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

ALERT

Beyerdynamic DT 1770 PRO
Rs.49,990.00

Sennheiser HD 660S2
Rs.54,990.00

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

Magnet Type	Neodymium	Dynamic
Driver Diameter	45 mm	38 mm
Impedance	250 Ohms	300 ohm
Sensitivity	102 dB/mW	104 dB SPL
Frequency Response	5 Hz - 40000 Hz	8 Hz -41500 Hz
Maximum Power Input	200 mW	NA
Noise Cancelling	NA	AMBIENT

Available Colors	Black	Black
Connector Plating	3.5 mm Gold Plated Jack	3.5 mm
Cable	3 m	Tangle- Flat Cable
Weight	388 g	260 Gm
Other Features	- 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	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.
	Compare Beyerdynamic DT 1770 PRO with: Sony MDR-Z7M2 Audio Technica ATH-A1000Z Denon AH-MM400 Audio Technica ATH-E50 Beyerdynamic Xelento Remote	Compare Sennheiser HD 660S2 with: Sennheiser HD 700 Beyerdynamic DT 1770PRO Denon AH-D5200 Cleer Audio NEXT Beyerdynamic DT 1990 PRO MKII

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