Goldwood 260-411 bassreflex port

Product details

Speaker Cabinet Port Tube 4″ ID x 4-3/8″ L

Give your cabinets a professional appearance with these attractive, black plastic port tubes. When properly tuned, the port contributes significantly to the low frequency output of the speaker system. Flange diameter is 4-3/4″, cabinet cutout required is 4″, overall length is 4-1/2″; ID is 3-15/16″ at top and 3-7/8″ at bottom.