About 40 hrs use. Excellent monitors The FOCAL Alpha 65 Evo active studio monitors are a pair of high-quality studio monitors designed for professional audio work. With a range of audio inputs including RCA, TRS, and XLR, these monitors offer excellent connectivity for a variety of setups. The active feature ensures powerful and accurate sound reproduction, making them ideal for mixing and mastering audio projects. Built by the renowned brand Focal, these studio monitors deliver top-notch performance for any audio professional.