speakerplacer
FREE · NO SIGNUP
Room acoustics · SPL

Free speaker placement tool

Enter room dimensions, get optimal speaker positions and a real-time SPL heatmap. Stereo, 5.1 surround, home theater, studio, and more.

Runs in browserno install
OutputsSPL · RT60 · Dc
Time to result< 2 min
Room type
Dimensions
m
m
m
VOL 98 m³FLOOR 35.0 m²
Step 01
Enter room size
Width, length, and ceiling height — in meters or feet.
Step 02
Set surface materials
Walls, floor, and ceiling materials determine sound absorption.
Step 03
Choose speaker setup
Stereo, 5.1 surround, home theater, studio, or custom config.
Step 04
Get your results
Optimal positions, SPL heatmap, RT60, and critical distance.
FAQ

Frequently asked questions

Still unsure whether the tool fits your room? These cover almost everything people ask.

Is this speaker placement tool free?
Yes — completely free. No signup, no subscription, no download. Enter your room dimensions and get results instantly in your browser.
Which room types does the tool support?
Any rectangular room. Built-in presets cover living room, home theater, bedroom, home studio, church, and conference room. Custom dimensions are also supported.
Can I use this for surround sound speaker placement?
Yes. The tool supports stereo (2.0), 2.1, 5.1, and 7.1 configurations with optimized positions for every channel including subwoofer.
How is this different from other online calculators?
Most calculators give generic diagrams. This tool generates a room-specific SPL heatmap based on your actual dimensions and surface materials. It also calculates RT60 and critical distance for your room.
Do I need to install anything?
No. The speaker placement tool runs entirely in your browser on desktop and mobile — no plugins, no downloads.