For maximum clarity, Behringer's Studio 50USB Monitor Speakers are bi-amped with 150 watts, with the long-throw, Kevlar-cone 5" woofer and a 1" silk dome tweeter each driven by its own amplifier. ... These monitors feature XLR and TRS inputs, plus a USB input that lets you directly connect with digital audio sources.

Ultra-linear 2-way digital monitor speakers ideally suited for studios and multimedia workstations
True bi-amping mode with 4 amplifiers for ultimate sound resolution
150 Watt of digital power amplification
Ultra-high resolution 1" silk dome tweeter for ultimate sound reproduction
Long-throw 5" woofers with deformation-resistant Kevlar cone for ultimate bass response
Ultimate dispersion characteristics and extremely large "sweet spot" owing to advanced waveguide technology
Adjustable volume control and tweeter sensitivity to adapt to a wide range of acoustic conditions
USB input for direct connection of your digital audio sources
Two analog inputs featuring XLR and TRS connectors can be used simultaneously with a digital stereo source
Magnetically shielded for placement near computer monitors
High-quality components and exceptionally rugged construction ensure long life