Check the listing for details. Crossover PCB for the Morel Ardon Bookshelf Speaker Kit. Condition: New. Listed at 12.00 USD. Custom printed circuit board designed for the crossover of the Morel Ardon Premium 2-Way MT Bookshelf Speaker Kit sold by Parts Express. Take the guesswork out of crossover assembly, these boards make the assembly process quick and straightforward. This board measures 5.2" x 4" and features large solder pads and copper traces for great electrical connectivity Includes: 1x Crossover PCB for the Morel Ardon speaker kit. 3x 2-pin terminal blocks which accept up to 12 gauge wire. (Terminal blocks are modular and slide together, two terminal blocks should be combined for the LF & HF outputs.) 4x Snap in PCB standoffs. 4x Mounting screws (screw finish may vary). Requires: Crossover components for the Morel Ardon speaker kit. Compatible components designed to fit on this PCB, (others may work just compare the component dimensions): C1 - 5.6uF - Dayton Audio PMPC-5.6 250V Precision Audio Capacitor C2 - 4.7uF - Dayton Audio PMPC-4.7 250V Precision Audio Capacitor C3 - 12uF - Dayton Audio PMPC-12 250V Precision Audio Capacitor L1 - 0.40mH - Dayton Audio AC20-40 0.40mH 20 AWG Air Core L2 - 1.0mH - Dayton Audio LW141 1.0mH 14 AWG Air Core Perfect Layer Inductor R1 - 4.7 Ohm - Dayton Audio DPR20-4.7 20 Watt Precision 1% Audio Grade Resistor Assembly: Glue components to the correct positions on the board (hot melt glue works great). Secure inductors with non metallic cable ties. Solder components leads to the pads on the bottom of the board. Attach wires from input and drivers and mount crossover board.