Amazon.com: Car Two Way Speaker System - Pro 4 Inch 140 Watt 4 Ohm Mid Tweeter Component Audio Sound Coaxial Speakers For Car Stereo w/ 20 Oz Magnet, 1.85” Mount Depth Fits
EDGELEC 100pcs 1 ohm Resistor 1/2w (0.5Watt) ±1% Tolerance Metal Film Fixed Resistor, Multiple Values of Resistance Optional: Amazon.com: Industrial & Scientific
uxcell 20 x 1/2W Watt 2 Ohm 2R Carbon Film Resistor 0.5W 55mm Length: Single Resistors: Amazon.com: Industrial & Scientific
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
uxcell Resistor 100W 8R Aluminum Housing Resistor 100 Watt 8 Ohm Gold Tone LED PCB Resistor Pack of 2 : Industrial & Scientific - Amazon.co.jp
Volt/Amp/Watt/Ohm - Calculator:Amazon.com:Appstore for Android
Amazon.com: Pyle Car Mid Bass Speaker System - Pro 5 Inch 200 Watt 4 Ohm Auto Mid-Bass Component Poly Woofer Audio Sound Speakers For Car Stereo w/ 30 Oz Magnet Structure, 2.2”
Volt/Amp/Watt/Ohm - Calculator:Amazon.com:Appstore for Android