Pioneer
PIONEER TS-WX140DA Compact Series 8" x 5-1/4" - 170 W Max Power - Compact Active Subwoofer
MTX
MTX TN8MS Terminator 8 Inch Micro Compact Amplified Subwoofer Enclosure for Small Vehicles with Class A/B Amplifier, Variable Bass Boost, External Bass Control, and Smart Engage Auto Turn On Circuitry
MTX
MTX 10" Shallow 300 Watts RMS 4 Ohm Subwoofer 3510-04S (35 Series) 3.375" Mounting Depth
Planet Audio
Planet Audio PAB80 Car Subwoofer and Amp Package – 400W High Output, Built-in Amplifier, 8 Inch Subwoofer with Passive Radiator, Remote Subwoofer Control