STX Audio STX851A Digital Bass Processor 4x6 Inch Speakers allowing the system to be

allowing the system to be tuned toward a more balanced sound rather than relying only on a source unit's basic tone controls

or other compatible unbalanced 1/4-inch TS input

Nomex And Silk Cone: Uses the specified cone materials for responsive everyday music playback

and double-Neodymium magnetic group in a compact tweeter assembly

STX Audio STX851A Digital Bass Processor 4x6 Inch Speakers allowing the system to beThe STX Audio STX851A is a car audio digital bass processor designed to restore and shape low frequency content before it reaches an amplifier or crossover. It is intended for systems that need more control over bass character than a standard head unit tone control can provide. The processor works with RCA signal connections and can be used in factory integrated or aftermarket audio systems. Its digital bass restoration circuit is designed to