JBL Tune 670NC
Linsoul Kiwi Ears Altruva
What Buyers Say
JBL Tune 670NC
Most users love these JBL headphones, praising excellent sound quality, effective noise cancellation, comfortable fit, and long battery life—many report great value for the price. One reviewer had a defective unit with no sound in one ear. A few users appreciate the easy controls, foldable design, and app connectivity. Overall, sentiment is strongly positive with a minor quality control concern.
Pros
- Excellent sound quality
- Effective noise cancellation
- Long battery life
- Comfortable fit
- Great value for price
Cons
- Potential defective unit (no sound in one ear)
- No answers to Q&A questions
Linsoul Kiwi Ears Altruva
The Kiwi Ears Altruva open-back headphones receive overwhelmingly positive feedback for their excellent sound quality, comfort, and value. Users praise the clear, V-shaped sound profile with good bass and soundstage, often comparing it favorably to more expensive brands. However, a few verified reviews note design issues like earcups falling off, shallow cable jacks, and a resonant metal headband, which prevent a perfect score for some.
Pros
- Excellent sound quality
- Great value for money
- Comfortable velour ear pads
- Clear V-shaped sound profile
- Good bass response
Cons
- Earcups fall off easily
- Shallow cable jacks
- Resonant metal headband
- High bass for shooters
- Tight clamp force
Scores
Specifications
| JBL Tune 670NC | Linsoul Kiwi Ears Altruva | |
|---|---|---|
| Design | ||
| Form Factor | on-ear | over-ear |
| Open/Closed | closed | open |
| Foldable | ✓★ | — |
| Weight | 0.17 kg★ | — |
| Ear Cushion | soft ear cushions | Leather |
| Headband | padded headband | — |
| Audio | ||
| Driver Type | dynamic | dynamic |
| Driver Size | 32 mm | 50 mm★ |
| Drivers | 1 | 1 |
| Freq Min | 20 Hz | 20 Hz |
| Freq Max | 20 kHz | 40 kHz★ |
| Impedance | 32 Ω | 32 Ω |
| Sensitivity | 98 dB | 98 dB |
| Max SPL | 95 dB★ | — |
| Hi-Res Audio | ✗ | ✓★ |
| Codecs | SBC, AAC, LC3 | Linsoul Kiwi Ears Altruva Over Ear Headphone, Hi-Fi 50mm Dynamic Driver Monitoring Headphones, Wired Gaming Headset, Open-Back Stereo Headphones for Studio Engineer Audiophile Gaming (BlackGrey) |
| Noise Control | ||
| ANC | ✓★ | ✗ |
| ANC Type | adaptive | — |
| Transparency | ✓★ | — |
| Connectivity | ||
| Wireless | ✓★ | ✗ |
| Bluetooth | 5.3★ | — |
| Profiles | A2DP 1.4, AVRCP, HFP 1.8 | — |
| Multipoint | ✓★ | — |
| Wired Connector | 3.5mm | 3.5mm |
| Detachable Cable | ✓ | ✓ |
| Cable Length | 1.2192000150680542 m | — |
| Battery | ||
| Battery Life | 70 hrs★ | — |
| Charge Time | 2 hrs★ | — |
| Fast Charging | 5min=3hrs | — |
| Charging | USB-C★ | — |
| Capacity | 690 mAh★ | — |
| Microphone | ||
| Microphone | ✓ | ✓ |
| Mic Count | 1★ | — |
| NC Mic | ✓★ | — |
| Boom Mic | ✗ | — |
| Features | ||
| Voice Assistant | voice assistant | — |
| Touch Controls | ✗ | — |
| App | JBL Headphones | — |
| Gaming Mode | ✓ | ✓ |
Pros & Cons
JBL Tune 670NC
- Strong connectivity (99th percentile)99th %ile
- Strong social proof (99th percentile)99th %ile
- Strong anc (98th percentile)98th %ile
- Strong battery (95th percentile)95th %ile
Linsoul Kiwi Ears Altruva
- Strong social proof (95th percentile)95th %ile
- Strong sound (94th percentile)94th %ile
- Strong build (79th percentile)
- Below average anc (33rd percentile)
Pricing
JBL Tune 670NC offers 3.0x better value for money
Verdict
Scores 90 overall, wins 7 of 7 usage categories and 14 of 39 specs.
