Polk Audio DB522 DB+ Series 5.25 Coaxial Speakers with Marine Certification JBLQUANTUMTWS the Polk Audio Vanishing Series

the Polk Audio Vanishing Series in-wall center-channel loudspeaker offers a one-cut

Up / Down: 1-9/16"

TUK’s active crossover filters out frequencies below 80Hz and sends them directly to a connected subwoofer

JVC Streaming DJ lets you pair up to 5 smartphones via Bluetooth - Does not play CDs

"Smart Ambient" mode lets you hear external sounds without removing headphones

Polk Audio DB522 DB+ Series 5.25 Coaxial Speakers with Marine Certification JBLQUANTUMTWS the Polk Audio Vanishing SeriesDynamic Balance: Dynamic Balance is a proprietary Polk Audio technology using laser imaging to determine what combination of speaker materials create the least amount of resonance. Eliminating resonance in speakers results in a wide, smooth response and low distortion. Marine Certification: Polk speakers are marine certified, making them a good choice for boats in fresh water, convertibles, motorcycles, ATVs, and other applications where the speaker