Riwbox AC2
JBL Tune 670NC
What Buyers Say
Riwbox AC2
The Riwbox Hybrid Active Noise Cancelling Headphones receive generally positive feedback for their sound quality, comfort, and battery life, with many users praising the value for money. However, a significant number of reviews mention issues such as high-pitched feedback or squealing after calls, connectivity problems, and poor customer support. While the noise cancellation and lightweight design are appreciated, durability concerns and inconsistent mic performance for calls are noted.
Pros
- Excellent noise cancellation
- Great sound quality for price
- Comfortable to wear
- Long battery life
- Lightweight design
Cons
- High-pitched feedback/squealing after calls
- Poor customer support
- Fuzzy sound quality in some units
- Connectivity issues
- Mic not ideal for long calls
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
Scores
Specifications
| Riwbox AC2 | JBL Tune 670NC | |
|---|---|---|
| Design | ||
| Form Factor | over-ear | on-ear |
| Open/Closed | — | closed |
| Foldable | ✓ | ✓ |
| Weight | 0.28 kg | 0.17 kg★ |
| Ear Cushion | protein | soft ear cushions |
| Headband | — | padded headband |
| Audio | ||
| Driver Type | dynamic | dynamic |
| Driver Size | 40 mm★ | 32 mm |
| Drivers | — | 1★ |
| Freq Min | — | 20 Hz★ |
| Freq Max | — | 20 kHz★ |
| Impedance | 32 Ω | 32 Ω |
| Sensitivity | — | 98 dB★ |
| Max SPL | — | 95 dB★ |
| Hi-Res Audio | — | ✗ |
| Codecs | Riwbox Hybrid Active Noise Cancelling Headphones, Wireless Over Ear Bluetooth Headset, 60H Playtime, High-Fidelity, Foldable, Comfort&Immersion for Work/Commuting (Blue) | SBC, AAC, LC3 |
| Noise Control | ||
| ANC | ✓ | ✓ |
| ANC Type | hybrid | adaptive |
| Transparency | — | ✓★ |
| Connectivity | ||
| Wireless | ✓ | ✓ |
| Bluetooth | — | 5.3★ |
| Profiles | — | A2DP 1.4, AVRCP, HFP 1.8 |
| Multipoint | — | ✓★ |
| Wired Connector | — | 3.5mm |
| Detachable Cable | — | ✓★ |
| Cable Length | — | 1.2192000150680542 m |
| Battery | ||
| Battery Life | 60 hrs | 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
Riwbox AC2
- Strong battery (88th percentile)88th %ile
- Strong anc (85th percentile)85th %ile
- Strong comfort (80th percentile)80th %ile
- Strong social proof (69th percentile)
- Below average mic (15th percentile)15th %ile
- Below average user sentiment (22nd percentile)
- Below average connectivity (33rd percentile)
- Below average build (34th percentile)
JBL Tune 670NC
- Strong connectivity (99th percentile)99th %ile
- Strong social proof (99th percentile)99th %ile
- Strong anc (98th percentile)98th %ile
- Strong battery (94th percentile)94th %ile
Verdict
Scores 91 overall, wins 7 of 7 usage categories and 17 of 39 specs.