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Product Information
Overview Features:

  • Extra-thick 16 gauge metal construction.

  • Lined with 12 mm (1/2 inch) thick MDF to eliminate resonances and to provide extra bass response.

  • Knockouts on top and all four sides.

  • Dual mounting system for baffle.


  • External Volume: 3 cu ft, nominal

  • Internal Volume: 2.4 cu ft.

  • Knockouts:22.1 mm (0.87 in) diameter openingFive (5) locations:1 on top panel1 on each side and end panel

  • Dimensions (Height): 308 mm (12.1 in) above ceiling324 mm (12.6 in) total height(Width): 587 mm (23.1 in)(Depth): 461 mm (18.2 in) cabinet505 mm (19.9 in) including side tabs

  • Net Weight: 20.6 kg (45.5 lbs)

  • Shipping Weight: 23.1 kg (51 lbs)

  • Included Accessories:4 pcs M4 x 14 mm machine screws for one system of mounting baffle to backbox.6 pcs #10 x 0.75 inch metal screws for another system of mounting baffle to backbox.4 pcs M4 nuts for optional transformer mounting

Brand JBL
Model MTC-300BB12
Part Number MTC-300BB12
UPC 691991300127
Product Category Speaker Stands & Brackets
Unit of Measure EACH
Weight 55.61 lbs.
JBL Performance Audio is an authorized JBL dealer.
Headquartered in Northridge, California, JBL Professional is the world's leading designer, manufacturer and marketer of professional loudspeakers for musician, contracting, tour, cinema and recording / broadcast applications. JBL Professional is part of the Harman International network of professional and consumer audio companies.
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