Sennheiser HD 660S2 vs Beyerdynamic DT 1770 PRO – Specs, Price & Comparison (2026)

ALERT

Sennheiser HD 660S2
Rs.54,990.00

Beyerdynamic DT 1770 PRO
Rs.49,990.00

Brand	Sennheiser	Beyerdynamic
Model No	HD 660S2	DT 1770 PRO
Wired / Wireless	Wired Headphone Specification	Wired Headphone Specification
Headphone Type	Over Ear	On Ear

Magnet Type	Dynamic	Neodymium
Driver Diameter	38 mm	45 mm
Impedance	300 ohm	250 Ohms
Sensitivity	104 dB SPL	102 dB/mW
Frequency Response	8 Hz -41500 Hz	5 Hz - 40000 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 Jack
Cable	Tangle- Flat Cable	3 m
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.	- Closed premium studio headphone - Rugged headband made of spring steel - Single-sided, detachable cable - Soft, replaceable ear and headband pads - Gold-plated mini stereo jack plug (3.5 mm) & 1/4" adapter (6.35 mm) - 250 Ohms, 45 mm dynamic Tesla neodymium driver - Premium carrying case
	Compare Sennheiser HD 660S2 with: Sennheiser HD 700 Beyerdynamic DT 1770PRO Denon AH-D5200 Cleer Audio NEXT Beyerdynamic DT 1990 PRO MKII	Compare Beyerdynamic DT 1770 PRO with: Sony MDR-Z7M2 Audio Technica ATH-A1000Z Denon AH-MM400 Audio Technica ATH-E50 Beyerdynamic Xelento Remote

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