Walmart offers the Britelite iRocker 15" Powered Loud Speaker for $61.90 with free shipping. That's the lowest price we could find by $17, although we saw it for $4 less in December. Buy Now Features 1,500-watt peak output 15" woofer, 1" active tweeter Bluetooth FM radio 3.5mm auxiliary input USB SD card slot Model: XS-3000