Sennheiser's HD 660S2 takes everything you love from their "600" headphones and tweaks the tuning just a bit, using new drivers to give you deeper bass extension and a wider soundstage.

Sennheiser HD 660S2: https://www.crutchfield.com/i-rYTVc2Y...

When you pick them up, the HD 660S2 are like a familiar friend. They sport the same design, materials, and comfort as earlier "600" models, with slightly softer padding on the headband. You can wear these for hours, and you'll want to.

The sound is classic Sennheiser, with brilliant mids and vocals plus smooth, crisp highs that are never shrill. They've tuned the HD 660S2 for deeper bass extension, while maintaining their signature sound otherwise.

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0:00 Intro
0:21 Deeper bass and a wider soundstage
0:43 Need power to sound their best
0:55 Comfortable for long sessions
1:22 Kam's listening impressions
1:52 Recap and contact info