EarFun K2 Kids K2
Sony ULT WEAR WHULT900N/B
What Buyers Say
EarFun K2 Kids K2
These kids' headphones are widely praised for their comfort, durability, and clear sound. Many parents find them perfect for travel, especially on planes, with a volume-limiting feature that protects young ears. A few users noted the fit may be more on-ear for older children, and one found the volume too low for their preference. Overall, they offer great value and are highly recommended for toddlers and young kids.
Pros
- Comfortable and soft ear pads
- Durable and long-lasting build
- Clear and balanced sound quality
- Volume-limiting feature for ear safety
- Easy Bluetooth connectivity
Cons
- Fit may be on-ear for older children
- Indicator light hard to see
- Volume may be too low for some users
- Not suitable for rough handling
Sony ULT WEAR WHULT900N/B
The Sony ULT WEAR headphones deliver impressive noise cancellation and powerful bass via the ULT button, with many users praising the long battery life and comfortable fit. Sound quality improves significantly after using the companion app to customize the EQ, though some find the default sound muddy and the ULT bass boost overwhelming. A few long-term users report scratchy audio after two years, and the headphones are noted as bulky for some.
Pros
- Excellent noise cancellation
- Powerful bass with ULT button
- Long battery life (up to 30 hours)
- Comfortable for extended wear
- Customizable EQ via app
Cons
- Default sound is muddy without EQ
- ULT bass boost can be overwhelming
- Bulky design for some users
- Scratchy audio reported after 2 years
- Not ideal for gym use (fall off)
Scores
Specifications
| EarFun K2 Kids K2 | Sony ULT WEAR WHULT900N/B | |
|---|---|---|
| Design | ||
| Form Factor | over-ear | over-ear |
| Open/Closed | closed | closed |
| Foldable | ✓ | ✓ |
| Weight | 0.17 kg★ | 0.26 kg |
| Ear Cushion | memory foam | thermo-foaming |
| Headband | memory foam | — |
| Audio | ||
| Driver Type | dynamic | dynamic |
| Driver Size | 40 mm | 40 mm |
| Freq Min | — | 5 Hz★ |
| Freq Max | 20 kHz | 20 kHz |
| Impedance | 32 Ω | 314 Ω |
| Sensitivity | 100 dB | 110 dB★ |
| Hi-Res Audio | ✓ | ✓ |
| Codecs | EarFun K2 Kids Bluetooth Headphones, Kids Headphones with Volume Limited, 40H Playtime, Built-in Mic, Stereo Sound, Foldable Over-Ear Headphone for School/Travel/iPad/Tablet, Sky Blue | AAC, LDAC, SBC |
| Noise Control | ||
| ANC | ✗ | ✓★ |
| ANC Type | — | adaptive |
| Transparency | — | ✓★ |
| Connectivity | ||
| Wireless | ✓ | ✓ |
| Bluetooth | 5.4★ | 5.2 |
| Profiles | — | A2DP, AVRCP, HFP, HSP |
| Multipoint | — | ✓★ |
| Wired Connector | 3.5mm | 3.5mm |
| Detachable Cable | ✗ | ✓★ |
| Cable Length | — | 1.2000000476837158 m |
| Range | — | 9.800000190734863 m★ |
| Battery | ||
| Battery Life | 40 hrs★ | 30 hrs |
| Charge Time | 2.5 hrs★ | 3.5 hrs |
| Fast Charging | — | 3-minute charge provides 90 minutes of extra playtime |
| Charging | USB-C | USB-C |
| Microphone | ||
| Microphone | ✓ | ✓ |
| Mic Count | — | 4★ |
| NC Mic | — | ✓★ |
| Boom Mic | — | ✗ |
| Detachable Mic | — | ✗ |
| Features | ||
| Voice Assistant | — | Google Assistant, Amazon Alexa |
| Touch Controls | ✗ | ✓★ |
| App | — | Sony Headphones Connect |
| Volume Limiting | ✓★ | — |
| Gaming Mode | — | ✗ |
| Water Resistance | Water-Resistant | — |
Pros & Cons
EarFun K2 Kids K2
- Strong comfort (100th percentile)100th %ile
- Strong social proof (95th percentile)95th %ile
- Strong build (88th percentile)88th %ile
- Strong sound (86th percentile)86th %ile
- Below average anc (33rd percentile)
Sony ULT WEAR WHULT900N/B
- Strong connectivity (99th percentile)99th %ile
- Strong anc (98th percentile)98th %ile
- Strong sound (96th percentile)96th %ile
- Strong social proof (89th percentile)89th %ile
Pricing
EarFun K2 Kids K2 offers 2.9x better value for money
Verdict
Scores 95 overall, wins 6 of 7 usage categories and 10 of 40 specs.
