Audioengine S8, Active subwoofer, 125 W, 27 - 180 Hz, 250 W, 88 dB, 50 - 130 Hz - Cdiscount TV Son Photo
Amazon.com: BESTISAN Powered Subwoofer, 6.5" Active Home Audio Subwoofer in Compact Design,LFE & Stereo Line Inputs & Audio Output, Built-in Amplifier for Home Theater/Receiver/TV/Speakers, Black, SW65D : Everything Else