Mark your calendars for October 8th and 9th, 2024, as Amazon Prime Big Day kicks off with massive discounts on audio gear. This year’s event brings exclusive deals on subwoofers and portable speakers, perfect for enhancing your home theater or outdoor adventures. From Polk Audio to Sonos, here’s a breakdown of the best deals you don’t want to miss. Table of Contents1. Polk Audio Reserve Series R400 Large Center Channel Loudspeaker: 30% Off @Amazon2. IPX7…