Akustyczne koszyki głośnikowe (2szt) DEI Boom Mat, - 100mm Slim - USA-DEI-50311 - Boom Mat Speaker Baffles solve the problem of rattles and vibrations caused by speakers and protects the back of speakers from damage. Boom Mat Speaker Baffles maximize speaker performance by isolating the correct frequency responses while damping reverberation in the sheet metal and panel to frame resonance. Also forms a water tight protective shell to prevent moisture intrusion. Made from a closed cell polyethylene to enhance frequency response for improved sound clarity. Easy conformability in tight spaces for a professional installation. Isolates frequency responses and prevents sound from migrating to unfavorable areas in the vehicle such as door panels. Maximize speaker performance Dampen vibrations Water-tight shell Sold in packages of 2 Size:   4 x 4   Part# Description Width Height Depth 050310 4" Round 6" 6" 3.5" 050311 4" Round Slim 6" 6" 2.5" 050320 5.25" Round 6.5" 6.5" 4" 050321 5.25" Round slim 6.5" 6.5" 2.5" 050330 6.5" Round 7" 7" 3.5" 050331 6.5" Round Slim 7" 7" 3" 050340 6.75" Round 7.5" 7.5" 5" 050341 6.75" Round Slim 7.5" 7.5" 3"   Part# Description Width Height Depth 050350 4" x 6" Oval 8" 6" 3.5" 050351 4" x 6" Oval slim 8" 6" 2.5" 050360 5" x 7" Oval 8.5" 7" 4.5" 050361 5" x 7" Oval slim 8.5" 7" 3" 050370 6" x 8" Oval 9.5" 7" 5" 050371 6" x 8" Oval slim 9.5" 7" 3" 050380 6" x 9" Oval 10.5" 7.75" 4.5" 050381 6" x 9" Oval slim 10.5" 7.75" 3.5"