Fosi Audio TP-02 TDA7498E Subwoofer Amplifier Mini Sub Bass Digital Class D Integrated Subwoofer Amp 220Watt : Amazon.ca: Electronics
OSD 1000W Mono Digital Class D Subwoofer Amplifier with DSP | AV Australia Online
Dayton Audio - SA25 25W Subwoofer Plate Amplifier
How to match subwoofers and amplifiers
Subwoofer Amplifiers
Amazon.com: Fosi Audio M03 200 Watt TPA3255 Subwoofer Amplifier Mini Mono Channel Audio Power Amp for Home Theater Full-Frequency and SUB Bass Switchable with 32V/5A Power Supply : Electronics