Review: Sennheiser HD 660S
Classic in renewed costume
Sennheiser's best in the 600 series is the safe choice in this class.
Sennheiser HD 660S
Silky smooth sound rich in details, beautiful vocal reproduction and warm, full sound.
Limited sound pressure and deep bass.
- Type: Open, over the ear
- Principle: Dynamic
- Collapsible: No.
- Microphone / remote control: No / no
- Cable: 3m 6.3mm incl. 3.5mm adapter + 4.4mm balanced
- Elements: 45 mm
- Impedance / sensitivity: 150 ohms / 104 dB
- Frequency response: 10-41,000 Hz
- Weight: 260 grams (without cable)
- Color: black