• 8-Driver Hybrid Architecture
  • Custom Venting Low-Frequency Drivers for Lively Dynamic Bass
  • Custom Independent Mid-High Frequency Drivers for Vivid and Refined Texture
  • Custom High-Frequency Drivers for Luxurious and Transparent Highs
  • Custom Ultra-High-Frequency Electrostatic Drivers for Airy and Extended Treble
• Dual-System Quad Crossover for Precise Control
• Custom Nebula Faceplates
• High-quality DUNU Hulk Pro Mini cable
• Patented Q-Lock Plus Interchangeable Plug System (Includes 3.5mm single-ended and 4.4mm balanced plugs)

• NET WEIGHT: 6 g (Per Side)
• FREQUENCY RESPONSE: 5 Hz - 40 kHz
• IMPEDANCE : 55 Ω at 1 kHz
• SENSITIVITY : 117 dB/mW @ 1 kHz, 130 dB/Vrms @ 1 kHz 
• TOTAL HARMONIC DISTORTION: < 0.5%  at 1 kHz
• BALANCED ARMATURE DRIVER CONFIGURATION:
  • Sonion Custom Low-Frequency Balanced Armature Driver (x2)
  • Knowles Custom Mid-High Frequency Independent Balanced Armature Driver (x2)
  • Knowles Custom High-Frequency Balanced Armature Driver (x2)
  • Sonion Custom Ultra-High Frequency Electrostatics Driver (x2)
• HOUSING MATERIAL:
  • SHELL: German Nice-Fit Hand-Poured UV Acrylic Resin
  • FACEPLATE: 
    Color Painting
• WIRE MATERIAL: HULK PRO MINI
• CABLE LENGTH: 1.2 ‡ 0.1 m
• CABLE CONNECTOR: 2-Pin (0.78 mm)
• PLUG CONNECTOR:
  • Patented Q-Lock Plus Modular Plug System
• INCLUDED PLUG TERMINATION(S) :
  • 4.4 mm TRRRS Balanced, 3.5 mm TRS Single-Ended

Our commitment to providing exceptional service and support is reflected not only in the continual elevation the quality and craftsmanship of our products but also in our continued offer of a one-year international warranty. We strive to ensure customer satisfaction and provide peace of mind to all consumers.

In order to be eligible for a refund, please return the product within 30 calendar days of your purchase, estimated from the date of arrival (as determined by the final timestamp on tracking telemetry). Order cancellations requested prior to successful delivery are also treated as refunds. Any additional shipping fees incurred during the transaction are not eligible for refund.

The product must be in the same condition that you received it and undamaged. If the product is damaged in any way, or if the return was initiated after a period of 30 calendar days, you will not be eligible for a refund.

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Unless the product has been assigned to a special 'try at home' order program, all individual orders will be subject to a 5% restocking fee if unopened (shrink wrap must be intact), and a 10% restocking fee if opened.

We may waive restocking fees if in-store credit is opted for in lieu of a refund, or under very special circumstances subject to administrative approval.

After we receive your item, our factory team will inspect it and process your refund. The order total will be refunded to the original payment method used during the purchase. For credit card payments, it may take as many as 5 to 10 business days or more for a refund to show up on your credit card statement.

Aside from the locale of mainland China, we offer international shipments worldwide. Rates are subject to the particular carrier rate selected during checkout. We offer our subsidized account rates to keep the costs as low as possible.

Shipping rates vary with respect to transit time and destination. Please enter your destination and check the estimated shipping time at checkout. The options are typically labeled as 'Free Shipping', 'Standard Shipping', and 'Expedited Shipping'. Unless the product is specially designated as a special order product, we typically ship within 1 business day for a stocked product. If we are experiencing a high volume of orders, shipment may be delayed by a few days. If there will be a significant delay in shipment of your order, we will contact you via e-mail.

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Business hours are referenced to weekdays, Monday through Friday, from 9:00 AM to 5:00 PM  (UTC +8). Processing and shipping times do not include weekends or holidays. If an order is placed outside of business hours or during weekends, the order will be processed and fulfilled beginning on the following business day.

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Import duties and customs regulations vary from country to country. Fees not prepaid by our courier are the responsibility of the customer or intended recipient. DUNU is not responsible for tariffs, VAT, or other customs consignment fees. Individuals concerned about the prospect of paying for additional fees should contact their local customs and import offices for clarification on how duties are levied. Upon checkout, detailed notes regarding the provision of customs declaration forms should be clearly written in the 'Add a Note' section of the checkout page. If a packages is refused by the customer on account of customs duties, taxes, or other fees, the package is not eligible for refund, as it is considered to be abandoned in the office of consignment.