The pedigree of Sony's audio products and headphones specifically can be under no doubt. Just take a look at the Sony MDR-Z1000's performance in the best high end headphones category from last year's Tech Awards. As of today Sony has introduced seven new products in their headphones range. Four of the new models come with an over-ear design while the rest are in-ear versions.
While the last release from Sony featured Balanced Armature technology the new headphones, which will be sold as the Extra Bass series, feature dynamic drivers. The Extra Bass models are a nod to the current trends of low frequency heavy music which is highly popular among the younger demographics. Advanced Direct Vibe Structure offers a tight enclosure so that the devices can meet the target of delivering powerful bass. Additionally, Capacity Optimization allows for the adjustment of the front diaphragm's ability to fine tune the tone balance for mids and highs.
The over-ear headphone models from the Extra Bass series are the XB200, XB400, XB600 and the XB900. Offering driver sizes ranging from 30mm to 50mm, all of the over-ear headphones come with a foldable design which makes then portable. Elasticized, leather covered urethane pads clad the ear-cups for comfort.
The XB30EX, XB60EX and the XB90EX are the in-ear headphones from the Extra Bass range and sport drivers ranging from 13.5mm to 16mm. Vertical in-ear structure and hybrid silicone ear buds ensure comfort over prolonged use.
A full comparison of the models and there technical specifications can be found below.
|Type||Closed Dynamic||Closed Dynamic||Closed Dynamic||Closed Dynamic||Dynamic||Dynamic||Dynamic|
|Sensitivity||100 dB/mW||100 dB/mW||104 dB/mW||106 dB/mW||105 dB/mW||105 dB/mW||106 dB/mW|
|Frequency Response||5 Hz to 22,000 Hz||5 Hz to 22,000 Hz||4 Hz to 24,000 Hz||3 Hz to 28,000 Hz||4 Hz to 24,000 Hz||4 Hz to 25,000 Hz||4 Hz to 27,000 Hz|
|Impedance||24 Ohms||24 Ohms||24 Ohms||24 Ohms||16 Ohms||16 Ohms||16 Ohms|
|Cord||1.2, Litz cord (Y-type)||1.2, Litz cord (Y-type)||1.2, Litz cord (Y-type)||1.2m OFC Litz cord||Y-shape||Y-shape, 1.2m||Y-shape, 1.2m|