Compare Car Audio Deals

Designed for RVs, boats, and marine environments, these Jensen coaxial speakers are built to handle moisture and UV exposure that would degrade standard car or home speakers. A solid pick if you're outfitting a vehicle or outdoor setup where weather resistance matters more than audiophile-grade sound. Buy Now at Newegg

Designed for boats and other marine environments, this stereo system is built to handle moisture and weather exposure that would damage a standard head unit, making it a straightforward upgrade for anyone outfitting a vessel with audio. Buy Now at Newegg

Plugs into your car's 12V outlet and streams audio from your phone to any FM station on your radio, which is a low-cost way to add wireless audio to an older vehicle without a built-in Bluetooth system. At $11, that's about $1 off the list price. Buy Now at Walmart

A 4-way ANL fuse block like this suits car audio builds, marine setups, or any 12V wiring project where you need to distribute power from a single source to multiple runs while keeping each one individually fused. At $45, that's about $7 off the $52 list price. Buy Now at Home Depot