New Powersoft IPAL compatible 18" and 21" subwoofers
Altavoz B & C de alta potencia neo, bobina de 18 pulgadas y 115mm, 18 IPAL, 2 Ohmios, graves medios potentes, subwoofers - AliExpress
B&C Speakers RCK21IPAL 21 IPAL Low Frequency Driver Service Kit Repair Pro Audio Component Speaker Driver for Motorcycle Car Audio : Electronics - Amazon.com