TWISTURA Sigma 1DD+1BA In-Ear Headphone
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World Free Shipping & Returns
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The newly designed 6mm dynamic driver features an LCP composite diaphragm. The LCP's orderly molecular structure ensures excellent acoustic transmission, minimizing resonance and distortion while delivering smooth, natural tones. The result? Clearer, more precise audio with enhanced frequency response for a truly high-fidelity listening experience.
Custom 60040 Balanced Armature Driver
Specially designed for SIGMA, the 60040 balanced armature excels in delivering fast, accurate, and detailed mid and high frequencies. Its low distortion and smooth frequency response ensure a natural and vibrant sound, revealing nuances and textures in your music that are often overlooked.
Tuned for Audio Excellence
The artful acoustic tuning of the SIGMA delivers a balanced sound signature that’s both smooth and versatile. High frequencies are bright and natural, while the low frequencies are impactful yet controlled. The result is a transparent, wide soundstage with rich details, making SIGMA ideal for a variety of music genres.
Sophisticated Coaxial Acoustic Chamber
The SIGMA features an all-coaxial integrated acoustic chamber for reduced internal reflections and minimized distortion. Every component, from the sound tube to the drivers, is meticulously calculated and engineered for perfect synergy. This ensures a seamless blend of dynamic and balanced armature drivers, creating a cohesive and natural listening experience.
Innovative Design: Aluminum Alloy & Transparent Resin
Blending aluminum alloy with transparent resin, SIGMA’s design showcases its sophisticated internal acoustic components. The minimalist yet futuristic aesthetic reflects both elegance and technological prowess. Compact and lightweight, it’s as beautiful as it is functional.
High-Purity Silver-Plated Copper Cable
SIGMA comes equipped with a high-purity silver-plated oxygen-free copper cable, which ensures optimal conductivity and minimizes signal loss. This combination enhances sound clarity and detail, bringing your music to life with richer textures and greater resolution.
High-Performance DAC Adapter for Studio-Grade Sound
Included with SIGMA is a Type-C to 3.5mm DAC adapter, featuring a DCA decoding chip that supports up to 32-bit/384kHz sampling rates. This plug-and-play adapter delivers high-fidelity audio reproduction, bringing you closer to a live performance experience.
Impedance Adapter for Enhanced Listening
To further refine your audio experience, SIGMA includes a 30Ω impedance adapter. This accessory reduces noise from your audio source, ensuring a cleaner and more immersive listening session.
Shipping Fees
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.
Eligibility Conditions
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.
Exchanges
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.
Shipping
To 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, ChinaIf you’ve done all of this and you still have not received your refund yet, please contact us at support@shenzhenaudio.com.
