With promo code “EONONGPS2026” (applies automatically) and promo code “LABORDAY20”, this Eonon Android 14 car stereo drops to $155, down from $309. It’s a direct-fit upgrade for a range of Chevrolet, GMC, Buick, and Hummer models, adding wireless Apple CarPlay and Android Auto, built-in GPS navigation, and a DSP-powered 4x45W amplifier to the factory dashboard. Shipping is free. Coupon ends September 7. Buy Now at eBay