Key Specifications

• Origin: Guangdong, China

• Brand: HRD

• Model: HRD0014 Earphone Case

• Materials:

  • Standard: Aluminum

  • Options: Zinc, Brass, Stainless Steel, Iron

• Surface Finishes: Electroplating, Oxidation, Sandblasting

• Dimensional Tolerance: ±0.01 mm

• Certifications: ISO 9001

• Quality Control: 100% inspected (dimensional checks, material tests)

• Drawing Formats Accepted: 2D (PDF/CAD), 3D (IGES/STEP)

• MOQ: 1 piece

Packaging, Lead Time & Pricing

• Package Size: 10 × 5 × 2 cm; Gross weight 2 kg

• Lead Time:

  • 1–100 pcs: 9 days

  • 100 pcs: negotiable

• Customization (≥100 pcs): Logo, packaging design, artwork

• Tiered Unit Pricing:

  • 1–99 pcs: US $1.00/pc

  • 100–9,999 pcs: US $0.80/pc

  • 10,000–99,999 pcs: US $0.51/pc

  • ≥100,000 pcs: US $0.18/pc

• Sample Price: US $50 (first sample)

Why Choose Our Die-Cast Earphone Housings?

1. Factory-Direct Savings & Scalability
   Competitive tier pricing and volume discounts, from single-piece prototyping to mass production.

2. Ultra-Fine Precision
   Tight ±0.01 mm tolerances ensure seamless assembly with internal electronics.

3. Material & Finish Flexibility
   Multiple alloys and surface treatments to match aesthetic, wear-resistance, or conductive requirements.

4. Rapid Turnaround
   Fast prototyping and tooling processes reduce time-to-market for new audio products.

5. Robust Quality Management
   ISO 9001 systems and 100% in-process inspection protect against defects.

Future Trends in Earphone Housing Manufacturing

• Ultra-Lightweight Alloys & Composites
  Ongoing R&D into magnesium alloys and polymer-metal hybrids to shave grams off each unit.

• Advanced Surface Coatings
  Anti-fingerprint, UV-resistant, and antibacterial nanocoatings to enhance longevity and hygiene.

• Digital Twin & Smart Tooling
  Real-time monitoring of mold conditions via IoT sensors for zero-defect production.

• Sustainable Production
  Incorporation of recycled aluminum and low-emission furnaces to meet global eco-standards.

Typical Applications

• True Wireless Stereo (TWS) earbud shells

• Premium over-ear and on-ear headphone frames

• Hearing aid and medical audio device enclosures

• Precision electronic housings for wearables

• Custom audio accessory components

Frequently Asked Questions

Q: What is the minimum order quantity?
A: Prototype orders start at 1 piece; volume pricing applies from 100 pieces.

Q: Can I get a pre-production sample?
A: Yes—a sample is available at US $50, refunded upon mass-order confirmation.

Q: Which design files do you accept?
A: We work with 2D PDF/CAD and 3D IGES/STEP formats for DFM review.

Q: How are shipping costs handled?
A: Shipping is negotiated based on order size, weight, and destination.

Q: Do you offer custom branding and packaging?
A: Yes, both logo branding and bespoke packaging are available for orders over 100 pcs.