OEM SYSTEMS SE-10SWD The Stud Woofer • 150W Max Passive • 10 Butyl Surround Polypropylene Driver • Imp: 8_ Nominal • Freq Resp: 25 Hz - 200 Hz • 3.38 Mounting Depth • Dual Channel • Tuned Twin Port Design • Tuned For Optimum Performance In a Wide Variety Of Wall Configurations • Port Plugs Enable Use In Infinite Baffle Arrangements • Fastens Directly To 16 On-Center Wall Studs • Locking Toggles Draw The Drywall Flush With The Baffle For a Good Seal • Cutout Dim: 14.5 X 16.5 • Overall Dim: 19.5 X 19.5, 1.75 Face Relief • Lifetime Warranty • Each