Compact in size, the R980T is an efficient bookshelf solution for desktops and small spaces. Producing a total 24 watts of sound (12W RMS each), the R980T are the perfect well-rounded stereo speaker. Each speaker contains a 4-inch bass driver and 13mm tweeter that clearly replicates enjoyable sound for listeners. The powered amplified bookshelf speakers conveniently connect to any device that has a 3.5mm headphone output or dual RCA output. Connect to two devices via AUX at the same time, no plugging and switching needed. Any audiophile�s desire to have a proper studio setup will be fulfilled with the R980T powered bookshelf speakers. The sound produced from Edifier�s R980T satisfies any detail oriented reviewer; its hailed for being vibrant and alive filling the room with rich sensations. These amplified bookshelf speakers exemplify the idea of big things coming in small packages.