Audiotek High Performance 600 Watts Maximum Power CX4 2 Way 4 Ohm Car Audio Passive Crossover Networks High/Low Frequency Response 35000 hZ Crossover Response (2 Pack) Audio crossovers are a kind of electronic channel hardware utilized in a scope of sound applications. They split up a sound sign into at least two recurrence ranges, so the signs can be sent to amplifier drivers that are intended for various recurrence ranges. The Audiotek CX4 is outstanding amongst another uninvolved vehicle sound crossover you can purchase. This thing is housed in a steel packaging with a base made of transparent plexiglass permitting a perspective on the internal parts. Its little and smaller enough to fit into a type of niche and crevice in many vehicles. To enjoy good music in your car you must install good devices. You can trust this cross over like every Audiotek devices. Here are some features of this products: -2 Pack of 2-Way Crossover Car Audio Passive Crossover Networks -High and Low Frequency Response -Max Power: 600W -Frequency Crossover: 3.5kHz We are getting incredibly good response and feedback from user of Audiotek products.