Sennheiser HD 660S2 Open-Back Audiophile Headphones
The Sennheiser HD 660S2 are open-back, over-ear audiophile headphones with dynamic drivers, tuned for detailed sound with extended bass.
- Design: open-back, over-ear
- Driver: dynamic, open-back
- Impedance: 300 ohms
- Frequency response: 8 Hz to 41.5 kHz
- Sensitivity: 104 dB SPL
- Note: the 300-ohm impedance benefits from a dedicated headphone amplifier
- Use: critical listening and home audio
| Brand | Sennheiser |