The difference between 1-inch and 2-inch egg crate shape acoustic foam primarily lies in their thickness and the level of sound absorption they provide. Here are some key differences to consider:

Sound Absorption: As a general rule, thicker acoustic foam panels tend to offer higher sound absorption capabilities. The additional thickness of the 2-inch foam allows for more sound waves to be absorbed, resulting in improved sound control and reduction of reflections compared to the 1-inch foam. The 2-inch foam may be particularly effective in addressing low-frequency sounds due to its increased thickness.

Frequency Range: Both 1-inch and 2-inch egg crate shape foam panels are capable of absorbing sound across a wide frequency range. However, the increased thickness of the 2-inch foam may provide slightly better absorption in the lower frequencies. This can help in achieving a more balanced and accurate sound reproduction, especially if your room exhibits issues with excessive bass buildup.

Space Considerations: The thickness of the foam panels can impact the amount of space they occupy when installed. The 1-inch foam is thinner and takes up less space on the wall or ceiling compared to the 2-inch foam. If you have limited space or prefer a more discreet acoustic treatment, the 1-inch foam may be a suitable option.

Placement Flexibility: The thinner profile of 1-inch foam panels may provide greater flexibility in terms of placement options. It can be easier to install in tight spaces or areas where clearance is limited. However, the 2-inch foam panels can still be placed effectively in various locations, allowing for customization based on the specific acoustic requirements of your room.

Cost: In general, 1-inch foam panels tend to be more affordable compared to their 2-inch counterparts. The increased material and manufacturing costs associated with thicker foam panels contribute to the price difference. If budget is a concern, the 1-inch foam may be a more cost-effective option.

When deciding between 1-inch and 2-inch egg crate shape acoustic foam, it's essential to consider the specific acoustic needs and characteristics of your room. Factors such as room size, existing acoustic issues, desired sound quality, and budget can help guide your decision. It's also worth noting that a combination of different thicknesses and types of acoustic foam panels may be used strategically to achieve optimal sound treatment results.