Sennheiser HD 660S2
Prices, specifications and measurements for Sennheiser HD 660S2 (Headphones).
- Price: $553
- Retailer offers: 13
- Availability: In stock
- Measurement: Score 67.1 (frequency_response)
- Measurement sources: Measurement data source
- Last updated: 2026-09-30T01:39:07.257Z
Current retailer offers
- Elise Audio $553; In stock; checked 2026-09-30T00:55:14.576Z View offer Provenance: public.price_listings; external ID sennheiser-hd-660s2; connector unavailable
- World Wide Stereo $680; In stock; checked 2026-09-30T01:33:58.588Z View offer Provenance: public.price_listings; external ID sennheiser-hd-660s2-open-over-ear-headphones-with-optimized-surround-improved-transducer-airflow; connector unavailable
- Upscale Audio $680; In stock; checked 2026-09-30T01:33:50.127Z View offer Provenance: public.price_listings; external ID sennheiser-hd660s2-headphones; connector unavailable
- The Source AV $680; In stock; checked 2026-09-30T01:32:38.715Z View offer Provenance: public.price_listings; external ID sennheiser-hd-660s2; connector unavailable
- Music Direct $680; In stock; checked 2026-09-30T01:06:33.669Z View offer Provenance: public.price_listings; external ID equipment/headphones/sennheiser-hd-660s2-headphones; connector unavailable
- Moon Audio $680; In stock; checked 2026-09-30T01:05:52.657Z View offer Provenance: public.price_listings; external ID sennheiser-hd-660s2-headphones; connector unavailable
- ListenUp $680; In stock; checked 2026-09-30T01:05:43.923Z View offer Provenance: public.price_listings; external ID sennheiser-hd660s2-open-back-headphone; connector unavailable
- Headphones.com $680; In stock; checked 2026-09-30T01:03:18.764Z View offer Provenance: public.price_listings; external ID sennheiser-hd660s2-headphones; connector unavailable
- Bloom Audio $680; In stock; checked 2026-09-30T00:51:25.135Z View offer Provenance: public.price_listings; external ID sennheiser-hd660s2; connector unavailable
- Audio Advisor $680; In stock; checked 2026-09-30T00:51:10.749Z View offer Provenance: public.price_listings; external ID sennheiser-hd-660s2-headphones; connector unavailable
- Audio46 $680; In stock; checked 2026-09-30T00:51:02.672Z View offer Provenance: public.price_listings; external ID sennheiser-hd-660s2-audiophile-headphones; connector unavailable
- Apos Audio $680; In stock; checked 2026-09-30T00:50:53.641Z View offer Provenance: public.price_listings; external ID sennheiser-hd-660s2; connector unavailable
- HeadAmp $680; Out of stock or unknown; checked 2026-09-30T01:03:15.610Z View offer Provenance: public.price_listings; external ID sennheiser-hd660s2; connector unavailable
Known Specs
- Driver type
- dynamic
- Headphone design
- open
- Headphone fit
- over-ear
- Connection
- wired
- Impedance
- 300 ohms
- Sensitivity
- 104 dB
- Weight
- 260 g
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