Lowell WB4


Lowell grille Model WB-4 is the industry standard when it comes to steel ceiling grilles for 4" loudspeakers. Its clean, contoured edge appearance and economical cost makes it popular for installation in offices, hotels, schools, airports, medical, retail, and commercial facilities all over the world. Grille is precision formed from a single piece of 20- gauge steel with a punched center and beveled edge for attractive ceiling installation. Model WB-4 features four 8-32 x 3/4" welded studs with palnuts for concealed mounting of a standard 4” (EIA 5”) speaker. It is additionally equipped with four white 8-32 x 1-1/2" Phillips-head screws for attaching the speaker-grille assembly to the backbox or mounting ring. 


  • Speaker Size:  4"
  • Grille Size:  7.25" Dia.
  • Mounting Provisions:  4 studs + 4 screws
  • Material:  Steel
  • Color:  White

Click to download

Add to Cart

We're sorry, only of this item available

Call a Sales Pro at for more information

Serving Contractors, Dealers, and Installers Since 1977

Contact: 1-800-828-0509 / Hours: Mon - Fri 7:00AM - 7:00PM