EarFun K4
The 40mm drivers and Bluetooth 5.4 deliver clear audio, while the 90-hour battery and triple-level volume limiting (74/85/94dBA) ensure safe all-day listening in a 210g BPA-free build. Five LED light modes add fun, and a 10-minute charge provides 8 hours of playtime. Ideal for parents equipping school-age kids with durable, hearing-protective headphones for tablets, online learning, and travel.
form factor over-ear
driver type dynamic
driver size mm 40
impedance ohms 32
Wireless はい
bluetooth version 5.4
battery life hours 90
68 総合スコア
価格 €0
現在取り扱いなし
Snapshot
メリットとデメリット
Pros
- Strong battery (97th percentile) 97th
- Strong comfort (92th percentile) 92th
- Strong social proof (91th percentile) 91th
- Strong build (87th percentile) 87th
Cons
- Below average anc (30th percentile)
What owners think
購入者の評価が時間とともにどう変化したか
独自顧客が実際にレビューを書いた時期に基づいています。発売当初の高評価が続いたかどうかがわかります。
購入者の評価は時間とともに向上しています
85/100当社のAIによる感情分析
日付のある顧客レビュー 13 件を暦四半期ごとに集計しています。期間別の分析は英語です。
The proof
パフォーマンス
スペック
全スペック一覧
Design
| Form Factor | over-ear |
| Foldable | Yes |
| Weight | 0.2 kg / 0.5 lbs |
| Ear Cushion | Leather |
Audio
| Driver Type | dynamic |
| Driver Size | 40 |
| Freq Max | 20000 |
| Impedance | 32 |
| Sensitivity | 100 |
| Codecs | Volume Limited for Kids, LED Lights, Long Battery Life, Bluetooth 5.4 |
Noise Control
| ANC | No |
Connectivity
| Wireless | Yes |
| Bluetooth | 5.4 |
| Wired Connector | 3.5mm |
Battery
| Battery Life | 90 |
| Charge Time | 0.167 |
| Fast Charging | 10-minute charging providing 8 hours battery life |
| Charging | USB-C |
Microphone
| Microphone | Yes |
| NC Mic | Yes |
Features
| Touch Controls | No |
| Volume Limiting | Yes |
| Water Resistance | Water-Resistant |
競合製品との比較
| Spec | EarFun K4 | Bowers & Wilkins Px8 S2 Px8 S2 | Sony WH-1000XM6 WH-1000XM6 | Sennheiser Momentum MOMENTUM 4 | Bose QuietComfort Ultra 2nd Gen | JBL Live 770NC |
|---|---|---|---|---|---|---|
| Form Factor | over-ear | over-ear | over-ear | over-ear | over-ear | over-ear |
| Driver Type | dynamic | dynamic | dynamic | dynamic | dynamic | dynamic |
| Driver Size (mm) | 40 | 40 | 30 | 42 | - | 40 |
| Impedance Ohms | 32 | - | 48 | 470 | 32 | 32 |
| Wireless | true | true | true | true | true | true |
| Active Noise Cancellation | false | true | true | true | true | true |
| Open Closed Back | - | closed | closed | closed | closed | closed |
| Bluetooth Version | 5.4 | 5.3 | 5.3 | 5.2 | 5.4 | 5.3 |
| Battery Life Hours | 90 | 30 | 30 | 60 | 30 | 65 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | User Sentiment | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| EarFun K4 | 30.2 | 65.6 | 87.3 | 72.4 | 96.9 | 91.6 | 70.1 | 70.4 | 91.4 |
| Bowers & Wilkins Px8 S2 Px8 S2 Compare | 97.4 | 99.3 | 95.8 | 99.4 | 71.3 | 50 | 87.2 | 97.3 | 97.5 |
| Sony WH-1000XM6 WH-1000XM6 Compare | 97.4 | 90.7 | 92.1 | 89.6 | 71.3 | 78.9 | 0 | 99.7 | 83.2 |
| Sennheiser Momentum MOMENTUM 4 Compare | 97.4 | 84.3 | 76.4 | 94.8 | 88.7 | 78.9 | 70.1 | 99.3 | 55.7 |
| Bose QuietComfort Ultra 2nd Gen Compare | 92 | 77.5 | 97.2 | 46.3 | 71.3 | 50 | 87.2 | 99.7 | 83.2 |
| JBL Live 770NC Compare | 97.4 | 77.5 | 97.2 | 84.2 | 91.3 | 50 | 70.1 | 99.9 | 91.4 |
用途別スコア
詳細なレビューは近日公開予定です。上記のスペック、スコア、価格、チャートは常に最新です。
