AudioEngine's New S6 Subwoofer with the HD4 Home Music System – PS Audio
Audioengine S8 White - Premium 8" Powered Subwoofer
Amazon.com: Audioengine S8 Powered Subwoofer Speaker - 250W 8-inch Home Subwoofer with Built-in Amplifier and Dual Audio Inputs for Home Speaker System (White) : Electronics
Used AudioEngine Sub8 Powered Subwoofer - White | Reverb
S8 Subwoofer (Black) - Audioengine Speakers & Subwoofers - Touch of Modern
Amazon.com: Audioengine S8 Powered Subwoofer Speaker - 250W 8-inch Home Subwoofer with Built-in Amplifier and Dual Audio Inputs for Home Speaker System (Black) : Electronics