Speaker Port Tubes

These bass reflex are ideal for anyone building there own Sub Box or speaker system and come in a variety of different sizes.

For NX-BT-001, the outside flange is 145mm, the mounting holes are at 133mm pitch, and it requires a 121mm Dia Hole Cutout. The length of the Bass tube is variable from  160mm  to 280mm. 

These bass reflex are ideal for anyone building there own Sub Box or speaker system and come in a variety of different sizes. This tube is angled at 45 Degrees.

For NX-BT-002, the outside flange is 120mm, the mounting holes are at 103mm pitch, and it requires a 96mm Dia Hole Cutout. The length of the Bass tube is variable from  230mm  to 360mm.  

These bass reflex are ideal for anyone building there own Sub Box or speaker system and come in a variety of different sizes.

For NX-BT-003, the outside flange is 97mm, the mounting holes are at 87mm pitch, and it requires a 77mm Dia Hole Cutout. The length of the Bass tube is variable from  130mm  to 250mm.  

These bass reflex are ideal for anyone building there own Sub Box or speaker system and come in a variety of different sizes.

For NX-BT-004, the outside flange is 80mm, the mounting holes are at 65mm pitch, and it requires a 61mm Dia Hole Cutout. The length of the Bass tube is 160mm.