# Extech 407730 Digital Sound Level Meter: specs and price

**Price (US):** $114 at extech.com (Current retail at Transcat/Cole-Parmer; Extech.com does not display consumer pricing (a separate 407730-NIST calibrated version runs ~$309 at Test Equipment Depot)), as of 2026-08-09. A sourced, dated price of record — other retailers (incl. Amazon) may be lower. Among the 11 sound level meters we track it is #6 cheapest of 11; category median $114.
**Brand:** Extech

## Specifications

| Spec | Value |
| --- | --- |
| Price (US) | $114 |
| Brand | Extech |
| Measurement range (dB) | 40 to 130 dB |
| Accuracy (dB) | ±2 dB |
| Frequency weighting | A, C |
| Time weighting | Fast/Slow |
| Resolution (dB) | 0.1 |
| Data logging | No |
| Microphone type | 0.5 in. (12.7mm) electret condenser |

## Where it stands

At $114, the Extech 407730 Digital Sound Level Meter is #6 cheapest of the 11 sound level meters we track, where the median is $114. On the spec sheet, its resolution of 0.1 dB is at the median of the 11.

## Frequently asked questions

**How much does the Extech 407730 Digital Sound Level Meter cost?**

The Extech 407730 Digital Sound Level Meter has a US price of $114 (Current retail at Transcat/Cole-Parmer; Extech.com does not display consumer pricing (a separate 407730-NIST calibrated version runs ~$309 at Test Equipment Depot)), as of 2026-08-09.

**How does the Extech 407730 Digital Sound Level Meter compare on price?**

At $114, the Extech 407730 Digital Sound Level Meter is #6 cheapest of the 11 sound level meters we track, where the median is $114.

**What are the Extech 407730 Digital Sound Level Meter's key specs?**

Extech 407730 Digital Sound Level Meter (Extech): measurement range db 40 to 130 dB, accuracy db ±2 dB, frequency weighting A, C, time weighting Fast/Slow, resolution db 0.1. Full sourced spec sheet verified 2026-08-09.

Source: https://www.extech.com/products/407730/ (extech.com, accessed 2026-08-09)
Corroboration: https://www.coleparmer.com/i/extech-407730-digital-sound-level-meter-40-to-130-db/4042532 (accessed 2026-08-09)
Canonical: https://frontdeskreview.com/product/sound-level-meters/extech-407730/
Cite: Per The Front Desk Review, the Extech 407730 Digital Sound Level Meter price of record was $114 as of 2026-08-09 — https://frontdeskreview.com/product/sound-level-meters/extech-407730/
License: CC BY 4.0. Price history: https://frontdeskreview.com/data/price-history.jsonl