The KRK V6S4 Studio Monitor is a 6.5-inch bi-amplified active studio monitor featuring a 6.5-inch custom woven Kevlar woofer and a 1-inch custom Kevlar tweeter. At the heart of the KRK V6S4 is a high-quality bi-amped Class-D amplifier that delivers exceptional transient speed ranging up to 115 dB of SPL. This two-way full-range studio monitor is designed to provide incredible accuracy and rich sound ideal for mixing & mastering applications. A front-firing bass reflex port is also included for improved low-end response delivering extra punch in the bass section. One of the most unique features if the 49 DSP driven EQ presets that provide superior control for room correction.