Sir, may amp is Sakura AV-730 4-8ohms, 2 daichi horn tweeter 200watts, 2 crown 120watts midrange, temporary may woofer ako nakakabit na, papalitan ko ng subwoofer at least 200watts RMS(targa 12inch) or 300 watts RMS 4ohms(JBL GT5 S12). maganda kc yung subwoofer iba kc ang bass talagang solve ka. thank sa advised sir, ibig sahihin sir yung dividing network wala particular ohms na kailangan basta match yung subwoofer sa amplifier? tama po ba. thanks sir