Polk Audio DB 6502 DB+ Series 6-1/2" Component Speaker System — also fit 6-3/4" openings AudioQuest PEARL USB One 3-way in-ceiling speaker

One 3-way in-ceiling speaker

SVS Subwoofer DSP App: The SVS subwoofer smartphone app is a convenient to control and tune the PB-1000 Pro powered sub from your compatible smartphone or tablet device

3 MHz and MQA files via network connection

Digital audio inputs: 2 Toslink optical

MFR # Tune 310C

Polk Audio DB 6502 DB+ Series 6-1/2" Component Speaker System — also fit 6-3/4" openings AudioQuest PEARL USB One 3-way in-ceiling speakerPolk Audio DB 6502 DB+ Series 6 1 2" Component Speaker System also fit 6 3 4" openings Polk Audio DB6502 6. 5" 2 Way Component Speaker System for Car & Marine The Polk Audio DB5252 2 Way Speaker features a 6. 5" polypropylene woofer cone that also fit 6 3 4" openings with included brackets, and a separate 3 4" silk dome tweeter with external crossover to deliver smooth and precise sound. The speakers' Dynamic Balance technology uses laser imaging to