NF AUDIO NE4 Evolution IEM HiFi Earphone with Replaceable Frequency Dividing Faceplate
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- Adjustable sound tuning with replaceable faceplates(Packed with three pairs of faceplates)
- Gold-plated connectors on the faceplates
- Four high-performance Knowles Balanced Armature drivers
- Exquisite craftsmanship with 5-axis CNC machined aluminum alloy ear shells
- Standard 2-pin 0.78mm connectors
- High-purity silver-plated oxygen-free copper cable
- Comfortable fit with ergonomic shape
Revolutionary New Technology To Change The Frequency Crossover:
In multi-driver earphones, the sound tuning is heavily dependent on the frequency crossover arrangement. It decides which driver will perform for what frequencies, and helps the engineers tune the output accordingly. NE4 brings a revolutionary new feature to switch the frequency arrangements with different sets of facepanels. Most of the earphones in the market have replaceable tuning nozzles, experience a drastic change with the advanced frequency crossover switching option on the NE4 Evolution.
Three Sets Of Facepanels, Three Frequency Crossover Options:
NE4 Evolution has three different sets of replaceable face covers bundled in the package. The Red face panel enhances the lower-end response and brings a punchy presentation that complements EDM, Pop, and similar genres. It adopts a three-way frequency division with one BA unit for low, one BA unit for mids, and two BA units for high-frequencies. Similarly the Black faceplates for reference sound with a three-way architecture with one BA for ultra-lows, one BA for a full-frequency response, and two BA for high-frequencies. The third Blue filter is for transparent sound with a two-way architecture, one driver for full-frequency response and two for high-frequency drivers. This third filter utilizes only three drivers with the pair.
Premium Knowles Balanced Armature Drivers:
Knowles is a well-renowned brand mostly known for its high-performance balanced armature drivers. NE4 Evolution adopts a four-driver configuration featuring Knowles 22955, Knowles 29689, and Knowles 31736(Composite) drivers per side. They deliver impeccable performance with high-resolution clarity and a wide sound field.
Premium CNC-Machined Aviation-Grade Aluminum Ear Shells:
NF Audio has years of experience in designing HiFi earphones. They have designed the NE4 Evolution earpieces using a high-precision 5-axis CNC machining process with aviation-grade aluminum alloy material. The pair has an ergonomic design with a lightweight aesthetic and sturdy built that ensures a comfortable and firm fit for its users.
5N OFC Silver-Plated Cable:
NF Audio NE4 Evolution has a premium 5N silver-plated Oxygen-Free Copper cable to ensure high-quality performance. This cable has standard 0.78mm two-pin connectors and a 3.5mm termination plug for easy connectivity with different sources.
Driver Configuration: 4 Knowles BA drivers
Sound insulation: 25dB
Termination plug: 3.5mm
Frequency Response: 9Hz-20kHz
Frequency Response: 18Hz-22kHz
Frequency Response: 20Hz-30kHz
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.