ZY Cable Denon AH-MM400 Headphone Premium Edition Upgrade Cable ZY-356/ ZY-357/ ZY-358/ ZY-359
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Model Name: Denon AH-MM400 Headphone Upgrade Line Premium Edition
Material: 7N OCC (single crystal copper) 8 cores (different from 4 cores of ZY-241)
Color: pearl black
3.5 four-level balanced plug - custom long version of gold-plated plug
2.5 four-level 3.5 single-ended 3.5 four-level plug - black carbon fiber shell gold-plated curved insert
4.4 five-level plug - black carbon fiber shell gold-plated
The core has built-in tensile fiber, the outer skin has strong anti-oxidation ability, 8 cores are hand-woven.
The line is light and soft, no auscultation effect, and comfortable to wear.
High-frequency transparent, smooth resolution, clear details, strong layering.
Medium frequency texture, moderate volume, sound magnetic.
Low frequency deep dive, good elasticity.
After the actual test and verification, the Denon AH-MM400 headphone jack is a 3.5-level balanced design, and the left and right unit cables are completely independent. Therefore, the corresponding balanced headphone upgrade line is introduced. For a player with a balanced output or a headphone amplifier, get a better listening experience.
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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.
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PO boxes or APO/FPO
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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.