MHL-2 
Stereo Variable Low/High Pass Electronic Crossover 
Can Be Great solution for Bi Amplification
On Board Low Pass Full High Pass Switch
Variable Low 45-150Hz
Variable High 60-460Hz
Output Volume Control
Low Noise Buffered Input IC
On Board DC Voltage Regulators
On Board 2X15Vdc 50mA AUX Output

2 Order Option:
1.PCB with components Assembled Ready to Use
2.DIY KIT You need to Place and solder all the components
 High quality Product and reliability FR4 1.6MM PCB
Stereo Input To Stereo Output

Power Supply Input : 2X9-15Vac (Small AC Transformer)
Current Consumption: 12mA
PCB Size: 100mm*51mm double-sided HAL,FR4 1.6MM
Potentiometer Gap: 30mm (Center to Center)