stute.x1A PC Audio Analyzer

Precise measurements up to 90kHz!

For the laboratory or hobby
Home hi-fi, car hi-fi or home cinema, PA

Use standard USB audio interface (no expensive hardware)
Clear operating concept for effective work
Measure amplifier, audio filter, EQ, tone control
Measure network players, audio DSP, Bluetooth audio
Measure loudspeaker driver or the entire cabinet
Determine Thiele Small Parameters: Vas, Qts, Qms,...

3 steps to the first measurement

Step 1

Connect your USB audio interface to your PC.

Step 2

Install stute.x1A and configure initial the Audio Analyzer system.

Step 3

Ready: Start with your first measurements.

Application samples

Measurement with external signal sources too

Generally, stute.x1A generates the test signals internally. However, x1A also allows measurement with external signal sources. This is very useful for checking modern audio devices such as Bluetooth adapters or audio network players.

External signal sources

For measurements with external test signal  sources, a special signal pack is optional for the x1A available. Visit our store to read more details. 

Also available: Test signals on CD and DVD for Hi-Fi and 5.1 Home Cinema systems. Learn more here...

Key features

Frequency range
Wide measurement range up to 90kHz
Low cost due to Usage of a standard USB audio interface 
high repeat accuracy for electrical & acoustical measurement
User interface
User friendly Design. No overloaded screens.
2-channel measurement and powerful xy screen 
Microphone correction via ASCII file 
Audio signal source
signal generator included
SPL measurement
SPL correct acoustical measurement supported


XY screen

Everything you need

NEW - stute.x1A Kit Pro 2

The kit makes the start very easy. All important components are included: Software stute.x1A, a calibrated measurement microphone with XLR cable (10m), an USB audio interface, the stute.x1S interface and the cable x1S <-> audio interface plus 2x 4mm banana plug to crocodile clip.


the basic equipment

stute.x1A Kit Basic

The kit for all who has already an audio interface and microphone. The Kit includes the software stute.x1A, the interface stute.x1S and the cable to connect the x1S with your audio interface.


System requirements

Computer MS-Windows 10 (32 & 64 bit), 11. Processor i3 1.5GHz or above, screen resolution min. 1024x768 pixel. An audio amplifier for acoustic measurements (20W sufficient)


Basic Kit only: A Commercial USB Audio interface with headphone output, stereo line input and microphone input.  Level of inputs and outputs must be adjustable at the audio interface per gain control knob. Driver ASIO or Windows WDM.  Sample rate 44.1kHz, 48kHz, 96kHz, 176.4kHz, 192kHz. Recommendation Behringer UMC 202HD. For acoustical measurements a measurement microphone

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