

🎧 Tune into precision, don’t miss a decibel!
The Extech 407790A is a professional-grade real-time octave band analyzer featuring a wide 100dB dynamic range, ±0.5% accuracy, and frequency response from 25Hz to 10kHz. It includes a large color backlit LCD, microSD storage, and Windows-compatible software for seamless data transfer and analysis. Certified to ANSI and IEC Type 2 standards, it’s a complete, portable solution with all accessories for precise sound measurement in any setting.










| Manufacturer | Extech |
| Part number | 407790A |
| Item Weight | 953 g |
| Product Dimensions | 9.91 x 6.1 x 34.54 cm; 952.54 g |
| Batteries | 4 C batteries required. (included) |
| Item model number | 407790A |
| Colour | Green |
| Item Package Quantity | 1 |
| Number of Pieces | 1 |
| Measurement System | Metric |
| Measurement Accuracy | +/-.5% |
| Coverage | C |
| Included components | 1 x Complete with Windows compatible software, USB cable, 4 x C batteries, microphone wind screen, mini screwdriver, 120V AC adaptor, and case. |
| Batteries included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Alkaline |
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