The AURATONE C5A full-range reference studio monitor lets you hear what your mixes will sound like on real-world systems such as car stereos, computers, televisions, and other bass-challenged systems. The 6.5" cube contains its own dedicated 30-Watt Class-D power amp and a specially designed 5-1/4" full-range.Vintage-Style 30-Watt Active Full-Range Reference Studio Monitor