Q Acoustics 3020 review: Mini price, mini size, maxi sound - CNET
Amazon.com: Q Acoustics 3060S Active Subwoofer Carbon Black - Enclosure Type: Infinite Baffle, 8" Driver, 150 Watt Class D Amplifier - Powered Home Audio Subwoofers for Home Theater Sound System : Electronics
Amazon.com: Q Acoustics 3060S Active Subwoofer Carbon Black - Enclosure Type: Infinite Baffle, 8" Driver, 150 Watt Class D Amplifier - Powered Home Audio Subwoofers for Home Theater Sound System : Electronics