Sennheiser HD 660S2 700240
JBL Tune 670NC
What Buyers Say
Sennheiser HD 660S2 700240
The Sennheiser HD 660S2 is praised for its natural, detailed sound with warm bass and lifelike vocals, making it ideal for critical listening. However, some users find the soundstage narrow and the build quality plasticky for the price, and a few report minimal improvement over cheaper models. Overall, it delivers a premium audio experience when paired with a good DAC/amp.
Pros
- Natural and detailed sound
- Warm bass with good punch
- Lifelike vocals
- Excellent for critical listening
- Replaceable parts (cables, pads)
Cons
- Narrow soundstage
- Plasticky build quality for price
- Requires good DAC/amp to shine
- Heavy for long sessions initially
- Minimal improvement over cheaper models
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
| Sennheiser HD 660S2 700240 | JBL Tune 670NC | |
|---|---|---|
| Design | ||
| Form Factor | over-ear | on-ear |
| Open/Closed | open | closed |
| Foldable | ✓ | ✓ |
| Weight | 0.26 kg | 0.17 kg★ |
| Ear Cushion | velour | soft ear cushions |
| Headband | Aluminio | padded headband |
| Audio | ||
| Driver Type | dynamic | dynamic |
| Driver Size | 42 mm★ | 32 mm |
| Drivers | — | 1★ |
| Freq Min | 8 Hz★ | 20 Hz |
| Freq Max | 42 kHz★ | 20 kHz |
| Impedance | 300 Ω | 32 Ω |
| Sensitivity | 104 dB★ | 98 dB |
| Max SPL | — | 95 dB★ |
| Hi-Res Audio | ✗ | ✗ |
| Codecs | Sennheiser HD 660S2 - Wired Audiophile Stereo Headphones with Deep Sub Bass, Optimized Surround, Transducer Airflow, Vented Magnet System and Voice Coil – Black (Renewed) | SBC, AAC, LC3 |
| Surround | Sennheiser HD 660S2 - Wired Audiophile Stereo Headphones with Deep Sub Bass, Optimized Surround, Transducer Airflow, Vented Magnet System and Voice Coil – Black (Renewed) | Sennheiser HD 660S2 - Wired | — |
| 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 | 1.7999999523162842 m | 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
Sennheiser HD 660S2 700240
- Strong social proof (90th percentile)90th %ile
- Strong comfort (87th percentile)87th %ile
- Strong sound (85th percentile)85th %ile
- Strong build (76th percentile)
- Below average mic (15th percentile)15th %ile
- Below average anc (32nd 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
Pricing
JBL Tune 670NC offers 7.7x better value for money
Verdict
Scores 91 overall, wins 5 of 7 usage categories and 15 of 40 specs.
