Features: brand new and Two-component design acoustic foam mainly composed of upper and lower two pieces Helps to echoes and reduce excess and reverberation Improves vocal and acoustics of your room for Ideal for use in recording studios, home theatres and karaoke room Reduce the voice quivered resonates, the sound is more real, precise, is a good of your studio isolation foam pads are designed to isolate studio monitors acoustically, avoid disturbing resonances with the on which they stand, which results in a significantly improved sound Specifications Sponge Color: Black Size: 30cmx20cmx4.5cm(L×W×H) Quantity: 2 Pcs/ 1 Set Note: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Contents: 2 Pcs x Sponge Pad Helps to echoes and reduce excess and reverberation Improves vocal and acoustics of your room Ideal for use in recording studios, home theatres and karaoke room Reduce the voice quivered resonates, the sound is more real, precise, is a good of your studio isolation foam pads are designed to isolate studio monitors acoustically, avoid disturbing resonances with the on which they stand, which results in a significantly improved sound