This Pyle low profile amplified subwoofer is designed to be low enough to easily fit below the seat of your car. Featuring low pass crossovers, controls for adjusting the input sensitivity and for further flexibility a variable bass boost control has been included. You can control the subwoofer level with the remote level control module. | Pyle | | PLBX8A 8” 600 Watt Low-Profile Active Amplified Car Audio Subwoofer | Best Buy