Qualcomm® Snapdragon Sound™
Utilizing aptX™ Lossless audio processing, the Air Pro 4 delivers bit-exact CD-quality audio (16-bit/44.1kHz) and high-resolution wireless streaming up to 24-bit/96kHz via LDAC, ensuring minimal distortion.
Qualcomm® QCC3091
Bluetooth 5.4
aptX™ Lossless
Snapdragon Sound™
Acoustic Excellence for Global Retail & Wholesale
EarFun Air Pro 4 Flagship TWS Specification
The EarFun Air Pro 4 sets a high performance benchmark for wireless audio importers and consumer electronics procurement teams. Engineered with Qualcomm's QCC3091 platform, it combines studio-grade 24-bit/96kHz lossless audio streaming with dynamic QuietSmart™ 3.0 noise reduction up to 50dB.
Qualcomm® QCC3091 SoC
Bluetooth 5.4 with aptX™ Lossless, LDAC & LC3 Codecs
QuietSmart™ 3.0 ANC
50dB Real-Time Adaptive Hybrid Noise Cancellation
52 Hours Playtime
11h single charge playback + 41h wireless charging case
6-Mic AI Voice Capture
cVc™ 8.0 AI-boosted crystal-clear communication
Technical Architecture
Engineered for Superior Audio Fidelity & Wholesale Success
Designed in-house by experienced acoustic engineers, the EarFun Air Pro 4 incorporates next-generation wireless technologies tailored for high-volume international markets.
QuietSmart™ 3.0 Adaptive ANC
An intelligent noise-cancelling algorithm automatically monitors real-time environmental acoustics and wearing fit, suppressing up to 50dB of low-frequency and broad-spectrum background noise.
10mm Composite Drivers
Custom-engineered 10mm dynamic drivers with composite diaphragms deliver deep bass extension down to 20Hz and transparent treble expression for audio enthusiasts and daily commuters alike.
6-Microphone AI cVc™ 8.0 Array
Six dedicated microphones paired with deep neural network AI noise isolation isolate human speech from ambient wind and city traffic, ensuring crisp voice clarity during calls.
Multipoint & Auracast™ Support
Features seamless dual-device Bluetooth multipoint connection for instant switching between smartphones and laptops, alongside Auracast™ LE Audio broadcast readiness.
IPX5 Sweat & Water Resistance
Precision-sealed casing provides reliable IPX5 protection against sweat and rain, backed by an ergonomic multi-size silicone eartip design for all-day comfort.
Industry Recognition
Tested & Recommended by Global Tech Authorities
EarFun's engineering rigor and quality standards are consistently validated by leading international technology publications and review outlets.
PCMag
"The EarFun Air Pro 4 true wireless earphones offer clean and detailed audio, effective noise cancellation, and top-notch connectivity."Independent Review
CNET
"Value brand EarFun's flagship noise-canceling earbuds deliver surprisingly good performance and a robust feature set for an affordable price."Independent Review
Forbes
"The EarFun Air Pro 4 punch well above their weight in audio terms and tick every box in terms of specifications."Independent Review
SoundGuys
"The earbuds house 10mm dynamic drivers and the Qualcomm QCC3091 chipset, enabling bit-exact CD-quality sound via aptX Lossless."Independent Review
Digital Trends
"With the Air Pro 4, EarFun proves again that top-tier active noise cancellation and high-resolution sound are accessible to everyone."Independent Review
CNN Underscored
"Stronger ANC, improved audio response, battery efficiency, and aptX Adaptive codec support make these earbuds an outstanding flagship choice."Independent Review
Complete Specification Matrix
EarFun Air Pro 4 Technical Parameters
Full technical verification data for category managers, compliance officers, and bulk buyers.
| Parameter | Specification Details |
|---|---|
| Bluetooth Core Version | Bluetooth 5.4 (Qualcomm® QCC3091 SoC Platform) |
| Supported Audio Codecs | aptX™ Lossless, LDAC, aptX™ Adaptive, AAC, SBC, LC3 (LE Audio) |
| Noise Reduction Tech | QuietSmart™ 3.0 Adaptive Hybrid ANC (Up to 50dB reduction) |
| Acoustic Drivers | 10mm Custom Composite Dynamic Drivers |
| Microphone Hardware | 6-Microphone System with Qualcomm® cVc™ 8.0 & AI Algorithm |
| Battery Capacity | Earbuds: 54mAh x 2; Charging Case: 600mAh |
| Battery Playtime (ANC OFF) | Up to 11 hours (Total 52 hours with Charging Case) |
| Battery Playtime (ANC ON) | Up to 7.5 hours (Total 35 hours with Charging Case) |
| Charging Method | USB Type-C Fast Charging (10 Min = 2 Hours Playtime) & Qi Wireless Charging |
| Latency & Gaming Mode | Ultra-Low Latency Mode (<50ms) |
| Ingress Protection Rating | IPX5 Water & Sweat Resistance |
| Unit Weight & Dimensions | Total Weight: 56g; Case Dimensions: 62.4mm x 46.6mm x 29.2mm |
| Certifications | Snapdragon Sound™, Hi-Res Audio Wireless, CE, FCC, RoHS, TELEC |
Distributor FAQ
Frequently Asked Questions
Key answers for commercial partners, electronics retail buyers, and regional distributors.
What chip platform powers the EarFun Air Pro 4?
The EarFun Air Pro 4 is powered by Qualcomm's premium QCC3091 audio SoC, integrating Bluetooth 5.4, aptX Lossless, Snapdragon Sound certification, and LE Audio support for reliable connectivity and energy efficiency.
How effective is the Active Noise Cancellation on Air Pro 4?
Using EarFun's proprietary QuietSmart™ 3.0 technology, the earbuds deliver real-time adaptive noise cancellation up to 50dB. The internal algorithms dynamically adjust isolation depth according to ambient noise levels and ear canal fit.
What battery life and charging options are supported?
The Air Pro 4 offers up to 11 hours of continuous playback with ANC off (7.5 hours with ANC on), reaching up to 52 total hours with the charging case. The case supports both USB-C fast charging (10 minutes charge = 2 hours playtime) and Qi wireless charging standard.
Does EarFun support wholesale distribution and regional warranty coverage?
Yes. EarFun provides dedicated support for global retail and wholesale partners, including complete international compliance certifications (CE, FCC, RoHS, TELEC), an 18-month product warranty, and localized after-sales support networks across North America, Europe, the UK, and Japan.