16Pcs Abs Bass Port Tube for Speaker Cabinet Easy to Install Woofer Box

Abs subwoofer port tube: made of great quality material, durable and safe for long lasting use, Plastic Speaker Pilot Hole; Speaker pilot hole: when properly tuned, the port contributes significantly to the low frequency output of the speaker system, ABS Speaker Pilot Hole; Subwoofer port tube: these port tubes can overcome the situations and you can experience good looks, low distortion, and superior overall sound quality, Bass Reflex Tube; Abs bass reflex tube: the surface is polished so that it won't hurt your hands, it's very safe to use, ABS Speaker Port Tube; Plastic bass reflex tube: speaker port tube is used to the bass response of many types of speakers, Speaker Port Tube

What's in the box
16 x Speaker Replacement Parts