EarFun Wireless Earbuds Sound Quality Comparison | A Thorough Explanation of Sound Differences by Series and Model

EarFun is an audio brand that boasts a very strong lineup in the 10,000 yen price range,
armed with "high cost-performance, multifunctionality, and high sound quality."

In this article, we will focus "only on the differences in sound quality" rather than features or ANC, and organize and compare the sound quality tendencies of each model in an easy-to-understand way.

Evaluations are summarized using highs, mids, lows, resolution, and overall performance across 5 categories,
using relative evaluation (10-point scale) + star ratings within this article.

EarFun Sound Quality Structure (The Big Picture First)

The direction of sound quality is clear for each series.

• Air Pro Series → ANC × High Sound Quality × Multifunctional

• Free Pro Series → Compact × Lightweight × ANC

• Clip Series → Ear-cuff type / Listening while doing other things

• OpenJump Series → Sports-focused / Open-ear type

If you choose by usage × series, you will instantly understand the direction of the sound quality.

Air Pro Series (ANC × High Sound Quality × Multifunctional)

EarFun Air Pro 4 | Best ANC / Top Overall Performance

• Highs: 8 (★★★★☆)

• Mids: 8 (★★★★☆)

• Lows: 8 (★★★★☆)

• Resolution: 8 (★★★★☆)

• Overall Performance: 9 (★★★★★)

● Sound Quality Characteristics

With aptX Lossless support, it has the highest resolution among EarFun products.
The clarity of the highs, the richness of the mids, and the depth of the lows are well-balanced.
The go-to choice if you're unsure.

EarFun Air Pro 4i | ANC Budget Model

• Highs: 7 (★★★☆☆)

• Mids: 7 (★★★☆☆)

• Lows: 7 (★★★☆☆)

• Resolution: 7 (★★★☆☆)

• Overall Performance: 7 (★★★☆☆)

● Sound Quality Characteristics

The sound is lighter than the Air Pro 4, but it is excellent considering the price range.
Perfect for those who prioritize cost-performance and want ANC.

EarFun Air Pro 4+ | Sound-Enhanced Version of Air Pro 4

• Highs: 8 (★★★★☆)

• Mids: 8 (★★★★☆)

• Lows: 7 (★★★☆☆)

• Resolution: 9 (★★★★★)

• Overall Performance: 9 (★★★★★)

● Sound Quality Characteristics

Features a hybrid configuration of BA and dynamic drivers,
improving high-frequency resolution over the Air Pro 4.
For those seeking clearer and more delicate sound.

Free Pro Series (Compact × Lightweight × ANC)

EarFun Free Pro 3 | The All-Rounder Compact ANC Model

• Treble: 7 (★★★☆☆)

• Midrange: 7 (★★★☆☆)

• Bass: 6 (★★★☆☆)

• Resolution: 7 (★★★☆☆)

• Overall Performance: 7 (★★★☆☆)

● Sound Quality Characteristics

Lightweight and comfortable for long periods, with a natural and balanced sound.
An all-rounder model that is easy to fit even for those with small ears.

Clip Series (Ear-cuff type / Ambient listening)

EarFun Clip 2 | High-Quality Ear-cuff Type (LDAC Support)

• Treble: 7 (★★★☆☆)

• Midrange: 7 (★★★☆☆)

• Bass: 5 (★★★☆☆)

• Resolution: 7 (★★★☆☆)

• Overall Performance: 7 (★★★☆☆)

● Sound Quality Characteristics

High sound quality for an ear-cuff type.
With LDAC support, the treble extension is excellent,
making it ideal for those who don't want to compromise on sound quality even while listening to ambient sounds.

OpenJump Series (Sports-focused, Open-ear type)

EarFun OpenJump | Sports-dedicated open-ear type

• Treble: 6 (★★★☆☆)

• Midrange: 6 (★★★☆☆)

• Bass: 5 (★★★☆☆)

• Resolution: 6 (★★★☆☆)

• Overall Performance: 6 (★★★☆☆)

● Sound Quality Characteristics

Because it does not block the ears, the bass is restrained.
Ideal for applications where safety is prioritized, such as running or at the gym.

Characteristics and Sound Tendencies of Each Model

Air Pro Series (ANC × High Sound Quality × Multi-functional)

• Air Pro 4
  Supports aptX Lossless.
  Top overall performance with well-balanced treble clarity, midrange thickness, and deep bass.

• Air Pro 4i
  Lighter sound than the Air Pro 4.
  An excellent budget ANC model considering the price range.

• Air Pro 4+
  Hybrid with BA + dynamic drivers.
  Improved treble resolution compared to the Air Pro 4, resulting in a more delicate sound.

Free Pro Series (Compact × Lightweight × ANC)

• Free Pro 3
  Versatile compact ANC model.
  Lightweight and comfortable for long periods, with a natural and easy-to-listen-to balance.

Clip Series (Ear-cuff type, listening while doing other things)

• Clip 2
  High-sound-quality ear-cuff type with LDAC support.
  Good treble extension, ensuring no compromise on sound quality even while listening in the background.

OpenJump Series (Sports-focused, Open-ear type)

• OpenJump
  A sports-specific model that does not block your ears.
  Prioritizes safety with restrained bass.

Recommended Sound Quality by Usage

• Focus on Overall Performance
  Air Pro 4 → All-rounder with aptX Lossless × High Resolution

• ANC + Enhanced Sound Quality
  Air Pro 4+ → Hybrid BA + DD for more delicate high frequencies

• Affordable ANC
  Air Pro 4i → Cost-performance focused ANC model

• Compact ANC
  Free Pro 3 → Small, lightweight, and balanced for everyone

• Casual Listening (High Sound Quality)
  Clip 2 → Top-tier ear-cuff type with LDAC support

• Sports Usage
  OpenJump → Safety-focused model for running and the gym

Summary

EarFun wireless earphones have
a clear sound quality direction for each series.

• Air Pro Series → ANC × High Sound Quality × Multi-functional

• Free Pro Series → Compact × Lightweight × ANC

• Clip Series → Ear-cuff type, casual listening

• OpenJump Series → Sports-focused

Once you understand the sound quality differences,
you can instantly identify the model that fits your needs.

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