Walmart offers the XO Vision Automotive Digital Media Receiver, model no. XD103, for $14.48. Choose in-store pickup to dodge the $4.97 shipping fee. That's $5 under our January mention and the lowest price we could find by $8. This MP3 stereo receiver features 80 watts of maximum power, a USB port, SD card slot, FM tuner with 18 presets, and auxiliary port.