Home / Specs / MDR-Z7 MDR-Z7 Full Specifications Copy specs MDR-Z7 specsDesign: Closed back, dynamicDrivers: 70mm (currently the largest), dome-typeSensitivity: 102dBFrequency range: 4Hz – 100kHzImpedance: 70 ohmsWeight: 335 gramsCable length: 3mMDR-Z7 specificationsDesignClosed back, dynamicDrivers70mm (currently the largest), dome-typeSensitivity102dBFrequency range4Hz – 100kHzImpedance70 ohmsWeight335 gramsCable length3m Related articles yugatech.com Oct 7, 2014 A Guide to Sony’s New High-Res Audio System We just came from Singapore where Sony has announced its new lineup… By Kevin Bruce Francisco Read → Compare MDR-Z7 with… MDR-Z7 vs LG Chocolate Black Label 40 (BL40) MDR-Z7 vs The Apple iPad MDR-Z7 vs Lenovo ThinkPad X100e MDR-Z7 vs Asus Eee PC 1201T MDR-Z7 vs Nokia Booklet 3G MDR-Z7 vs Fujitsu LifeBook UH900 Related specifications LG Chocolate Black Label 40 (BL40) 4" touchscreen display @ 345x800 pixels View specs → The Apple iPad 9.7" display screen @ 1024x768 pixels · 10 hours battery life View specs → Lenovo ThinkPad X100e View specs → Asus Eee PC 1201T 12.1″ display @ 1366×768 pixels View specs → Nokia Booklet 3G 10.1″ display screen @ 1280×720 pixels View specs → Fujitsu LifeBook UH900 5.6-inch screen @ 1280x800 pixels · Intel Atom Processor Z530 1.6GHz View specs →