Ground Shaker GS-FLGM48B Quad 8" Sealed Sub Box for 2019–2026 GMC Sierra Double & Crew Cab

Ground Shaker GS-FLGM48B Quad 8" Sealed Sub Box for 2019–2026 GMC Sierra Double & Crew Cab (GSFLGM48B)

This Ground Shaker quad 8" sealed sub box is designed to fit 2019–2026 GMC Sierra Double Cab and Crew Cab trucks. It mounts under the rear seat and fires forward. Two individual chambers hold two subs each, giving each 8" subwoofer 0.72 cu ft, with up to 7 1/4" of mounting depth (with a 6" magnet diameter).

Features

• 5/8" MDF construction with 1 1/4" front baffle
• Carpeted with durable trunk liner finish
• Sealed with Titebond silicone and glued with Titebond wood glue
• 4 spring-loaded terminals
• Fits under the rear seat, forward firing
• Custom cutouts available on request

Specs

• Cutout diameter: 7 1/8"
• Air volume: 2.90 cu ft total
• Chambers: 2 individual (2 subs per chamber)
• Volume per subwoofer: 0.72 cu ft
• Mounting depth: 7 1/4" (with a 6" magnet diameter)
• Front baffle thickness: 1 1/4"
• Weight: 57 lbs
• Front height: 9 3/4"
• Rear height: 6 1/2"
• Length: 53"
• Depth: 17"
• Ground Shaker part number: GS-FLGM48B

Professional installation available at Tunes & Tint in Amarillo.