The AMP-20540 contains four transconductance, PMW amplifiers on a single 6.92-by-4.85 inch board that attaches directly to the 96-pin DIN connector of the DMC-2143 four-axis controller, without the need for cable or wiring. The AMP-20540 is priced at 95 each in 100-unit quantities. When combined with the DMC-2143, priced at 95 in like quantities, the combined amplifier/controller price per axis comes to less than 25.