How Far Off the Wall Should Acoustic Panels Be?

July 10, 2025

When it comes to optimizing sound quality in a space—whether a studio, office, or home—the installation of acoustic panels is a smart investment. But one often overlooked factor is panel spacing from the wall. So, how far off the wall should acoustic panels be to maximize performance?

At Guangdong Liyin Acoustics Technology Co., Ltd., we specialize in producing high-performance wood slat acoustic panels with PET felt backing. As a leading exporter in China with a 20,000㎡ modern facility, we combine craftsmanship and science to help clients around the world enhance their acoustic environments.

Leading Acoustic Wood Slat Panel Manufacturer


🎧 Why Panel Spacing Matters

Most people assume acoustic panels should be mounted flat against the wall. While that’s common, leaving a small air gap behind the panel can significantly improve low-frequency absorption. This method is often used in professional sound treatment applications.


📏 Ideal Spacing: The Magic Number

In general, 2 to 4 inches (5–10 cm) of space behind the panel is ideal. This added distance:

  • Enhances bass absorption

  • Improves overall sound dampening

  • Increases absorption without additional material

💡 Pro Tip: A 2-inch panel with a 2-inch air gap performs nearly as well as a 4-inch panel flat-mounted.


🛠️ How to Mount Panels with a Gap

Here are three popular methods to mount wood slat acoustic panels with air space:

  1. Wooden Furring Strips: Use wood strips to create a frame behind the panel.

  2. Wall Spacers: Install metal or plastic standoffs to keep the panel off the wall.

  3. French Cleat System: Great for adjustable mounting with gap control.

Our Liyin panels are engineered to be easy to install with all three methods—gluing, screwing, or using brackets.


🪵 Why Choose Liyin Acoustic Panels?

Our E0-grade MDF + PET felt wood slat acoustic panels combine beauty and functionality.

✅ Scientifically engineered for acoustic performance
✅ Manufactured using eco-friendly, recyclable PET felt
✅ Meets E0 formaldehyde standards
✅ Certified with FSC-compliant materials
✅ Ideal for walls and ceilings
✅ Customizable sizes and finishes
✅ Exported globally to Europe, North America, and Southeast Asia


🧠 Final Thought: Wall Gap = Smart Sound

 

Spacing acoustic panels 2–4 inches from the wall enhances their sound-absorbing capabilities, especially for lower frequencies. If you want great acoustics without compromising on style, our wooden slat acoustic panels offer the perfect solution.

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