Jamo/Klipsch FRB6 Fire Rated New Construction Back Box (Hole Size: 11.5" x 7.8") Salt Lake City , UT | 12 Days 167 6 $5.00 Description Jamo/Klipsch FRB6 Fire Rated Back Box I am happy to answer questions, if I can, about this product that are not contained in the ad description or revealed by a simple internet search. KSL Classifieds is a Cash Only Local Pickup Forum. No Cashier’s Checks will be Accepted! Cash and Venmo Payment Only. Thank You for your Interest and Attention! What is a Back Box? It is an enclosure that you install between you studs and prewire your speaker cables into it. Your sheet rockers cut the drywall around your speaker opening so that you don't have to. When you install your speakers the cable is right there and you don't have to dig for it in your finished wall. Your speakers are Acousticly Matched and sound better becaused this space is Acoustic Enhanced. $5 each in 20 or more quantity. See quantity pricing. Quantity pricing 1-2 Units $15.00, 3-9 units $12.50 ea, 10-19 Units $10..00 ea, 20+ Units $5. ea BRAND NEW...NEVER USED...STILL IN BOX! PLEASE SEE PHOTOS! These sell for $50 online and in stores. BRAND NEW...NEVER USED ...STILL IN BOX! ASK ME ABOUT THE FULL WARRANTY ON THIS PRODUCT Picture number 4 shows back box with Jamo 6.5 inch speaker setting inside of it. Fire rated back box Hole Size: 11.5" x 7.8" Product dimensions (HxWxD): 18" x 17.75" x 3.5" Designed to work with Jamo 661K4, 660A2, 660CS, I/O 660Aand most 6,5"' Wall Speakers Every Jamo back box exceeds the one-hour fire rating specifications and meet UL2043 requirements for installation into plenum spaces. You Might Be Interested In Bose Smart Soundbar 300 $200.00 13 Days Focal Sopra # 3 Center Channel Brand New $3,500.00 59 Mins Sony Speakers $30.00 1 Hour S master digital amplifier $20.00 1 Hour Theater Speakers $30.00 2 Hours SAMSUNG MX ST90B TOWER PARTY AUDIO $449.99 2 Hours Onkyo 390N Speaker System $50.00 2 Hours Bose sound system $900.00 2 Hours Phillips sound bar $75.00 2 Hours INFINITY SM 122 $140.00 3 Hours Atlas Sound SM42T-B 4" 2-Way Speaker Pair Black $140.00 3 Hours Polk Audio R150 Cabinet Speakers & Energy S10 Sub $150.00 3 Hours