Car Stereo Amplifier Board, DROK 30W+30W Class AB Car Audio Amplifier 2.0 Dual-Channel Stereo Amp Board TDA7377 DC12V Amplify Module for Auto Speaker

DROK TDA7297 15W+15W Audio Power Amplifier Module AC/DC 9-18V 2.0 Dual Channel Stereo Amp Board, DIY Sound System Component

12V Amplifier Board, DROK PAM8620 Digital Stereo Amp Module 15W+15W 2.0 Dual Channel Class D 8-26V 12 v 24v Immersion Gold Power Amplifier Circuit Mini Amplify for Bookshelf Floor Speakers with Knob

BOSS Audio BRS40 50 Watt, 4 Inch, Full Range, Replacement Car Speaker (Sold individually)

BOSS Audio BRS35 50 Watt, 3.5 Inch, Full Range, Replacement Car Speaker (Sold individually)

Gikfun 2" 4Ohm 3W Full Range Audio Speaker Stereo Woofer Loudspeaker for Arduino (Pack of 2pcs) EK1725

Nine to Nine 3.5mm Stereo Jack Panel Mount Connector Pack of 10

4" Car Sound Speaker (Pair) - Upgraded Blue Poly Injection Cone 2-Way 180 Watt Peak w/ Non-fatiguing Butyl Rubber Surround 110 - 20Khz Frequency Response 4 Ohm & 3/4" ASV Voice Coil - Pyle PL42BL

Mini Audio Amplifier Board, DROK Micro Stereo Amplifier Circuit Dual Channel 15W+15W TDA7297 Digital Amp Module 6V-18V 12v Power Supply Portable Ampli with 12V/2A Switch Power Supply Adapter

Amplifier Board, DROK TPA3116 HiFi Dual-Channel Stereo Audio Amplifier Subwoofer DC10-25V Digital 2.0 Amp Module 25W+25W Output with Volume Adjustment Knob