Amazon.com: BOSS Audio Systems CXX8 8 Inch Car Subwoofer - 600 Watts Maximum Power, Single 4 Ohm Voice Coil, Easy Mounting, Sold Individually : Electronics
Amazon.com: 4) Rockville RM108PRO 10" 2400 Watt 8-Ohm SPL Car Midrange Mid-Bass Pro Speakers : Electronics
Amazon.com: Philmore 4" Square Replacement Speaker with Weatherproof Mylar Cone, 8 Ohm, 5W; TS45 : Electronics
Amazon.com: Skar Audio FSX65-4 6.5" 300 Watt 4 Ohm Pro Audio Midrange Loudspeaker, Each : Everything Else
Amazon.com: Skar Audio FSX8-4 8" 350 Watt 4 Ohm Pro Audio Midrange Loudspeaker, Each : Everything Else
Amazon.com: 1” Car Audio Speaker Tweeter - 300 Watt High Power Super Titanium Tweeter System w/ 3.75 Inch Aluminum Bullet Horn, 2kHz-25 kHz Frequency, 98 dB, 4-8 Ohm, Heavy Duty 20 oz Magnet - Pyle PDBT19 (Pair) : Electronics
Amazon.com: 4 ohm speaker
Amazon.com: Visaton Full-Range Speaker 8 cm (3.3'') 8 Ohm 15W 100-V System : Electronics
Amazon.com: Massive Audio MB8 MB Series. 8 Inch 400 Watts, 4 Ohm Pro Audio Midrange/Midbass Speaker for Cars, Stage and DJ Applications. Sold Individually. : Electronics
Amazon.com: BOSS Audio Systems PT1000 2 Channel Car Amplifier - 1000 Watts, Full Range, Class A/B, 2-8 Ohm Stable, Mosfet Power Supply, Bridgeable : Electronics
Amazon.com: Gikfun 2" 4Ohm 3W Full Range Audio Speaker Stereo Woofer Loudspeaker for Arduino (Pack of 2pcs) EK1725 : Electronics
Amazon.com: Kicker CompC 44CWCS84 8" 4-ohm Component Subwoofer : Electronics
Amazon.com: Visaton FRS7-4 2.5" Full-Range Speaker 4 Ohm : Electronics
Amazon.com: Rockville RM84PRO 8" 4 Ohm SPL Competition Midrange Car Speaker, 108dB, 300w : Electronics
Amazon.com: Alpine R-Series R2-W8D4 8 Inch Dual 4-Ohm Voice Coils Subwoofer with 350W RMS : Electronics
Amazon.com: PRV AUDIO 8 Inch Midbass Speaker 8MB450-4 v2, 450 Watts Program Power, 2 in Voice Coil, 4 Ohm, 225 Watts RMS Pro Audio Mid Bass Woofer (Single) : Musical Instruments
Amazon.com: 4 ohm speaker
Amazon.com: Planet Audio AC8D 8 Inch Car Subwoofer - 1200 Watts Maximum Power, Dual 4 Ohm Voice Coil, Sold Individually : Electronics
Amazon.com: Dayton Audio DMA80-8 3" Dual Magnet Aluminum Cone Full-Range Driver 8 Ohm : Electronics
Amazon.com: Eminence Patriot Texas Heat 12" Guitar Speaker, 150 Watts at 8 Ohms : Musical Instruments
Amazon.com: Skar Audio EVL-8 D4 8" 1200 Watt Max Power Dual 4 Ohm Car Subwoofer : Electronics
Amazon.com: CQRobot Speaker 5 Watt 8 Ohm Compatible with Arduino Motherboard, 2.54mm Dupont Interface. It is Ideal for a Variety of Small Electronic Projects. : Everything Else
Amazon.com: Visaton FRS8-8 3.3" Full-Range Speaker 8 Ohm : Electronics
