Lanzar Car Audio Crossover, 3 Way Active Crossover, Low Pass Filter / High Pass Filter, Adjustable Crossover, RCA Jacks, DC 12 Volt with Remote Trigger, Car Electronics, Wireless Bluetooth (HTGX6BT) BLUETOOTH COMPATIBLE: This crossover audio product features built-in Bluetooth for wireless music streaming that works with all of your favorite devices INSTANT AUDIO TRANSMISSION: The car audio crossover gives you immediate and wire-free audio transmission to existing amps with RCA connectors FULL CONTROL OF SOUND: The Heritage Series crossover gives you complete control of your sound, customize with Lanzar's exclusive infinite 3-way crossover design, with a 2 and 3-way asymmetrical crossover VARIABLE FREQUENCIES: This 3-way crossover allows for low and high pass filters, adjustable bass shaper and subwoofer phase switches. As well it includes selectable low, mid-range and high pass crossover abilities ADDITIONAL FEATURES: The RCA audio crossover includes adjustable bass shaper, frequency multiplication, output levels, phase switch, parallel audio input switch, gold-plated RCA connectors and more