don't hesitate to contact our support team for assistance.
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