Sennheiser HD 660S2: 4 of 6 decision facts sourced.
Sennheiser HD 800S: 4 of 6 decision facts sourced.
| Sennheiser HD 660S2 | Sennheiser HD 800S | |
|---|---|---|
| Price today | Price not yet checked | $1,600 |
| Dimensions | 1/4 in. (6.35mm) bestbuy.com | 1/4 in. (6.35mm) bestbuy.com |
| Weight | 1.1 pounds bestbuy.com | 0.73 pounds bestbuy.com |
| Warranty | 2 years bestbuy.com | 2 years bestbuy.com |
| Starting MSRP | $679.99 bestbuy.com | $1,999.99 bestbuy.com |
Not yet sourced — Sennheiser HD 660S2: Power, Capacity. Sennheiser HD 800S: Power, Capacity. No manufacturer, official or retailer source we read publishes these yet; we don't estimate them.
Verdict: The HD 660S2 offers lower starting price ($679.99 vs $1,999); the HD 800S counters with lighter (0.73 lb vs 1.1 lb). Neither publishes power or capacity yet.
Sennheiser HD 660S2 lists at $479.99 while Sennheiser HD 800S lists at $1,600 — Sennheiser HD 660S2 undercuts Sennheiser HD 800S by $1,120.01 (233%).
Winner: Sennheiser HD 800S
Sennheiser HD 660S2: 7.5/10
Sennheiser HD 800S: 8.8/10
| Sennheiser HD 660S2 | Sennheiser HD 800S | |
|---|---|---|
| Dimensions | 1/4 in. (6.35mm) | 1/4 in. (6.35mm) |
| Weight | 1.1 pounds | 0.73 pounds |
| Warranty | 2 years | 2 years |
| Starting MSRP | $679.99 | $1,999.99 |
| Connection Type | Wired | Wired |
| Environmental Noise Control | Yes | Yes |
Our pick: Sennheiser HD 800S.
The Sennheiser HD 660S2 offers warmer, more intimate sound with stronger bass and smoother treble than the neutral, wide-open Sony MDR-MV1. At $600 vs $400, the HD 660S2 provides better build and comfort while the MV1 delivers superior soundstage and detail for mixing.
The Beyerdynamic DT 900 Pro X has a more neutral and detailed sound with faster transients and better treble extension than the Sennheiser HD 660S2, which sounds warmer with richer bass and smoother mids. The DT 900 Pro X costs $250 while the HD 660S2 costs $600.
The Beyerdynamic DT 1990 Pro has a brighter, more analytical treble and superior soundstage width compared to the warmer, smoother Sennheiser HD 660S2. The DT 1990 costs $500 while the HD 660S2 is $600; most prefer the HD 660S2 for balanced listening.
The Hifiman Sundara offers a wider soundstage and more neutral tonality with better detail retrieval at $299, while the Sennheiser HD 660S2 delivers warmer bass, smoother mids, and superior comfort at $599. The Sundara provides better value for most listeners.
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