SparkFun

Sound Detector Audio Sensing Breakout Three Different outputs Audio Presence of Sound Binary Indication Amplitude Analog Representation VCC: 3.5V to 5.5V Ideal Voltage is 5V

SparkFun

Sound Detector (with Headers) Small and Very Easy-to-use Audio Sensing Board with Three Different outputs, Sound Detector Provides Audio Output as Well as Binary Indication of The Sound!

Decibel Meter, TopTes TS-501B Sound Level Meter with 2.25” Backlit LCD Screen, Portable SPL Tester with A/C Weighted, Range 30-130dB, MAX/MIN, Data Hold, Use for Home, Noisy Neighbor, Factory - Orange

Decibel Meter, RISEPRO® Digital Sound Level Meter 30 – 130 dB Audio Noise Measure Device Backlight MAX/MIN, Data Hold Auto Power Off Dual Ranges HT-80A

Decibel Meter Wall Hanging Sound Level Meter 11 inch Large LED Display Noise Temperature Humidity Meter with Alarm Icons Indicator Wide Applications for Classroom, Studio, Home, Factory

SparkFun

Indoor Air Quality Combo Sensors - SCD41, SEN55 (Qwiic) Photoacoustic Measurement System- Narrow-Band IR Light & Microphone Integrated Temperature & Humidity - Voltage Range: 2.4-5.5V

Decibel Meter Data Logger Digital Sound Decibel Meter, Sound Level Meter with 43,000 Data Record & Export, Rechargeable Noise Meter with A/C Frequency&DC Output, 3-Color Alarm, Real Time Measurement

Digital Sound Level Meter,Sound Meter for Classroom Home Street,30-130dBA dB Meter to Measure Noise,Noise Decibel Reader,Audio Sound Tester,Sound Test equipmetent,Sound Measurement Device (30-130dBA)

Decibel Meter, DURFICST Sound Level Meter with LCD Color Screen, 30-130dB SPL Meter with A/C Weighting, Data Hold, MAX/MIN,dB/SONE Unit,FAST/SLOW Response,for Home, Office, Factory, Noisy Neighbors

Decibel Meter, XIAOCETOOL®, Noise Decibel Reader, Sound Level Meter – Range 30-130dB, Max/Min, A-Weighted, with Backlit LCD Screen, Data Hold, Fast/Slow, for Home, Outdoor & Noisy Neighbors

Decibel Meter, Tadeto Digital Sound Level Meter Portable SPL Meter 30dB to 130dB MAX Data Hold with LCD Display Backlight A/C Weighted for Home Factories

5-in-1 Decibel Meter - 30-130dB Range Wall Mount Sound Level Meter, Large LED Display Noise, Temperature & Humidity, Time Measurement Meter for Home, Classroom, Wall Hanging Sound Decibel Meter

TOPTES

Decibel Meter, TS-501A Sound Level Meter with 2.25” Backlight LCD Screen, Portable SPL Tester with A Weighted, Range 30-130dB, Data Hold, MAX/MIN, Use for Home, Noisy Neighbor, Factory - Orange

VLIKE

LCD Digital Audio Decibel Meter Sound Level Meter Noise Level Meter Sound Monitor dB Meter Noise Measurement Measuring 30 dB to 130 dB A/C Mode (Batteries Not Include)

Decibel Meter Recorder 13 Inches Sound Level Meter, Wall Mount Noise Meter for Classroom Sound Meter with 16.4ft Sensor, Buzzer Alarm and Unlimited Data Logging, Noise Meter Decibel for Studio, Home

Decibel Meter, LD353 Digital Sound Level Meter with Backlit LCD Screen Auto Power off, 30-130dB Portable Audio Noise Volume Measure Device Sound Meter, Max/Min, Data Hold, Use for Home, Office, School