A Unique Bass Sensation: The Skullcandy Crusher Measurements

Click on graphs image to download .pdf for closer inspection.

All plots here shown without the Sensation55 driver enabled.

Raw frequency response plot shows a headphone that varies little with changes in placement on the head. Compensated plot show Crusher response fairly neutral though slightly uneven from 50Hz to 4kHz. A marked difference in response between the left and right channel occurs at about 1.2kHz and is likely due to the differences in captured air volume in the two capsules due to the differing volumes taken up by the enclosed electronics and battery. A deep notch is easily seen centered at 6kHz which was easily heard in listening tests. Roll-off between 10kHz and 20kHz is somewhat too steep, but levels here help make up for missing area at 6kHz. Bass is fairly well extended to all but the lowest octave.

30Hz square wave clearly shows significant bass energy, but swayback response indicates it going out of phase which results in the slightly loose bass heard in listening.

300Hz plot show decent shape and low first overshoot which will help these cans not to sound strident, but marked double hump will likely have the effect of reducing depth and breadth of imaging. These cans did not image particularly well.

Impulse response shows these to be not particularly fast and having some sustained ringing.

THD+noise plots shows fairly low distortion from 200Hz to 4kHz, which to my mind is indicative of the fairly good basic sound of these cans. Rising distortion below 200Hz echos the poor shape of 30Hz square wave and is usually indicative of loose sounding bass, which was heard in listening tests. Fortunately, the sensation driver makes up for this in part when properly adjusted.

Impedance plot shows a nominally 36 Ohm headphone with a primary driver resonance at 45Hz. A fairly flat impedance with only two small blips at 2.7kHz and 4.2kHz indicate a headphone having good acoustic design behind the diaphragm and in the voice coil area.

Isolation of -12dB broad band is at or slightly below average for a headphone of this type. With 43mVrms needed to achieve 90dBspl in the headphones, these will deliver solid listening levels from portable devices.

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