The TRUTH B2031A is the substantially improved successor to best-selling B2031. It is a high-resolution, active 2-way reference studio monitor with XLR and 1/4in TRS servo balanced inputs that delivers very neutral sound and has an extremely flat frequency response (50 Hz - 21 kHz). It includes built-in 150- and 75-Watt power amps with enormous power reserve plus separately controlled limiters for low and high frequency overload protection.Tight, deep bass is provided by a long-throw 8 3/4in woo