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4"D x 5"L

Speaker Tuning Ports - 4" x 5"

Product Description:

Tuning Ports are used to enhance and create deep sounding bass

Speaker Tuning Ports increase air flow by compressing the air to one specific location. More air flow increases deeper bass from boxes. Tuning Ports are mandatory for Subs and woofers that require boxes to be ported. Corrects speaker whinning and bass reflex while enhancing your custom box to look and sound professional too

4" Inch Diameter

5" Length