The JBL VERTEC DP Series delivers superb audio quality with robust onboard power, and digital electronics perfectly matched to the enclosures. Co-developed with Harman Pro Group sister companies, Crown Audio and dbx Professional, these high-performance power modules with integral digital signal processing couple seamlessly with VERTEC loudspeakers. First products available in the VERTEC DP Series in May, 2005 were the VT4888DP 3-way midsize line array element and VT4882DP midsize subwoofer. The new compact VT4887ADP and VT4881ADP have been first shown at the prolIghting+sound tradeshow (MusikMesse) in Frankfurt, Germany, March 29th, 2006.