Dual-Driver Hybrid Architecture
Pairs a custom FeatherBA™ balanced armature driver for ultra-crisp highs with a 10mm dynamic driver for deep, resonant bass, delivering studio-grade clarity across a full frequency range.
Engineered with Qualcomm® QCC3091 SoC, aptX™ Lossless, and 50dB QuietSmart™ 3.0 Adaptive ANC.
The EarFun Air Pro 4+ combines an ultra-light FeatherBA™ armature with a 10mm dynamic driver. Built for global consumer electronics distributors, regional importers, and retail brands seeking tier-1 performance at competitive wholesale margins.
Designed in California and verified by global award panels. Every hardware module is optimized for durability, acoustic precision, and user satisfaction.
Pairs a custom FeatherBA™ balanced armature driver for ultra-crisp highs with a 10mm dynamic driver for deep, resonant bass, delivering studio-grade clarity across a full frequency range.
Supports Snapdragon Sound™, aptX™ Lossless, LDAC, and LE Audio (LC3). Delivers ultra-low latency (<50ms) and 3x higher transmission bandwidth for true Hi-Res wireless sound.
Employs an advanced 6-mic array measuring environmental acoustic noise every 0.3 seconds to adjust noise cancellation up to 50dB across frequencies up to 4000Hz.
Enables public/private audio broadcast sharing via Auracast™. Integrated AI translation software features support multi-language voice interpretation through the EarFun Audio app.
Combines a custom 6-microphone hardware matrix with cVc™ 8.0 AI algorithms to suppress ambient wind and traffic noise, delivering clear voice capture for business calls.
IP55 dust and water resistance protects against rain and sweat. Offers up to 12h standalone battery life (54h with case) with quick 10-minute charging for 2 hours of playback.
Detailed hardware parameters for B2B procurement managers, buyers, and technical auditors.
| Parameter | Specification & Performance Standard |
|---|---|
| Main Chipset | Qualcomm® QCC3091 System-on-Chip (SoC) |
| Bluetooth Version & Codecs | Bluetooth 6.0; aptX™ Lossless, aptX™ Adaptive, LDAC, LC3, AAC, SBC |
| Acoustic Hardware | Hybrid Dual Drivers: 10mm Composite Dynamic Driver + FeatherBA™ Balanced Armature |
| Active Noise Cancellation | QuietSmart™ 3.0 Adaptive Hybrid Active Noise Cancellation (Up to 50dB depth / 4000Hz range) |
| Microphone System | 6 Microphones (3 per earbud) + cVc™ 8.0 Environmental Noise Cancellation Algorithm |
| Playtime (ANC Off) | Up to 12 Hours (Earbuds) + 42 Hours (Charging Case); Total 54 Hours |
| Playtime (ANC On) | Up to 8 Hours (Earbuds) + 28 Hours (Charging Case); Total 36 Hours |
| Charging Capabilities | Type-C Wired Fast Charge (10 min = 2h playtime); Qi Wireless Charging Compatible |
| Ingress Protection | IP55 Dust and Water Resistant |
| App Customization | EarFun Audio App (Custom EQ, Firmware OTA Updates, Touch Control Mapping, EarFun Tones) |
| Special B2B Features | Google Fast Pair, Dual-Device Multipoint Connection, Smart In-Ear Detection, <50ms Gaming Mode |
Key details for regional electronics importers, distributors, and retail partners.
The Air Pro 4+ combines premium flagship specifications—Qualcomm Bluetooth 6.0, aptX Lossless, dual drivers, and 50dB ANC—at a fraction of tier-1 retail pricing. Its strong review profile from CNET, ZDNET, and SoundGuys delivers fast sell-through and high buyer satisfaction.
EarFun provides an 18-month international warranty, streamlined RMA claims processing, direct engineering technical support, and accessible firmware updates through the EarFun Audio application.
Yes. EarFun Air Pro 4+ earbuds are fully certified with CE, FCC, RoHS, REACH, Telec, and BQB Bluetooth qualification, allowing smooth clearance and sales across North America, Europe, the UK, Japan, and Australia.
Yes. EarFun offers volume-tiered B2B pricing, regional distribution agreements, and OEM/ODM manufacturing partnerships. Contact our sales department to receive specialized pricing sheets and logistical support.