Newegg offers the Polk Audio 50-watt 10" Powered Subwoofer in Black, model no. PSW10, bundled with the Polk Audio UltraFit 1000 Sports In-Ear Headphones in Black/Red, model no. AM1110-A, for $99.99 with free shipping. That's $26 under the lowest total price we could find for these items purchased separately elsewhere. The woofer features a medium-density fiberboard enclosure, frequency response of 35Hz to 200kHz, and line-level and speaker-level inputs. The water-resistant headphones feature an 18Hz to 23kHz frequency response, 14.2mm drivers, 41" cable with 3-button in-line remote control and microphone, 14" tangle-free cable, three pairs of StayFit silicone ear tips, and shirt clip.