Amazon.com: 5 CORE 8 Inch Car Subwoofer Paper Cone, Black, Voice Coil 4 Ohm Impedance, 1000 Watt Power Audio Speakers, Vehicle Audio Full Range Drivers, Loudspeaker Woofer Replacement : Electronics
Amazon.com: CHOOYO 6.5 Inch Subwoofer Speakers 80W 4 8 Ohm High Power HiFi Fever Woofer Music Audio Bookshelf Loudspeaker DIY Sound System (Color : 4 Ohm) : Electronics
uxcell 25W 8 Ohm 5% Aluminum Housing Resistor Screw Tap Chassis Mounted Aluminum Case Wirewound Resistor Load Resistors Gold Tone 2 pcs: Amazon.com: Industrial & Scientific
Amazon.com: 12V Low Pass Speaker Subwoofer Crossover for 8 Ohm or 4 Ohm : Electronics
Amazon.com: Pack of 2 Full Range Bookshelf Speaker, 3 Inch 8 Ohm Anti-Magnetic HiFi Tweeter Wooden Enclosure Home Audio Woofer Multimedia Speakers (8Ω) : Electronics
Amazon.com: CHOOYO 6.5 Inch Subwoofer Audio Speaker 80W 4 8 Ohm High Power Fever Woofer Music Loudspeaker DIY for Bookshelf Sound System (Color : 8 Ohm) : Electronics
Amazon.com: Fielect 2Pcs Internal Magnet Speaker 8Ohm 5W with Wire and Terminal 4 Pin,45x100x21mm : Electronics
Amazon.com: Gikfun Round Micro Speaker Diameter 28mm 8Ohm 8R 2W for Arduino (Pack of 2pcs) AE1054 : Electronics
Amazon.com: 5 CORE 4 inch Woofer Driver 40W 4Ohm Replacement Full Range Speaker Audio Stereo Dual Cone Concept for Extra Crisp Sound Made in India - Pair : Electronics