JL Audio SGR-10TW3 Marine Audio a protective mesh grille is

a protective mesh grille is included to protect the subwoofer

12 in / 54 mm Width (W) 11

Nominal Impedance 4 ohms Frequency Response 3 kHz - 30 KHz ± 3 dB

includes all parts needed for a smooth installation

This low-profile enclosure design has been carefully engineered to the optimum sealed enclosure alignment for the 10TW1 and has been fine-tuned through extensive real-world listening

JL Audio SGR-10TW3 Marine Audio a protective mesh grille isSteel mesh grille insert for JL Audio 10 inch TW3 Subwoofers. Provide attractive, sturdy protection to your Subwoofer with this fine steel mesh grille insert, powder coated in a satin black finish. The insert is designed to fit snugly onto the woofer's grille receiver ring. Fits: 10TW3 Only