Check the listing for details. Mackie CR4-XBT Creative Reference 4" Multimedia Monitors with Bluetooth (Pair). Condition: New. Listed at 149.99 USD. Mackie CR4-XBT CR-X Series, 4-Inch Multimedia Monitors with Professional Studio-Quality Sound Pair with Bluetooth CR Series Creative Reference Multimedia Monitors offer studio-quality sound with cosmetics that complement any desk whether you’re making music, creating content, or just relaxing to your favorite tunes. The sleek design of CR-X features a brushed metal panel and a distinct outline that stands out. Available in a vast range of sizes from 3” to 8” with Bluetooth option plus an 8” subwoofer with Bluetooth, CR-X has the perfect match for your needs. Upgrade your listening experience with Mackie CR-X Creative Reference Multimedia Monitors. General Features: stream music from a smartphone or any other Bluetooth-enabled device Desktop monitor speakers with 4" drivers Convenient front-panel volume control and headphone output 4" Polypropylene-Coated Woofer HF Driver Size: 0.75" Tweeter Total Power: 50W Class AB All-Wood Cabinet Custom-Tuned Rear Port Specially Designed Waveguide Front-Panel Stereo Headphone Output Includes speaker cable, RCA-1/8" cable, and 1/8"-1/8" cable Power Configuration: Single Amp LF Driver Size: 4" Woofer LF Driver Type: Polypropylene-coated HF Driver Size:0.75" Tweeter HF Driver Type: Ferrofluid-cooled Silk-dome Frequency Response:70Hz-20kHz (-10dB) Crossover Frequency:3.0 kHz Maximum Peak SPL:100 dB SPL Input Types:1 x Dual RCA Stereo, 2 x 1/4" TRS, 1 x 1/8" Output Types: 1 x 1/8" (headphones), bare wire connectors +/- (connects pair) Enclosure Type: Rear Ported Enclosure Material: Solid MDF with Black Vinyl wrap Height:8.9" Width:6.1" Depth:8.3" Weight:10.1 lbs. What's in the CR4-XBT package? Desktop monitor speakers Speaker cable RCA to 1/8" cable 1/8" to 1/8" cable Quickstart guide CR4-X owner's Manual ⚠️Warning:Cancer and Reproductive Harm-www.P65Warnings.ca.gov