The Front Desk Review

Extech · Updated August 2026

Extech 407730 Digital Sound Level Meter: price & specs

Extech 407730 Digital Sound Level Meter. Every price and spec below is linked to its source and dated — no guesses.

Source: extech.com verified ✓ corroborated verify in ledger

On the Recordsourced & dated · eligible
See Extech 407730 Digital Sound Level Meter on Amazon Live price at the store — may differ from the dated listed price above. As an Amazon Associate we earn from qualifying purchases.
Extech 407730 Digital Sound Level Meter — Extech
Image: extech.com (© Extech)

Is the Extech 407730 Digital Sound Level Meter a good buy?

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.

Specifications

Price (US)$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)
BrandExtech
Released—
Measurement range (dB)40 to 130 dB
Accuracy (dB)±2 dB
Frequency weightingA, C
Time weightingFast/Slow
Resolution (dB)0.1
Data loggingNo
Microphone type0.5 in. (12.7mm) electret condenser

Source: extech.com (verified 2026-08-09) · corroborated by coleparmer.com. Extech's own product page confirms 40-130dB range, ±2dB accuracy, 0.1dB resolution, selectable A/C frequency weighting, Fast/Slow time weighting, 0.5in. electret condenser mic, analog bargraph, Max Hold, and 4xAAA battery power. No datalogging is listed on this entry-level model (distinct from the HD600 below). Price $114.00 taken from Transcat/Cole-Parmer as Extech's own site carries no consumer pricing.

Is the Extech 407730 Digital Sound Level Meter worth it vs cheaper sound level meters?

Extech 407730 Digital Sound Level Meter against its closest cheaper and pricier sound level meters on the specs that matter — every value sourced. See all 11 ranked

ProductPriceMeasurement range (dB)Accuracy (dB)Frequency weightingTime weightingResolution (dB)
Extech 407730 Digital Sound Level Meter this$11440 to 130 dB±2 dBA, CFast/Slow0.1
REED Instruments R1920 Compact Sound Level Meter$7930 to 130 dB±1.5 dBAFast (125ms) / Slow (1s)0.1
REED Instruments R8050 Dual Range Sound Level Meter$160Low 35-100 dB, High 65-135 dB±1.4 dBA, CFast/Slow0.1

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.

Price of record: $114 at extech.com, 2026-08-09. Other retailers may be lower — check the current price:

See Extech 407730 Digital Sound Level Meter on Amazon As an Amazon Associate we earn from qualifying purchases.

Similar sound level meters

Nearest in price — swipe to browse. Every pick sourced and dated.

All sound level meters ranked · Open data & methodology · Queryable via MCP

Compare with

Head-to-head

Cheaper sound level meters

Step up

More from Extech

Related categories