Apple-Compatible Adaptive Noise-Cancelling Earphones

Form Factor: In-ear acoustic design with silicone ear tips (S/M/L included). Production First Pass Yield (FPY) $\ge 98.5\%$ in dust-free assembly cleanrooms.

Interface Options: Lightning connector with integrated MFi C94 certified chipset, or USB-C digital audio interface with built-in 24-bit DAC.

Acoustic Architecture: 10mm neodymium magnet dynamic drivers paired with a dual-core DSP feed-forward/feedback hybrid ANC circuit.

Primary B2B Target: OEM/ODM procurement for mobile accessory brand owners, regional distributors, and enterprise telecommunication kit providers.

 

 

Specification Parameter	Technical Data	Testing Standard / Condition
Acoustic Driver	10mm Neodymium Magnet Dynamic Driver	IEC 60268-5
Frequency Response	20Hz - 20,000Hz	Swept sine wave at 100mV input
Impedance	32 Ohm $\pm 15\%$ at 1kHz	Precision impedance meter
Total Harmonic Distortion (THD)	$< 1\%$ at 1kHz, 94dB SPL	Audio Precision APx515
ANC Attenuation Depth	Up to -40dB ambient noise reduction	ISO 4869-3 acoustic test chamber
Microphone Sensitivity	-42dB $\pm 3dB$ (MEMS digital microphone)	ITU-T P.51 artificial ear simulator
Interface Protocol	Apple MFi C94 Lightning / USB Audio Class 2.0	Apple External Accessory Protocol
Operating Temperature	-10°C to 45°C	Environmental durability test chamber

 

 

Hybrid ANC Architecture: Samples ambient noise at 40,000 times per second, processing dual-core DSP feed-forward and feedback signals to attenuate environmental noise across designated frequency bands.

High-Resolution Digital Decoding: Integrated 24-bit/96kHz digital-to-analog converter (DAC) processes digital bitstreams directly from host devices to maintain source signal integrity.

Hardware-Level Apple Compatibility: Incorporates authorized Apple interface chipsets to ensure native handshake communication with iOS, iPadOS, and macOS host devices without firmware mismatch errors.

Dual-Mic ENC Voice Isolation: Utilizes dual MEMS microphones with beamforming algorithms to separate vocal frequencies from background wind and ambient chatter.

 

 

 

Power Configuration: Bus-powered via host device (Lightning/USB-C wired variants) / 50mAh lithium-ion coin cell per side (wireless active variants).

Playback Endurance: Up to 8 hours continuous playback with ANC enabled; up to 10 hours with ANC disabled (tested at 50% volume).

Battery Lifecycle: Retains $\ge 80\%$ of rated capacity after 500 complete charge-discharge cycles.

Charging Input: USB Type-C input (5V/500mA); a 15-minute charge provides 2 hours of playback.

 

 

Engineering Capabilities:

• Industrial design (ID) modifications for earbud housing and cable splitters.
• Custom DSP firmware flashing to adjust target EQ curves and ANC filter coefficients.
• Client logo integration via laser engraving or pad printing on housing and packaging.

R&D Support: Dedicated project management, in-house acoustic simulation using B&K head and torso simulators, and 3D CAD prototyping within 72 hours.

Commercial Terms: Standard OEM MOQ starts at 1,000 units per colorway; mass production lead time is 25-30 days following engineering sign-off.

 

 

Facility Infrastructure: 12,000-square-meter ISO 9001 and ISO 14001 certified manufacturing facility featuring dedicated dust-free SMT and assembly cleanrooms.

Production Equipment: Yamaha high-speed SMT placement lines, ASM wire bonders, and automated electro-acoustic test benches.

Inspection Milestones:

• IQC: 100% spectral testing of raw diaphragm materials and integrated circuit chipsets.
• IPQC: Automated optical inspection (AOI) on PCB assemblies and automated audio sweep screening on assembly lines.
• OQC: AQL 1.0 sampling inspection covering drop tests, salt spray corrosion tests, and cable plug insertion durability tests (minimum 5,000 cycles).

 

 

Standard Packaging: Recyclable paperboard box containing earphones, 3 pairs of silicone ear tips (S/M/L), and multilingual instruction manual.

Master Carton Specifications: 50 units per master carton; carton dimensions: $45 \times 35 \times 30\text{ cm}$; gross weight: $8.5\text{ kg}$.

Logistics Compliance: Palletized shipments secured for sea freight (FOB/CIF) or air express (DHL/FedEx); packaging materials comply with ISTA 3A transit simulation standards and FSC regulations.

 

 

 

 

To initiate an inquiry or request engineering samples, please provide the following project parameters:

• Project type: OEM White-Label / Custom ODM
• Target order quantity: MOQ
• Interface preference: Lightning / USB-C
• Target destination and incoterms

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