JL Audio HO Wedge HO112R-W7AE - Ported Subwoofer Enclosure MicroSub Internal Channel Summing – For

Internal Channel Summing – For interfacing with factory installed amplifiers with built-in crossovers

it means Dynaudio has been able to remove the impedance correction circuitry for an even simpler board

Continuous Power Handling: 70 Watts

Hegel C54 - User Manual (PDF)

JL Audio HO Wedge HO112R-W7AE - Ported Subwoofer Enclosure MicroSub Internal Channel Summing – ForJL Audio's patented High Output Enclosures are designed to deliver the ultimate high performance bass experience with a rare combination of superb sound quality and awesome output. JL Audio's patented, chamber coupled port design (U. S. patent #6,625,292) wraps around the inner enclosure boundary and terminates just above the woofer, coupling the port output to the woofer's direct output. This also provides the necessary surface area and port length