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: 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: BOSS Audio Systems CXX8 8 Inch Car Subwoofer - 600 Watts Maximum Power, Single 4 Ohm Voice Coil, Easy Mounting, Sold Individually : 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: Alpine R-Series R2-W8D4 8 Inch Dual 4-Ohm Voice Coils Subwoofer with 350W RMS : Electronics
Amazon.com: Facmogu 2PCS 8" Full Range Audio Speakers, RMS 50W Peak 120W, 4 Ohm Car Vehicle Audio Full Range Drivers, Wide Range DIY Loudspeaker Woofer Replacement - Red : Everything Else
Amazon.com: GRS 3FR-4 Full Range 3" Speaker Driver 4 Ohm : Electronics
Amazon.com: (2) Rockville SPGN128 12" Passive 1200W 8-Ohm DJ PA Speakers+Passive Sub+Stands : Musical Instruments