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: 5 CORE 3 x 3 inch Car Subwoofer 5 Pieces 30 Watt Peak Power 4 Ohm Replacement Speakers Audio Speaker Stereo Woofer : Electronics
Amazon.com: Goldwood Sound GW-8PC-8 Heavy Duty 8ohm 8" Woofer 330 Watts Replacement Speaker, Black : Musical Instruments
Amazon.com: PRV AUDIO 8 Inch Shallow Midrange Buller Speaker 8MR400B-4 Slim, 4 Ohm, Shallow Mount Car Slim Speakers, 400 Watts Program Power 1.5 in Voice Coil, 200 Watts RMS, Compact for Doors (Single) : Electronics
Amazon.com: PRV AUDIO 12 Inch Midrange Speaker 12MR2000 8 Ohm 2000 Watts, 4 in Voice Coil Midbass Woofer for Pro Audio Systems (Single) : 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
Amazon.com: CHOOYO 5.25 Inch Subwoofer Speaker 4 8 Ohm 60W Woofer Audio Modification Deep Bass Bookshelf Loudspeaker for Home Theater DIY 1P (Color : 8 Ohm, Size : 5.25") : Electronics
Amazon.com: BLACK DIAMOND Car Audio 8" Mid-Range Speaker 550 Watt 4 Ohm with Bullet M8.4B : Electronics
Amazon.com: CQRobot Speaker 3 Watt 8 Ohm Compatible with Arduino Motherboard, JST-PH2.0 Interface. It is Ideal for a Variety of Small Electronic Projects. : Electronics
Amazon.com: Visaton R10S 4" Full Range Speaker 8 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: Pyle 8 Inch 1600 Watt DVC 4 Ohm Car Audio Subwoofer Speaker Set with 40 Oz Magnet and 1.5 Inch 4 Layer Voice Coil, Black (2 Pack) : Electronics
Amazon.com: Visaton Full-Range Speaker 8 cm (3.3'') 8 Ohm 15W 100-V System : Electronics