Phase Technology CI20X MP The A2 subwoofer amplifier is

The A2 subwoofer amplifier is designed to integrate with audio and video pre-amplifiers and receivers that have their own built-in low-frequency crossover circuits

Separate tool-free magnetic grille and bezel assembly for ease of install and in-field painting

87 inch (47

Square grilles are also available for all CI-X in-ceiling models

Phase Technology CI20X MP The A2 subwoofer amplifier isPhaseTech CI20X Ceiling Speaker Master Pack (4 Units) 6. 5 inch 2 Way In Wall Speaker With Micro Flange Grille. The CI20X offers a premium full range speaker at a lower cost than comparable speakers. This versatile, high performance in wall speaker can be used in left, right, center, and surround applications. A pivoting tweeter can be used to direct high frequencies to your listening area. The grille can be painted to match any room color. The CI20X