Amazon.com: Dahszhi Dahszhi100W Watt 4 Ohm Wirewound Chassis Resistors Aluminum Resistors - 2pcs : Industrial & Scientific
Genius GPRO-M1065 6.5" 300 Watts-Max Midrange Marathon Series Car Audio Speaker 4-Ohms : Amazon.com.au: Electronics
Amazon.com: Alpine X-W10D4 Car Audio Type X Dual 4 Ohm 1800 Watt 10" Subwoofers with Sub Install Kit Package : Electronics
Amazon.com: BLAUPUNKT GTX620 6.5" 2-Way Coaxial Car Speakers 300 Watts 4 Ohm : Electronics
Amazon.com: Gravity 15 Inch 1600 Watt Car Audio Subwoofer w/ 4 Ohm DVC Power (Single) : Electronics
Amazon.com: Aexit 10W Watt Fixed Resistors 4 Ohm 5% Ceramic Cement Power Single Resistors Resistor x5pcs : Industrial & Scientific
Amazon.com: Cadence Q75T 1 Inch Hybrid Tweeters, 200 Watts Max Power, 4 Ohm, 100 Watts RMS Car Audio, Pair : 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: Skar Audio SDR-12 D4 12" 1200 Watt Max Power Dual 4 Ohm Car Subwoofer : Electronics
5pcs 4 ohm 4RΩJ 10 watt Axial Ceramic Cement Power Resistor 10W: Amazon.com: Industrial & Scientific
Amazon.com: Pyle Home Marine Car Amplifier - 4-Channel Compact 400 Watt RMS 4 OHM Full Range Monoblock Stereo & Waterproof - Wireless Bluetooth Receiver Audio Speaker w/ LCD Digital Screen (PFMRA450BW) : Electronics
Amazon.com: Rockford Fosgate R2D4-10 Prime 4-Ohm DVC 10” Subwoofer 250 Watts RMS / 500 Watts Max : Electronics
Amazon.com: PyleUsa Two-Way Component Speaker System - One Pair 6.5'' Two-Way Component Kit, 360 Watts w/ 4 Ohm Impedance and 1'' High-Temperature ASV Voice Coil (Pair) - PL650CBL : Everything Else
Amazon.com: Genius Audio GFX-55X4 Full Range Powered Car Amplifier Multichannel 1200 Watts Max Class AB 2-Ohm Stable with Power Protection System to Boost Speaker and Woofer Performance : Electronics
Amazon.com: CT Sounds OZONE-10-D4 1600 Watts Car Subwoofer Dual 4 Ohm : Electronics
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
CT Sounds MESO-8-D4 1600 Watts Max 8 Inch Car Subwoofer Dual 4 Ohm
Amazon.com: Rockville RSG15.4 15" 3-Way 1500 Watt 4-Ohm Passive DJ/Pro Audio PA Speaker : Musical Instruments
Amazon.com: CT Sounds STRATO-10-D4 2500 Watts Max 10 Inch Car Subwoofer Dual 4 Ohm : Everything Else
Amazon.com: Planet Audio AC1200.4 4 Channel Car Amplifier - 1200 Watts, Full Range, Class A/B, 2-4 Ohm Stable, Mosfet Power Supply, Bridgeable : 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
2) Skar Audio FSX8-4 350-Watt 8-Inch 4 Ohm MID-Range Loudspeakers - 2 Speakers
Amazon.com: Taramps HD 3000 4 Ohms Class D Full Range Mono Amplifier : Electronics
Amazon.com: Eminence Legend CA154 15" Bass Guitar Speaker, 300 Watts at 4 Ohms, Black : Musical Instruments
