HD 660 S Open-Back Dynamic Headphones
Product Description
The HD 660 S Open-Back Dynamic Headphones from Sennheiser are headphones for the passionate audiophile and are crafted for the most demanding listener. Built with a transducer design that delivers lower harmonic distortion, they provide a natural, lifelike audio experience and can be used to produce crisp bass, transparent mid-frequency response, and a natural treble when connected to high-res players or portable audio devices.
With an impedance of 150 Ohms and a frequency response of 10 Hz to 41 kHz, the HD 660 S headphones are equipped with a choice of cables that feature both balanced (4.4mm Pentaconn) and 1/4" connectors. A 1/4" to 1/8" adapter is also included. This allows you to enjoy reference-class, high-fidelity sound with stationary and mobile audio players alike.
Headphone | |
Driver Type | Dynamic |
Design | Over-Ear (Circumaural) |
Earcup Style | Open-Back |
General | |
Frequency Response | 10 Hz to 41 kHz |
Impedance | 150 Ohms |
Maximum Sound Pressure Level (SPL) | 104 dB at 1 kHz / 1 Vrms |
Total Harmonic Distortion (THD) | 0.04% |
Matching Tolerance | |
Volume Limiting | |
Output Power | |
Impedance | |
Signal-to-Noise Ratio | |
Connectivity | |
Audio Connector to Source | 4.4 mm TRRRS |
Connector Plating | Gold |
Physical | |
Certifications | |
Weight | 9.2 oz / 260 g |
Warranty Length |