Rockford Fosgate RFFA300 Marine Speaker/Subwoofer Grilles & Trims the T1 "Slimline" subwoofers are

the T1 "Slimline" subwoofers are not your average shallow

A steel mesh woofer grille insert can be purchased separately (Model: SGR-12W6v2/v3)

0dB Input Sensitivity 150 mV - 12 V Circuit Topology Class Class BD Efficiency (average) 86% @ 4-Ohm Total Harmonic Distortion (THD+Noise) 4-Ohm: <1

creating a woofer cone that confidently handles your music's midrange and lows without undesirable resonance

The Punch P500X1bd is a mono amplifier capable of 500 Watts into a 1-Ohm load

Rockford Fosgate RFFA300 Marine Speaker/Subwoofer Grilles & Trims the T1 "Slimline" subwoofers are300 Amp ANL Fuse 2 Pack, platinum finish. Features: Platinum plated 1 Year Warranty