Presonus ISPD-4 Studio Monitor Isolation Pads Vater Ratios 4:1 and 8:1 are

Ratios 4:1 and 8:1 are steeper but still very smooth with long knees

Number of Frets: 20

Interior Width: 12

2 accessory pockets

Presonus ISPD-4 Studio Monitor Isolation Pads Vater Ratios 4:1 and 8:1 arePresonus ISPD 4 Studio Monitor Isolation Pads Placing studio monitor speakers directly on a hard surface such as a desk or unpadded stand can result in vibration and surface coupling that affects the sound of your speakers. PreSonus ISPD 4 isolation pads eliminate this problem by acoustically isolating the speakers from the surface. The pads come in pairs that can be split into four halves, so you can use the entire pad, use half a pad for a small