Headphones Wired Circumaural Open design Dynamic Frequency range: 8 - 41,500 Hz Impedance: 300 Ohm Sound pressure level: 104 dB (1V) Driver size: 38
Sennheiser HD 660S2
Sennheiser HD 660S2 review: New approach yields stellar results
Sennheiser Consumer Audio HD 660S2 - Wired Audiophile Stereo Headphones with Deep Sub Bass, Optimized Surround, Transducer Airflow, Vented Magnet System and Voice Coil – Black : Electronics
Sennheiser HD 660S2 - RADIO COLON
Sennheiser HD 560S – Elise Audio
Sennheiser Consumer Audio HD 660S2 - Wired Audiophile Stereo Headphones with Deep Sub Bass, Optimized Surround, Transducer Airflow, Vented Magnet System and Voice Coil – Black : Electronics
User manual Sennheiser HD 660S2 (English - 4 pages)
Sennheiser HD-660S2 Peso (Kg): 0.260 -Sensibilidad (dB): 104 dB -Im
Sennheiser Consumer Audio HD 660S2 - Wired Audiophile Stereo Headphones with Deep Sub Bass, Optimized Surround, Transducer Airflow, Vented Magnet System and Voice Coil – Black : Electronics
HD 660S2 Sennheiser US
Sennheiser HD 660S2 Review
Open-back Sennheiser HD 660S2 headphones boast wider soundstage and crisper low frequency response - Yanko Design