(2PK) 9"x12" XL Speaker Monitor Sound Isolation Pads Dampening Recoil Stabilizer Speaker Risers Great performance at a Low Cost A pair of dense foam Isolates monitors/speakers for more accurate audio Good for Recording Studios, Vocal Booths, Home Theathers Reduces standing waves and flutter echoes in small to medium sized rooms , when used in conjunction with corner bass absorbers and male/female broadband absorbers Product Made In The USA , Exclusively Sold By IZO ALL SUPPLY CO.