Niles CSF48P CSF48P/48" Passive Soundbar System Mounting System Allows For Ideal Placement Of LCR Speakers In Any Existing Stud Configuration. Self Contained Sealed Speaker Modules Cleverly Tuck Down And Into0 The Wall For Outstanding Performance In A Minimal Amount Of Space Magnetically Attached Paintable MicroPerf Grille Provides A Nearly Invisible Look. For Added Flexibility, The Passive CSF-48P Does Not Include An Amplifier Module, Allowing Integrators To Utilize Any Form Of Amplification. 10 year Warranty