Audio Speaker Crossover Circuit Board With Inductors, Capacitors

Inductors: A large, prominent copper wire-wound inductor wrapped around a rectangular metal core is secured with zip-ties at the top. A smaller, cylindrical copper coil inductor sits near the bottom left corner.Capacitors: Three bright red cylindrical film capacitors branded with gold "SPIRIT" lettering are placed in the middle section. Two are oriented horizontally (MKP 4.7μF visible on one), and one is oriented vertically on the left (MKP 2.2μF).Resistors: Two long, white rectangular ceramic cement power resistors are placed horizontally near the bottom right. They are labeled "OULE 30W2R2J" and "OULE 30W20RJ".Heatsink: A small, golden-aluminum finned heatsink is mounted near the bottom edge.