Eight Audio - EASC01 - Active Sub-Woofer Filter with Phase, Gain & Freq. Adj.
Low Pass Filter, Low Pass Filter For Sub Woofer, Subwoofer Amp Kit, Sub Pre Amp Kit at Rs 149/piece | Pre Amplifier Training Kit in Durgapur | ID: 22510434648
Low Pass Filter Bass Subwoofer Preamp Amplifier Board Single Power DC 9-32V Preamplifier with Bass