Sennheiser HD 660S2 headphones now available for $379 at Amazon

A $19.72 discount that's hard to ignore.

Open-back headphones are the gold standard for soundstage and imaging, and the Sennheiser HD 660S2 consistently ranks among the best in its class. Sennheiser HD 660S2 - Audiophile Open-Back Over drops to $379 - save $19.72. That puts it below its 30-day average of $398.72 and well under the 90-day mark of $412.93.

THE DEAL

Sennheiser HD 660S2 - Audiophile Open-Back Over

$379 (was $398.72) - Save $19.72 (5% off)

WhereAmazon

ExpiresNo end date listed

Get This Deal

For just $379, below its 30-day average of $398.72. The 90-day average sits at $412.93 and the 180-day average at $426.74. While the all-time low is $358.95. This is the best price in recent weeks and a genuine dip below the normal trading range.

What You're Getting

The HD 660S2 delivers audiophile-grade open-back sound with a spacious soundstage designed for immersive listening. Key specs include:

- 42mm transducers with ultra-light aluminum voice coils for detailed highs, rich mids, and controlled deep bass

- Extended low-end performance covering piano lows from 27.5 Hz to bass drums at 45-60 Hz with clarity

- Open-back design with breathable, plush ear cushions for fatigueless listening during long sessions

- Premium build quality crafted in Germany and Ireland for durability and long-term performance

These wired over-ear headphones work with PC, music systems, gaming setups, and podcasting gear.

Who This Is For

Best for: audiophiles who want Sennheiser's refined tuning without jumping to the $1,500+ reference models. Also a strong fit for gamers who value positional audio and all-day comfort over flashy RGB features.

If you need closed-back isolation for noisy environments or primarily listen to sub-bass-heavy genres, a closed-back design would serve you better.

Final Verdict

The $379 price undercuts the 30-day average by nearly $20 and the 180-day average by almost $48. If you are looking for open-back headphones with precise imaging and German engineering. This is one of the better price points we have seen in recent months.