The Atrend GFX series of vented enclosures offer a complete package of high performance and style when delivering the sound from your subwoofers. The GFX series enclosures are proudly MADE IN THE USA using only high quality US raw materials. The enclosures are constructed of 3/4 inch MDF, wrapped in a plush black carpet, have silver spring loaded terminal cups and faceplate that is finished with one of Atrend's Liquid Ink patterns. The GFX series of enclosures offer a custom look, huge air space and a style of venting that is sure to make your woofers sound good and look good -Single Vented SPL 15-inch Subwoofer Enclosure With Reaper Black Skulls Finish.