Mackie CR4-XBT Creative Reference Series 4" Multimedia Monitors w/ Bluetooth 7" and uses a locking

7" and uses a locking thumbscrew for safe and quick lock and release

Input Voltage: 12V ± 4

The zinc coated metal u-bolt accommodates rails in diameter from 0

Amazon Fire 7

live streaming

Mackie CR4-XBT Creative Reference Series 4" Multimedia Monitors w/ Bluetooth 7" and uses a lockinghe Mackie CR4 XBT is a pair of Bluetooth enabled 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 XBT 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