Acoustic Audio HD-S10 in Wall 10" Home Theater Passive Subwoofer Speaker and Amplifier FURNITURE it is chargeable fan so

it is chargeable fan so you don’t always have to have it plugged in

such as League of Legends

POLK'S PATENTED POWER PORT TECHNOLOGY delivers deeper bass response with its turbulence smoothing diffuser that transitions air flow from the speaker into your listening area minimizing any kind of distortion & delivering rich full range sound everywhere

which will last more than 1 year for normal house cleaning

Acoustic Audio HD-S10 in Wall 10" Home Theater Passive Subwoofer Speaker and Amplifier FURNITURE it is chargeable fan soAcoustic Audio HD S10 passive in wall sub speaker, recommended power is 20 300 watts, frequency response is 26Hz 200Hz, efficiency is 98dB, 8ohm, spring loaded speaker wire terminals 10" woofer, woven fiber bulletproof cone, butyl rubber surround for increased performance, paintable frame and grill, low profile housing, instructions included Integrated wall lock mounting system, cut out template included, cut out is 10. 625" x 10. 625", overall is 12"