Amazon.com: Aexit 10W Watt Fixed Resistors 4 Ohm 5% Ceramic Cement Power Single Resistors Resistor x5pcs : Industrial & Scientific
Amazon.com: 4" REPLACEMENT SPEAKER WITH DUAL CONE, 8OZ MAGNET 10 WATTS @ 8 OHMS : Electronics
CT Sounds MESO-8-D4 1600 Watts Max 8 Inch Car Subwoofer Dual 4 Ohm
Amazon.com: BOSS Audio Systems MC900B Amplifier for ATV UTV Car Marine - 500 High Output, 4 Channel, 2/4 Ohm, Bluetooth Multi-Function Remote, RCA Out, Weatherproof, Use Amp with Stereo and Subwoofer, Crossover : Electronics
Amazon.com: MTX TN10-04 10-Inch Single 4-OHM Subwoofer 150-Watt RMS : Electronics
CQRobot Speaker 3 Watt 4 Ohm Compatible with Arduino Motherboard, 2.54mm Dupont Interface. It is Ideal for a Variety of Small Electronic Projects.
Amazon.com: Eminence Legend CA154 15" Bass Guitar Speaker, 300 Watts at 4 Ohms, Black : Musical Instruments
Amazon.com: Audiobank 2X AB-790 6x9 -Inches 1000 Watts Peak Power for Pair and 300 Watt RMS Power 4-Way Car Audio Stereo Coaxial Speakers with 4 Ohm Ohm Impedance / 93dB/1w/1m : Electronics
Amazon.com: BLAUPUNKT GTX620 6.5" 2-Way Coaxial Car Speakers 300 Watts 4 Ohm : Electronics
Genius GPRO-M1065 6.5" 300 Watts-Max Midrange Marathon Series Car Audio Speaker 4-Ohms : Amazon.com.au: Electronics
Skar Audio FSX65-4 6.5" 300 Watt 4 Ohm Pro Audio Midrange Loudspeaker, Each
Amazon.com: Alpine X-W10D4 Car Audio Type X Dual 4 Ohm 1800 Watt 10" Subwoofers with Sub Install Kit Package : Electronics
2) Skar Audio FSX8-4 350-Watt 8-Inch 4 Ohm MID-Range Loudspeakers - 2 Speakers
Amazon.com: MTX 3512-04 12" 500 Watt SVC 4-ohm Car Audio Subwoofer+Amplifier+Amp Wire Kit : 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) : Electronics
Amazon.com: MakerHawk 2PCS 4 Ohm 3 Watt Speaker for A rduino Single Cavity Mini Speaker Full-Range Cavity Mobile Portable Advertising Machine Speaker with 11mm Line Length JST-PH2.0mm-2 pin Terminal : Electronics
Amazon.com: Taramps HD 3000 4 Ohms Class D Full Range Mono Amplifier : Electronics
Amazon.com: PRV AUDIO 6MB100-4 Pair of 6.5 Inch Midbass Speaker for Pro Car Audio, 4 Ohm, 50 Watts RMS Power, 200 Watts Max Power Mid Bass Factory Replacement Loudspeaker (Pair) : Electronics
Amazon.com: CT Sounds STRATO-10-D4 2500 Watts Max 10 Inch Car Subwoofer Dual 4 Ohm : Everything Else
Amazon.com: CT Sounds OZONE-10-D4 1600 Watts Car Subwoofer Dual 4 Ohm : Electronics
Amazon.com: Rockford Fosgate R2D4-12 Prime R2 DVC 4 Ohm 12-Inch 250 Watts RMS 500 Watts Peak Subwoofer : Everything Else
5pcs 4 ohm 4RΩJ 10 watt Axial Ceramic Cement Power Resistor 10W: Amazon.com: Industrial & Scientific
New Pair SSL SS12 12" 800 Watt Car Audio Subwoofer 4 Ohm SVC 400W RMS Sub
Amazon.com: Rockford Fosgate R2D4-10 Prime 4-Ohm DVC 10” Subwoofer 250 Watts RMS / 500 Watts Max : Electronics
