Polk’s HTS 10 and HTS 12 subwoofers have been discontinued. What they offered, whether to buy used, and the current Polk replacements to consider.

Rockville Rock Shaker 12 review: what this low-cost 12-inch subwoofer does well, why its 800 W peak rating needs context, and better options if you can stretch.

Yamaha NS-SW100 review: why this compact 10-inch subwoofer suits small rooms and apartments, its limits, and how it compares with Polk and Klipsch.

Bose Bass Module 500 review: compatibility, how it performs, how it compares with the Bass Module 700, and when a different setup makes more sense.

Sonos Sub Gen 3 review: what it does well, how it differs from the newer Sonos Sub 4, compatibility, and whether it’s worth buying in 2026.