MCRS-2BI
Do you want build 2 way active sound system? This is for you
High Quality Professional 2 Way Electronic Crossover For Active Bi-Amplification. 
High Quality Low Noise Op Amp
Low Freq. Range <250 Hz (Can customize by buyer request)
High Freq. Range >250 Hz (Can customize by buyer request)
On Board Voltage regulators
Assembled Board Ready to use!!!
If you need compact size model see here:
https://www.ebay.com/itm/174968956672
High quality Product and reliability PCB FR4 1.6MM
Stereo Buffered Input With HQ. Low Noise OP AMP
Stereo Amplified Output With HQ Low Noise OP AMP
24 db Filters with Low Noise Op-Amp
This item is only PCB with T.H or SMD combined components Assembled
Input & Output Connectors & Pins will supply
Working Voltage : 2X12-15Vac [AC 0 AC] (Need small center tap 200mA ac transformer)
Filters Frequency Can customize by buyer request
Standard Cut Freq.:
Low 250Hz 24db
High 250Hz 24db
Max. Output Level: +22dbu (9.8V @ 1.6V Input Signal) 
Output Level at 0dbu Input: +15dbu (4.4V)
Level Control: Volume for each Output
PCB Size: W65mm*L100mm double-sided HAL,FR4 1.6MM
Potentiometer Gap: 30mm (Center to Center)
ApplicationsDIY Home Active System Power Amplifier / Speakers