Upgraded 3-Way Electronic Audio Crossover - Network Hi-Pass and Low-Pass Channel 12dB Octave Slope Power LED Indicator w/Remote Subwoofer Control and Parallel Input Switch - Lanzar Vibe VIBEX6 AUDIO CROSSOVER: Lanzar Vibe 3 way electronic crossover network features hi-pass and low-pass crossover. Hi-pass crossover has 32Hz - 800 kHz frequency response for front and rear channels. Low-pass crossover has 50Hz - 160 kHz for subwoofer channel POWER LED INDICATOR: This indicator will light up when switching power supply is activated, and the unit is operational. Also, pack with remote subwoofer level control and parallel input switch, mixed in/out switch SUBWOOFER FREQUENCY CONTROL: The Vibe X6 crossover network series gives you complete control of your sound with the stereo or mono switch. The subwoofer channel between 50 hz and 160 hz is for the selection of the low-pass crossover frequency 12dB OCTAVE SLOPE: Your amplifier needs to be in order to make your speakers work their best. Lanzar Vibe X6 series has an exceptional 12dB per octave crossover slope to complete the package SIZE: Lanzar upgraded audio crossover that measures 7.5''H x 7''W x 1.4''D. The X10 frequency multiplier for front channel, 40Hz - 120 kHz variable bass frequency provides full range and control of the speakers performance