Eminence Professional Series crossovers are technically superior passive filters available in board-only or cabinet ready configurations. Our high-pass protection circuits center around custom manufactured aerospace lamps, working as positive temperature coefficient series varistors to protect your HF device without introducing distortion. From low-pass and high-pass filters, to two-way and three-way units with multiple crossover point options, and L-PADs for more custom HF level control, there is an Eminence crossover solution to meet your needs.