Sennheiser HD 660S2 700240
TOZO HT3
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
TOZO HT3
Based on 19 reviews, the TOZO HT3 headphones receive overwhelmingly positive feedback for their excellent sound quality, impressive noise cancellation, and exceptional value for money. Users consistently praise the long battery life, comfort for extended wear, and the useful companion app with customizable EQ. The main criticisms are minor: some find the plastic build feels slightly cheap, the ANC is good but not the absolute best on the market, and one user noted the fit can look a bit bulky.
Pros
- Exceptional value for money
- Excellent sound quality with clear vocals and punchy bass
- Impressive noise cancellation for the price point
- Long battery life lasting several days with regular use
- Very comfortable for extended wear
Cons
- Plastic build feels slightly cheap
- ANC is good but not the best on the market
- Buttons could be improved
- Fit can look slightly bulky
- Small instruction text
Scores
Specifications
| Sennheiser HD 660S2 700240 | TOZO HT3 | |
|---|---|---|
| Design | ||
| Form Factor | over-ear | over-ear |
| Open/Closed | open | closed |
| Foldable | ✓ | ✓ |
| Weight | 0.26 kg | 0.25 kg★ |
| Ear Cushion | velour | Sponge |
| Headband | Aluminio | Silicone Protein Sponge |
| Audio | ||
| Driver Type | dynamic | dynamic |
| Driver Size | 42 mm★ | 40 mm |
| Drivers | — | 2★ |
| Freq Min | 8 Hz★ | 20 Hz |
| Freq Max | 42 kHz★ | 20 kHz |
| Impedance | 300 Ω | 16 Ω |
| Sensitivity | 104 dB★ | 100 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) | TOZO HT3 Hybrid Noise Cancelling Headphones, 90H Playtime Wireless Over Ear Bluetooth Headset, Spatial Audio AI Chat with 5 Mics, Supports Dual Connection and USB-C Input, with 32 EQ Music Modes, Blue |
| 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 | Spatial Audio |
| Noise Control | ||
| ANC | ✗ | ✓★ |
| ANC Type | — | adaptive |
| Transparency | ✗ | ✗ |
| Connectivity | ||
| Wireless | ✗ | ✓★ |
| Bluetooth | — | 6.0 |
| Multipoint | — | ✓★ |
| Wired Connector | 3.5mm | 3.5mm |
| Detachable Cable | ✓★ | — |
| Cable Length | 1.7999999523162842 m | — |
| Range | — | 15 m★ |
| Battery | ||
| Battery Life | — | 90 hrs★ |
| Charge Time | — | 2 hrs★ |
| Fast Charging | — | 10 min for 9 hours playback |
| Charging | — | USB-C★ |
| Microphone | ||
| Microphone | ✗ | ✓★ |
| Mic Count | — | 4★ |
| NC Mic | — | ✓★ |
| Boom Mic | — | ✗ |
| Detachable Mic | — | ✗ |
| Features | ||
| Voice Assistant | — | Other |
| Touch Controls | ✗ | ✗ |
| App | — | TOZO App |
| Gaming Mode | ✓ | ✓ |
| Water Resistance | — | IPX4 |
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)
TOZO HT3
- Strong sound (99th percentile)99th %ile
- Strong battery (98th percentile)98th %ile
- Strong connectivity (97th percentile)97th %ile
- Strong user sentiment (96th percentile)96th %ile
Pricing
Sennheiser HD 660S2 700240
TOZO HT3
No current pricing available
Verdict
Scores 91 overall, wins 5 of 7 usage categories and 13 of 40 specs.
