Pioneer
PIONEER TS-WX1210AM - Powerful 12-inch Active Subwoofer with Built-in Amplifier, 1300 Watts Peak Power, and Compact Design for Deep Bass
JBL
JBL SUBBP12AM - 12” Amplified 12” Subwoofer with Sub Level Control
Pioneer
Pioneer TS-WX1210A 12" Sealed Enclosure Active subwoofer with Built-in Amplifier
AIYIMA
AIYIMA T1 PRO Tube Preamp Vacuum Pre-Amp Receiver Home Audio Preamplifier with RCA Input Bass Treble Controls for Stereo Powered Speakers with AUX 12V Trigger Signal Output
Alpine
Alpine SWT-S10 1200W Max (250W RMS) Single 10" Sealed Subwoofer.
AIYIMA
AIYIMA T9 100W*2 Bluetooth Stereo Amplifier Class D Amp 2.0/2.1 Channel Tube Power Amp with PC-USB DAC Coaxial Optical inputs &VU Meter & Bass Treble Tone Control for Home Stereo Speakers
H YANKA
HYANKA SODA-08ASW 400W 8 Inch Compact Underseat Car Subwoofer with Built-in Amp, Slim Powered Subwoofer for Car/Truck/Jeep Audio
MTX Audio
MTX Audio RT8PT Universal Powered Subwoofer Enclosure
Sound Storm Laboratories
Sound Storm Labs LOPRO8 Amplified Car Subwoofer - 600 Watts Max Power, Low Profile, 8 Inch Subwoofer, Remote Subwoofer Control, Great for Vehicles That Need Bass But Have Limited Space