Amazon.com: PRV AUDIO 6.5 Inch Midrange Speaker 6MR500-NDY-4, 500 Watts Max Power, 4 Ohm, 2 in Voice Coil, 250 Watts RMS, Neodymium Magnet, Smooth Full Range Response Through 13kHz for Car Audio
Amazon.com: Taramps TL-500 2x50 Watts-RMS Mini Compact Car Amplifier Full Range 2-Channels Class-D 2-ohm Stable : Electronics
Amazon.com: Taramp's Bass 3K - 1 Channel 3000 Watts RMS Ohm Car Amplifier, Black, white : Electronics
RMS Amazon (1906) - Wikipedia
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: PRV AUDIO TW700Ti-CR Super Tweeter, 4" Titanium Bullet Super Tweeter 8 Ohm Chrome, 1.5" VC Pro Audio High Frequency Driver, 107dB 120 Watts RMS, Built-in Polyester Capacitor (Single) : Everything Else
Amazon.com: Starfavor Passive Bookshelf Speakers Pair, 2-Way Home Stereo Speakers 50 watts RMS, 100 watts Peak Power, 4 inch Wired Audio Speakers for Home Theater -P4 : Electronics
Amazon.com: Alphasonik ALPHA1K Alpha Series 1000 Watts RMS Monoblock Car Amp with 4-Way Protection Circuitry Full Range Class D Amplifier Extruded Aluminum Heatsink 1-Ohm Stable (Remote Bass Knob Included) : Everything Else
Amazon.com: Massive Audio SUMMO84XL - 8 Inch Car Audio Subwoofer, High Performance Subwoofer for Cars, Trucks, Jeeps - 8" Subwoofer 300 Watt RMS, 600w MAX Dual 4 Ohm, 2 Inch Voice Coil. Sold Individually : Electronics
Amazon.com: Yamaha NSIC800WH 140-Watts 2-Way RMS Speaker - White (Bundle of 4 + Amazon Basics Speaker Wire) : Electronics