Sony’s WH-1000XM4 headphones drop to a new low of $130 for Prime Day EngadgetThe last-gen Sony WH-1000XM4 headphones are now a staggering $220 off (Update: sold out) The VergeHear That? That’s the Sound of the Best Early Prime Day Deals on Speakers PCMagOctober Prime Day 2024 Starts Tuesday—Here Are The 48 Best Early Deals You Can Get Right Now ForbesSony’s stellar XM4 noise-canceling headphones are 63% off for Prime Day Polygon