Sennheiser HD 660S2 700240
Sennheiser
63 Overall Score
vs
Beyerdynamic Aventho 100
Beyerdynamic
89 Overall Score
What Buyers Say
Sennheiser HD 660S2 700240
82 out of 100 low confidence 6 reviews
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
Sound quality 5
Build quality 3
Value for money 4
Soundstage 3
Bass performance 3
Vocal quality 2
Beyerdynamic Aventho 100
No customer feedback yet
Scores
Budget
Studio
Commute
Music
Gaming
Work
Calls
Specifications
| Sennheiser HD 660S2 700240 | Beyerdynamic Aventho 100 | |
|---|---|---|
| Design | ||
| Form Factor | over-ear | on-ear |
| Open/Closed | open | closed |
| Foldable | ✓ | ✓ |
| Weight | 0.26 kg | 0.22 kg★ |
| Ear Cushion | velour | replaceable ear pads |
| Headband | Aluminio | aluminum and durable textiles |
| Audio | ||
| Driver Type | dynamic | dynamic |
| Driver Size | 42 mm | 45 mm★ |
| Drivers | — | 1★ |
| Freq Min | 8 Hz★ | 20 Hz |
| Freq Max | 42 kHz★ | 22 kHz |
| Impedance | 300 Ω | 48 Ω |
| Sensitivity | 104 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) | AAC, aptX, aptX Adaptive, aptX LL, SBC |
| 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 | — | 5.4★ |
| Profiles | — | AVDTP 1.3, HFP 1.9, GAVDP 1.3, SPP 1.2, A2DP 1.4, AVRCP 1.6 |
| Multipoint | — | ✓★ |
| Wired Connector | 3.5mm | 3.5mm |
| Detachable Cable | ✓ | ✓ |
| Cable Length | 1.7999999523162842 m | — |
| Range | — | 15 m★ |
| Battery | ||
| Battery Life | — | 60 hrs★ |
| Charge Time | — | 1.5 hrs★ |
| Fast Charging | — | 15-minute charge for up to 15 hours of listening time |
| Charging | — | USB-C★ |
| Capacity | — | 630 mAh★ |
| Microphone | ||
| Microphone | ✗ | ✓★ |
| Mic Count | — | 2★ |
| NC Mic | — | ✓★ |
| Boom Mic | — | ✗ |
| Detachable Mic | — | ✗ |
| Features | ||
| Voice Assistant | — | Google Fast Pair |
| Touch Controls | ✗ | ✗ |
| App | — | beyerdynamic app |
| Volume Limiting | — | ✗ |
| 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)
Beyerdynamic Aventho 100
- Strong anc (98th percentile)98th %ile
- Strong sound (98th percentile)98th %ile
- Strong connectivity (98th percentile)98th %ile
- Strong build (94th percentile)94th %ile
Pricing
Sennheiser HD 660S2 7002400.149score per dollar
vs
Beyerdynamic Aventho 1000.447score per dollar
Beyerdynamic Aventho 100 offers 3.0x better value for money
Verdict
Winner: Beyerdynamic Aventho 100
Scores 89 overall, wins 6 of 7 usage categories and 17 of 42 specs.
