NTI XL2 RTA Combo Kit


The best handheld audio analyzer available!

  • Ruggedly built to survive professional field use
  • 1/3-octave RTA
  • Waveform oscilloscope
  • Polarity tester – acoustic and line in
  • Calibrated measurement mic included
  • RCA and XLR inputs
  • Screenshot bitmaps onto internal SD card
  • Educar kit includes optional 40V attenuator and Educar test cables









The NTI XL2 is the most advanced handheld RTA available, and Educar is the exclusive reseller of NTI gear for the 12-volt professional with Educar cables. The Educar XL2 package includes:

  • Oscilloscope
  • 1/3-octave real-time analyzer
  • FFT analyzer
  • RCA and XLR inputs
  • Internal audio notes app
  • Backlit display
  • Rechargeable battery with AA backup
  • Protective silicone boot
  • Kickstand
  • Jogwheel UI
  • 2.5, 5, 10, and 20dB-per-segment resolutions
  • External calibrated microphone*
  • NTI high-voltage attenuator*
  • Educar XLRP3 test cable*

*Part of the Educar package, not internal to the XL2

This device is the size of your voltmeter (don’t be fooled by the pics, they add 20 pounds).


Use the XL2 to:

  • Check polarity
  • Find clipping points on OE systems
  • Set gains and levels
  • Test OE audio signals using the Three Questions process
  • Test the output of summing devices to confirm proper configuration
  • Set crossover filters in amplifiers
  • Verify performance of transformer-based interfaces
  • Manually correct for OE equalization with manual-adjustment EQs
  • Tune head-unit equalizers faster than ever before
  • Troubleshoot amplified systems more easily
  • Test for powerline noise

NOTE FOR PAYPAL USERS: If you’d like to purchase an XL2 with PayPal 6 months no interest financing, let us know. We will send you a PayPal invoice, and you can select “6 months no interest” at checkout!