Amazon.com: 2 x 15 Subwoofer 2000W Single 4 Ohm Bass Pro Car Audio American Bass DX-15 : Electronics
Amazon.com: DS18 G1000.4D Car Amplifier GEN-X Full-Range Class D 4-Channel 1000 Watts Max Power 2/4 Ohm Stable, Bridgeable, High/Low Pass Filter - Small Compact Amp for Speakers in Car Audio System :
Amazon.com: Cylewet 2Pcs 2inch 4Ohm 10W Full Range Audio Speaker Stereo Woofer Loudspeaker for Arduino (Pack of 2) CYT1116 : Electronics
Amazon.com: 2 x 12 Subwoofer 1200W 2" 4 Ohm DVC Pro Car Audio American Bass XO-1244 : Electronics
Amazon.com: Marine Audio TX2-120 Watts x 2 @ 4 Ohm RMS Marine Compact Car Amplifier 2 Channel Built-in Car Bluetooth (Bluetooth Dongle is Optional Sold Separately) : Electronics
Amazon.com: Gravity 2X 6.5 Inch 600 Watt Car Audio Subwoofer w/ 4 Ohm DVC 6.5" Sub Pair - Feature Dual Voice Coil, Thick Magnet, Design for Car, ATV, Van, High Performance Car Show : Electronics
Amazon.com: Harmony Audio 2X HA-C104 Car Competition 10" Sub 2000W Dual 4 Ohm Subwoofer New : Electronics
Amazon.com: 2 x Polk Audio MM Series 12" Single 4-ohm Car Audio Sub woofer SVC 1,260 Watts : Electronics
Amazon.com: PRV AUDIO 2X 69MR500-4 Bullet Midrange 6x9 Speakers 500 Watts Program Power, 4 Ohm High Performance Pro Car Audio Loudspeaker with 1 Exclusive Lanyard (2 Speakers) : Electronics
Amazon.com: DS18 G4Xi GEN-X 4" 2-Way Coaxial Speakers 120 Watts Max Power 4- Ohm with Mylar Balanced Dome Tweeters - Full Range Car Replacement Speaker - Grill Included - 2 Speakers : Everything Else
Amazon.com: Gikfun 2" 4Ohm 3W Full Range Audio Speaker Stereo Woofer Loudspeaker for Arduino (Pack of 2pcs) EK1725 : Electronics
Amazon.com: Harmony Audio 2X HA-C124 Car Competition 12" Sub 2200W Dual 4 Ohm Subwoofer New : Electronics
Amazon.com: PRV AUDIO 2X 6MR250B-4 Slim Midrange 6.5" Shallow Bullet Speakers 250 Watts 4 Ohm, Slim Mount Car Audio Bullet Loudspeaker Compact for Doors with 1 Exclusive Lanyard (2 Speakers) : Electronics
Amazon.com: Planet Audio AC800.4 4 Channel Car Amplifier - 800 Watts, Full Range, Class A/B, 2-4 Ohm Stable, Mosfet Power Supply, Bridgeable : Electronics
Amazon.com: Timpano 1500 W Bundle with 2X 6.5 TPT-MR6-4 Bullet Midrange Speaker 500 Watts 4 Ohm + 2X TPT-ST2 3.5" 250 Watts Peak Super Tweeters for Car Audio Systems (2 Speakers, 2 tweeters) : Electronics
Amazon.com: Recoil REA600.4 1040 Watts Full-Range Class A/B 4-Channel Car Audio Amplifier, 2-3 Ohm Stable, Mosfet Power Supply, Bridgeable : Electronics
Xiaoyztan 2 Pcs Aluminum Shell Wirewound Resistors, 25W 4 Ohm: Amazon.com: Industrial & Scientific
Amazon.com: 2 x 15Watt 4 Ohm Class D Audio Amplifier : Electronics
Amazon.com: SounDigital 2400.4 EVOX 4 Ohm 4-Channel car Amplifier Power at 12.6V at 4 Ohms 4 X 396 WRMS (Renewed) : Electronics
Amazon.com: Planet Audio PL1600.4 4 Channel Car Amplifier - 1600 Watts, Full Range, Class A/B, 2/8 Ohm Stable, Mosfet Power Supply, Bridgeable : Electronics
Amazon.com: TORO TECH – RX2, 65 Watts x 2 RMS @ 4 Ohm / 2 Channel Car Amplifier, Sound Quality Class A/B Design, Built-in Auto Sensing Turn-On, Clip LED, Wide Range for
Amazon.com: DS18 G4.6Xi GEN-X 4x6 2-Way Coaxial Speakers 135 Watts Max Power 45 Watts RMS 4-Ohm Mylar Dome Tweeters with Neodymium Magnet - Clarity Unparalled by Other Speakers in Their Class -
Amazon.com: American Bass 10" Subwoofers Dual 4 Ohm 3000 Watts Max Car Audio Sub 2 Pack : Electronics
Amazon.com: Timpano Compact 4 Channel Amplifier Car Audio 500 Watt, 4 x 125 Watts at 2 Ohms, Mini Stereo 12 volts Full Range Class D Amp, Bridgeable Amplifier 4 Channels TPT-500.4 : Electronics
