DROK 4 Inches 4 Ohm Audio Speakers, 40W Anti-magnetic Car Stereo speakers, 87dB High Sensitivity Thumping Bass Loudspeaker Subwoofer for 2.0/2.1 Home Stereo DIY Boombox Satellites

AOSHIKE DC12V-24V 2.1 Channel TPA3116 Subwoofer Amplifier Board High Power Bluetooth Audio Amplifier Board 50W+50W+100W (Bluetooth Amp)

AOSHIKE 2pcs 4 Inch DIY Bass Speaker Loudspeaker Vibrating Membrane Passive Bass Woofer Diaphragm Plate,Speaker Passive Radiator Replacement Kit

AOSHIKE DC12V-24V 2.1 Channel TPA3116 Subwoofer Amplifier Board High Power Bluetooth Audio Amplifier Board DIY (Bluetooth Amp with Case)

DAMGOO Bluetooth 5.0 Amplifier Board,100w Audio Amp Board Dual Channel DC8-24V,Easy Installation and Password Free Connect to Phone Quietly

AOSHIKE 8-25V 100W TPA3116 Subwoofer Digital Power Amplifier Board TPA3116D2 Amplifiers NE5532 subwoofer Plate Amplifier

DROK 4 Inches 8 Ohm Full-Range Stereo Audio Speakers, 40W Portable HiFi Speakers DIY Loudspeaker Woofer for Desktop Computer Car Auto Motor Motorcycle

DROK 4.5 Inches 4 Ohm HiFi Subwoofer Speakers Stereo Audio Loudspeaker, 40W Dual Magnetic DIY Loudspeaker with Bass for Desktop Computer Speakers

Bluetooth Amplifier Board, DROK Digital Amplifier Wireless BT 3.0 4.0 4.1 Audio Amp Board Headphone 2 Channel 50W+50W Bluetooth Speaker Board Small Amplifier Module with Case

200W Bluetooth Amplifier Board TPA3116,DAMGOO 100W+100W Audio Amp Board with LC Filter Technique,Dual Channel DC8-24V,Password Free Connect to Phone Quietly

BOSS Audio Systems BRS40 50 Watt, 4 Inch , Full Range, Replacement Car Speaker - Sold Individually