SSA - APM-X Wireless SPL Meter


✓ Sound Pressure Tool

✓ Bluetooth Connection

✓ APP Connection

✓ dB Range: up to 177db SPL

✓ Material: Plastic

✓ Made is Europe

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  • -12%
€391.19 Save 12%
Stock status: Very high
In stock
delivery time 1 - 3 days
packing unit: single
Free Sticker: Yes


The SSA Accuwave Pressure Monitor X (APM-X) is a highly accurate, very user friendly, affordable SPL meter that anyone with a Bluetooth connected Android, or Apple device (see requirments below) can use. Simply start the app on your device, connect to the APM-X via Bluetooth, and crank up your car stereo. The APM-X is the perfect choice for people who are doing testing & tuning, or hosting their own SPL competition, or just want to find out how loud they can go. The SSA Studio app is free as well as updates are free with No wires or software to install on your laptop. Just place the APM-X inside the vehicle and turn it on, connect it via Bluetooth and go to it.


✓ Rechargeable battery with up to 7h battery life

USB-C reversible connector

Bluetooth 4.0 connectivity

Multiple sensors can be connected to the app

Two clients can connect to one sensor at the same time

Graphical OLED screen

Auto-shutdown after period of inactivity

Screen auto-rotation

Individually calibrated to <0.01dB error over the entire operating temperature range, with calibration reports for each sensor

Tamper-proof calibration tables and firmware

Sensor spoof protection

Improved connectivity compatibility

Less than half the size of the previous version

Secure Over the Air updates for future improvements and features

Separate digital and analog power supply circuitry for low noise operation


Frequency range: 5-100 Hz

Frequency precision: 1 Hz

Measurement report rate: 2 Hz

Amplitude range: 100 dB - 177 dB

ADC Resolution: 24bit

Battery capacity: 500mAh

Battery charge time: ~2.5h,

Battery life with BT connected: ~6h, with BT off/Power Saving: ~10h

Bluetooth range: ~10m

Power supply: 5V 500mA USB-C reversible connector

12V Adapter: Dual 2.1A USB supply, with 12V and 5V voltmeter and USB current monitor

Display: 0.66” Monochrome Graphical OLED

Operating temperature: 0-60C

Weight: 75 grams

Sensor dimensions: 48.6mm x 15.5mm x 93.6mm (without suction cups)


Data sheet

Frequency Response
battery life
up to 3 hours
Amplitude range
Product type
dB Tool
dB SPL meter

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