Audio Technica ATH-A1000Z vs Sennheiser HD 660S2 – Which One Should You Buy? (2026)

High-rigidity aluminum housings. Includes 6.3 mm (Â¼") stereo adapter. Proprietary 3D wing support system for excellent fit. Lightweight magnesium alloy baffle decreases unwanted vibration. 3.0 m (9.8') OFC-6N dual-sided, four-core cable with elastomer sheath. Newly designed 53 mm drivers with OFC-7N bobbin-wound voice coils. Stitched, ergonomic earpads offer superior comfort and sound isolation. Hand-assembled drivers include top-mounted PCB and pure iron yoke, ensuring precise diaphragm movement and superior transient response. The ATH-A1000Z Art MonitorÂ® closed-back dynamic headphones feature proprietary large-aperture 53 mm drivers to deliver exquisite Hi-Res Audio reproduction. he hand-assembled drivers include OFC-7N bobbin-wound voice coils for ultra-efficient signal transmission, a pure iron yoke for superior transient response, and a top-mounted PCB for smoother airflow that enables precise diaphragm movement.

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.

Key Differences

If you're comparing Sennheiser HD 660S2 and Audio Technica ATH-A1000Z, both models offer a strong combination of sound performance, comfort, and modern wireless features. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. Overall, both headphones are feature-rich and cater to users looking for a combination of sound quality, comfort, and wireless convenience. Impedance levels vary (300 ohm vs 44 ohm), which can affect compatibility and audio output when used with different devices. The frequency response differs (8 Hz -41500 Hz vs 2Hz - 43KHz), which can influence how well the headphones reproduce lows, mids, and highs. Sennheiser HD 660S2 and Audio Technica ATH-A1000Z offer different noise cancellation capabilities (AMBIENT vs Sound Isolation), which can impact how effectively they block external noise. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. The driver size differs between the two (38 mm vs 53 mm), which can influence sound depth, bass response, and overall audio clarity. There is a noticeable difference in weight (260 Gm vs 265 GM), which may affect comfort during extended use.

Verdict: Both headphones offer strong performance, and the right choice depends on your priorities such as battery life, comfort, and noise cancellation.

Top Differences

Noise Cancelling: AMBIENT vs Sound Isolation
Driver Size: 38 mm vs 53 mm
Weight: 260 Gm vs 265 GM
Impedance: 300 ohm vs 44 ohm

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Key Differences

Top Differences