Sennheiser Hd800s Vs Sennheiser Hd820 Headphones Test Quality and Review Comparison. Test and Measurements by DUMMY HEAD NEUMANN KU 100. Tests and Measurements performed by Marco Caporicci. https://www.cuffie.eu The measurements refer only to Very High Precision Laboratory Measurements on the Dummy Head. Please note: THE MARKS ARE NOT PERSONAL EVALUATIONS, BUT DERIVE FROM A CONVERSION OF THE MEASUREMENTS AND TESTS INTO NUMBERS FROM 0 TO 30 FOR EASY COMPARISON AND CONSULTATION. Sound Neutrality: BASS linearity 20hz to 300hz. Sound Neutrality: MIDDLE Linearity 300Hz to 3kHz. Sound Neutrality: TREBLE Linearity 3khz to 20khz. Sound Neutrality: Harmonic Distortion. Sound Neutrality: Regularity Frequency Response from 50 to 10000Hz. Spatial Qualities of Sound: Consistency. Spatial Qualities of Sound: Imaging. Spatial Qualities of Sound: Soundstage. Physical-Mechanical Quality: Build Quality. Physical-Mechanical Quality: Stability. Physical-Mechanical Quality: Comfort. Physical-Mechanical Quality: Breathability. Isolation: External Noise Isolation. Portability (For Inear or earbuds only). Mic Recording Quality (For Inear or earbuds only). Noise Handling (For Inear or earbuds only). APP quality (For Inear or earbuds only). Battery quality (For Inear or earbuds only). Bluethoot quality (For Inear or earbuds only). For more info on the tests see related videos of the channel. #solocuffie #hd820 #hd800s

HIFIMAN HE400SE SOUND TEST SOUND DEMO HEADPHONE