TANCHJIM Darling 2BA+1DD 3D Printing Technology In-Ear Earphone
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1.TANCHJIM has always been honored of sophisticated earphone parts,we adhere to the highest craftsmanship to make a perfect headphone, including fine carving, mirror polishing,thread grinding and other processes. It is precisely because of TANCHJIM's high requirements for craftsmanship that each pair of Darling is a work of art.
2.The sound mouth has two depths of card slots, which can be adjusted according to your wearing habits and your pursuit of sound.
3.Built-in a DD unit and two BA units in a tiny cavity is a challenge of our product design and also a big challenge to the acoustic structure.
5.Our engineers applied FEA finite element analysis and simulation technology to independently carry out a series of electromagnetic, structural and acoustic electronic simulations on Darling's cavity structure and material, unit structure, diaphragm pattern and material, coil and other parts.
6.Then according to the simulation report of each part, combined with the previous experience, the parts were modified according to the target acoustic index. Finally, the overall acoustic simulation and coupling of the acoustic cavity of Darling were carried out. After multi-times polishing, the most suitable acoustic solution for Darling was obtained.
7.And then process 3D printing and metal proofing to verify. To ensure that Darling can burst out a powerful voice in a small body.
8.Perfect combination of structure based on FEA modified and circuit frequency division, Through the perfect combination of physical structures based on FEA simulation modifications and circuit frequency division, the connection problem of traditional BA+DD earphones can be solved the connection problem of traditional coil earphones from the root to convey accurate, natural and reference-level sound.
9.Compared with traditional eartips, T-APB air balance eartips increase the deflation function. T-APB can reduce wearing fatigue and sound bias caused by the difference in internal and external air pressure.
10.The core coating layer adopts a special improved material, and the characteristic silver foil wire is surrounded by multiple layers, which has low capacitance and low inductance. It has a beautiful appearance and also effectively reduces high-frequency loss.
11.The non-magnetic connectors ensure high-quality sound, and at the same time, the durability of the cable has been improved.
12.The Microfiber matte leather is showing off, and the stainless steel etched nameplate embellishment makes it unique.
Worldwide Free Shipping on SHENZHENAUDIO, Please allow 1-3 business days for conduct Quality Control in order to ensure the products quality.
If a customer would like the order reshipped, they’ll be charged a reshipment fee. Customers may also be subject to a restocking fee of up to 20 percent of the product cost.
Which Couriers To Use?
Given the amount of shipping partners we work with and the vast coverage area we serve, there are likely regions with much longer transit times than others. If you have any feedback, suggestions, or problems with the courier of your shipment, please feel free to submit a support ticket via the "Contact Us" button below.
Our goal is to provide our customers with the best shipping experience possible at a reasonable cost. This is why we constantly negotiate with existing shipping partners for lower rates and actively test new couriers for potential opportunities.
PO boxes or APO/FPO
The ability to ship to PO boxes or an APO/FPO address depends on the item's weight. If an item weighs more than 9 pounds, we won’t be able to ship to these addresses because of our current courier agreements.
To determine if your order is eligible for shipment to PO boxes or an APO/FPO address, please contact SHENZHENAUDIO Support.
Estimated Delivery Time
For customers in the continental United States:
5 to 14 business days from the date of shipping
For customers in Hawaii and Puerto Rico:
2 to 4 weeks from the date of shipping
International customers can expect longer shipping times, depending on the country in which they live:
Canada: 1 to 3 weeks from the date of shipping
Australia, New Zealand, Germany, France, and the UK: 2 to 4 weeks from the date of shipping
Other countries not listed above: 3 to 6 weeks from the date of shipping
Please keep in mind that these are rough estimates and shipments can be delayed due to unforeseen circumstances, like postal strikes or severe weather.
If, for some reason, you don’t receive your order within the estimated time frame provided above and suspect that it might be lost in transit, please submit a support ticket from your transactions page and we can look into the order with the courier. Lost-in-transit requests must be submitted to SHENZHENAUDIO Support within 4 months of the date of shipping or before the courier archives the tracking information.
Easy 30-Day Return Policy
If you are dissatisfied with your purchase for any reason, you may return it to SHENZHENAUDIO within 30 days of the received date, subject to the conditions and exclusions below.
Please read conditions below. If all conditions are not met, SHENZHENAUDIO reserves the right to refuse the return. All returned items must be in new condition, in their original unaltered box (including an intact UPC code) and must include all packing material, blank warranty cards, manuals and accessories. SHENZHENAUDIO can only refund the original purchase price. Shipping and handling fees are nonrefundable.
Defective or Damaged Items
Defective items may be repaired, exchanged or refunded at our discretion for the same model or manufacturer's equivalent model.
Depending on where you live, the time it may take for your exchanged product to reach you, may vary. Please allow 3-5 business days for mail-in exchanges to be processed.
Refunds & Credits
Once we receive and inspect your item(s), we will credit your account. Please allow 5-7 days for a credit to appear on your account. In most cases, we will issue your refund in the same way you made the original purchase. Please note: we can only refund the original purchase price. Shipping and handling fees are nonrefundable.
You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from your refund.
ShippingTo return your product, you should mail your product to: 4F 405, Building F, No.2 Shangxue Science and Technology North, Bantian Street, Longgang Dist, ShenZhen, 518129 Guangdong, China
If you’ve done all of this and you still have not received your refund yet, please contact us at firstname.lastname@example.org.