Newegg offers the Polk Audio PSW Series 12" 300-watt Powered Subwoofer
in Black, model no. PSW505, bundled with the JBL J22A In-Ear Headphones
in Black for $179.99
with free shipping
. That's $65 under the lowest total price we could find for these items sold separately elsewhere. The subwoofer features a frequency response of 23Hz to 160Hz, magnetic shielding, volume control, an automatic on/off switch, phase switch, and adjustable crossover. The Android-compatible headphones feature a microphone and in-line controls.