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HD 660 S Open-Back Dynamic Headphones Product Image

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
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