Compare Car Audio Deals

Audiosavings via Walmart offers the Rockville USS8 8" Slim Under-Seat Active Powered Car/Truck Subwoofer for $99.95 with free shipping. (Rockville charges the same.) That's the lowest price we could find by $8. It features 150-watt RMS power output (600-watt peak), 15Hz to 125Hz frequency response, and 3-ohms impedance.

Happy Tao via Amazon offers the Masione Wireless FM Radio Transmitter Car Kit for $12.99. Coupon code "YIAVNMWX" cuts it to $6.99. (Eshop-Best via eBay charges the same.) Plus, Prime members bag free shipping. That's tied with our May mention as the lowest price we've seen. (It's the best deal now by $6, excluding other Amazon vendors.) It transmits music from your smartphone or audio device to an FM radio via 3.5mm jack. Features include a USB charging port and hands-free calling.

VMInnovations offers the refurbished Kicker CompS 12" Enclosed Car Subwoofer for $117.95. Coupon code "DEALNEWS" cuts that to $112.05. With free shipping, that's $18 under the lowest price we could find for a new unit. It features 50- to 300-watt RMS power (600-watt peak), 27Hz to 500Hz frequency response, and 4-ohms impedance.

Note: A 90-day warranty is included, but it's unclear who backs it.