jp33Supplier Network. JIP33 suppliers are a critical stakeholder for the whole industry to engage and maintain an efficient working relationship to deliver preferred outcomes, meet budget specifications, and create quality specifications thatMeet the Down4Sound JP33, a monoblock amplifier that doesn’t just stop at 3300W RMS—it goes beyond. This isn’t your run-of-the-mill 3000W amp; it’s a powerhouse desned for bass