The Mackie CR4-X is a pair of Creative Reference Series 4" Multimedia Monitors offering a compact solution for quality audio playback in home studios and gaming setups. With 50W of amplification driving 4" woofers and 0.75" tweeters, the CR4-X monitors work well, whether you're creating content or casually enjoying some tunes. The pair consists of one passive speaker and one powered speaker that connect with an included speaker cable. Each monitor incorporates a custom-tuned rear port to smoothly extend the low end and a specially designed waveguide for clarity and proper dispersion of high frequencies. With plenty of I/O provided, the CR4-X can accept a feed from your audio interface, computer soundcard, or mobile device while pumping out your mix to the drivers or your favorite headphones. The CR4-X features a download for ProTools | First and The Musician's Collection plug-in package including 23 high-quality plug-ins with BBD Delay, Eleven Lite, the 304E EQ, and the 304C Compressor. Specifications: Power Configuration: Single Amp. LF Driver Type: Polypropylene-coated. HF Driver Type: Ferrofluid-cooled Silk-dome. Total Power: 50W. Frequency Range: 60Hz-20kHz. Enclosure Type: Rear Ported