Behringer B2030P Ultra-Linear Reference Studio Monitor Pair Ultra-linear frequency response from 75 Hz to 21 kHz Long-throw 6 " woofer with special polypropylene diaphragm and deformation-resistant aluminum die-cast chassis Controlled dispersion characteristics and extremely large "sweet spot" through BEHRINGERs wave guide technology Magnetically shielded for placement near computer monitors Low-Vibration environment-friendly E1 MDF cabinet