This guide focuses on the desktop version (Windows/Mac/Linux), as there is no official "REW app" for phones/tablets. If you meant a specific mobile app, please clarify – but REW itself is desktop-only.

In REW on your desktop:

: Despite being free, it receives frequent updates and has a dedicated support community on platforms like AV Nirvana. Notable Challenges Hidiz mp145 audio review and comparison

| Problem | Visual on Graph | Fix | |---------|----------------|-----| | 50–100 Hz peak | Tall mountain | Move speakers/sub away from walls | | Deep null (notch) | Sharp V-shaped dip | Change listening position or add a second sub | | Treble roll-off | Sloping down above 5 kHz | Toe in tweeters | | Large peak around 100–200 Hz | Wide bump | Add broadband absorption (4-inch panels) |

REW provides an objective, visual representation of what your ears are missing. It shows you:

Plug your Dayton iMM-6 into your phone. Open the measurement app. Navigate to settings and load the unique calibration file for your mic (provided by the manufacturer).

While technically freeware, REW provides repeatable, objective data that can improve a system's sound more effectively than expensive cables or accessories. It is an invaluable tool for home theater enthusiasts and studio designers alike, though its steep learning curve means it is better suited for users willing to invest time in understanding acoustic data.