Nippon HC-101 4 Ohm 1 channel 400w 120 Hz Low pass Subwoofer Crossover
AOSHIKE 8-25V 100W TPA3116 Subwoofer Digital Power Amplifier Board TPA3116D2 Amplifiers NE5532 subwoofer Plate Amplifier
uxcell 2 Pcs 130W 2-Way Speaker System Audio Crossover Filters Frequency Distributor
Car Vehicle Subwoofer Audio Speaker - 6.5 Inch Non-Pressed Paper Cone, Black Steel Basket, Dual Voice Coil 4 Ohm Impedance, 600 Watt Power, Foam Surround for Vehicle Stereo Sound System - Pyle PLPW6D
AOSHIKE DC12V-24V 2.1 Channel TPA3116 Subwoofer Amplifier Board High Power Bluetooth Audio Amplifier Board 50W+50W+100W (Bluetooth Amp)
BOSS Audio Systems CXX8 8 Inch Car Subwoofer - 600 Watts Maximum Power, Single 4 Ohm Voice Coil, Easy Mounting, Sold Individually
PAC BB-2PR Pair of Bass Blocker Designed for 6" Speakers
AOSHIKE TPA3116 DC 12-24v 100W Subwoofer Amplifier Board Support Bass Output Digital Small Power Amplifier Board Video Audio Accessories
Pyle 6.5 Inch Mid Bass Woofer Sound Speaker System - Pro Loud Range Audio 300 Watt Peak Power w/ 4 Ohm Impedance and 60-20KHz Frequency Response for Car Component Stereo PLG64
AOSHIKE 2pcs 4 Inch DIY Bass Speaker Loudspeaker Vibrating Membrane Passive Bass Woofer Diaphragm Plate,Speaker Passive Radiator Replacement Kit