PSB M4U 2

Type: circumaural, closed-back, moving coil with ANC
Test sample supplied by: UK importer
Reviewed in: Hi-Fi News, December 2013


Test Results

- This is a legacy measurement -

In active mode the test sample of this headphone was



Results Table
Passive Mode

  
Uncorrected Responses  -  Confidence Limits, Left  -  Confidence Limits, Right
Passive Mode

  
Uncorrected Responses  -  Confidence Limits, Left  -  Confidence Limits, Right
Active Mode

 
Corrected Responses
Passive Mode  -  Active Mode

 
Log Impulse Response, Left  -  Log Impulse Response, Right
Passive Mode


CSD Waterfall, Left  -  CSD Waterfall, Right
Passive Mode

 
Impedance  -  Impedance Attenuation
Passive Mode


Commentary

Harman PPR Scores: 71/82 ≡ 62%/72% (L/R) in passive mode, 70/83 ≡ 61%/72% in active mode