MB Quart XK2-169 6x9" 2-Way Coaxial Speakers Subwoofer Boxes & Enclosures so it requires a receiver

so it requires a receiver or monitor with a compatible HD camera input

Four-Channel Power: Supplies 50W RMS x 4 at 4 ohms

Adjustable input sensitivity

20-Foot Length: Provides 6

MB Quart XK2-169 6x9" 2-Way Coaxial Speakers Subwoofer Boxes & Enclosures so it requires a receiverThe MB Quart XK2 169 is a pair of 6x9 inch, 2 way coaxial car speakers intended for upgrading compatible factory or aftermarket vehicle speaker locations. It combines the woofer and high frequency drivers into each speaker assembly, providing a space efficient full range replacement option. The published 150 watt RMS and 300 watt peak power ratings apply per pair. These speakers are suited to listeners who want to replace worn factory 6x9 inch