Denon AH-MM400 vs Sennheiser HD 660S2 – Specs, Price & Comparison (2026)

ALERT

Denon AH-MM400
Rs.49,500.00

Sennheiser HD 660S2
Rs.54,990.00

Brand	Denon	Sennheiser
Model No	AH-MM400	HD 660S2
Wired / Wireless	Wired Headphone Specification	Wired Headphone Specification
Headphone Type	On Ear	Over Ear

Magnet Type	Neodymium	Dynamic
Driver Diameter	40 mm	38 mm
Impedance	32 Ohms	300 ohm
Sensitivity	96 dB/mW	104 dB SPL
Frequency Response	10 Hz - 40,000Hz	8 Hz -41500 Hz
Maximum Power Input	1000 mW	NA
Noise Cancelling	Yes	AMBIENT

Available Colors	Brown	Black
Connector Plating	3.5 mm Gold Plated Jack	3.5 mm
Cable	1.2 m	Tangle- Flat Cable
Weight	310 g	260 Gm
Other Features	- Natural American Walnut Earcups Design - Aluminum Die-cast Hangers - Diaphragms with Free Edge and Neodymium Magnets - Contemporary European Design - Oxygen Free Copper Cables	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 Denon AH-MM400 with: Audio Technica ATH-A1000Z Sony MDR-Z7M2 Beyerdynamic DT 1770 PRO 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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