Mybecca via Walmart continues to offer its Mybecca Studio Soundproofing Acoustic Panel 24-Pack for $27.99 with free shipping. That's tied with our mention from three weeks ago and the lowest price we could find for this quantity by $4, outside of the mentions below. Each panel is designed to improve acoustics in recording studios, practice rooms, or home entertainment centers.

A couple of close prices: Urban Mall via eBay has it for $28.75 with free shipping; Murano Home Furnishing via eBay has it for $28.79 with free shipping