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fullspecs
Specification
Price
Rs.54,990.00
Rs.57,102.00
Brand
Sennheiser
Beyerdynamic
Model No
HD 660S2
DT 1770PRO
Wired / Wireless
Wired Headphone Specification
Wired Headphone Specification
Headphone Type
Over Ear
Over Ear
Magnet Type
Dynamic
Dynamic / Neodymium
Driver Diameter
38 mm
45 mm
Impedance
300 ohm
250 ohm
Sensitivity
104 dB SPL
102 dB
Frequency Response
8 Hz -41500 Hz
5 - 40 000 Hz
Maximum Power Input
NA
200 mW
Noise Cancelling
AMBIENT
NA
Available Colors
Black
Black
Connector Plating
3.5 mm
3.5 mm Gold-Plated 3-Pin XLR Stereo Jack
Cable
Tangle- Flat Cable
Tangle Resistant Cable
Weight
260 Gm
388 g
Other Features
Plush ear cushions and open design for maximum comfort.
Outstanding quality designed in Germany, made in Ireland.
Intimate sound with great timbre and deep, accurate sub bass.
Uniquely powerful vented magnet system for minimized distortion.
Ultra-light aluminium voice coil with 300-ohm impedance for excellent impulse response.
Made in Germany.
Rugged headband made of spring steel.
Single-sided, detachable cable with mini-XLR.
Circumaural headphone for high-end studio use.
250 Ohms, 45 mm dynamic Tesla neodymium driver.

Top Differences

  • Noise Cancelling: NA vs AMBIENT
  • Driver Size: 45 mm vs 38 mm
  • Weight: 388 g vs 260 Gm
  • Impedance: 250 ohm Vs 300 ohm