The JBL's J104 compact, full-range, powered reference monitors produce the most true-to-life, accurate sound of any monitor in their class. This powered speaker combines powerful 4.5-inch (118 mm) low-frequency drivers with coaxial.75-inch (19 mm) soft-dome tweeters, potent 60-watt amplification, and innovative acoustic design to provide exceptional imaging, neutral frequency response, and crisp detail in our smallest, most affordable reference monitor yet, making them ideal for home recording enthusiasts, podcasters, and video producers, as well as professionals seeking accurate portable reference monitors.