Headphone Left/Right test including Noise Cancel Test

FINE QC™ / FAST  Headphone Production Test



Intuitive QC test system specially made for testing headphones and earphones (Lab and End-of Line Test)

Noise Cancelling headphones (passive and active mode) can be fully tested during the test sequence.

FINE QC includes the best in industry Rub & Buzz method FINEBuzz.

A complete test including L/R Rub & Buzz and Noise Cancel test can be performed in less than 5 seconds.


Demo Video


FINE QC tests Left & Right SPL + with individual limits

Left-Right difference is tested with defined limits

Rub & Buzz measured with limits for Left and Right

SPL sensitivity and Polarity measured for Left and Right

Bluetooth headphones can be tested using automatic delay


Noise Cancel Test

The test cycle can now include Noise Cancel Test, both passive and active. The result is presented as vertical 1/3 octave colums. 

The test sequence will first show passive Noise Cancel, followed by the active Noise Cancel results. Each step can be repeated if necessary.

A USB barcode reader may read the serial number/starting the test.

New USB controlled FINE Hardware2 with Phantom mic + AD/DA and Power Amp for driving Noise Test speakers:
Download FINE QC /Headphone Manual (2.3 Mb)

In-ear Headphone Test.

ICP microphones connects directly to the hardware2 without separate microphone amplifiers


  • Left + Right SPL with limits
  • Left + Right Sensitivity
  • Left + Right Polarity
  • Left - Right Difference (L- R)
  • Left + Right Rub & Buzz       
  • Fast Noise Cancel Test      
  • Rub & Buzz: Measure Good and Bad
  • Bluetooth Headphone test
  • Read Serial no. Barcode
  • 19” FINE Hardware 2-channel USB 
  • For Windows  7 / 8 & 10 (incl. 64bit)

LOUDSOFT - Agern Alle 3 - 2970 Horsholm - Denmark - Phone: (45) 4582 6291 - Fax: (+45) 4576 5708 - E-mail: dl@loudsoft.com