The 109 PRO is crafted with utmost care for sustainability. As our choices of today can have a great impact in the world of tomorrow, we design products that last. We believe that a longer product lifespan means a smaller footprint Following this philosophy, the 109 PRO can be taken apart and serviced endlessly if ever needed, which can extend the life of the product beyond limit.
The diaphragm is the heart of the headphone, producing the waves our brains ultimately perceive as sound. In order to meet the acoustic goals we set for the 109 PRO, we focused our R&D efforts on materials research, looking for the perfect balance between mass and stiffness that would maximize the sonic abilities of the headphone.
Our search led to developing the 109 series Dual-Composite Diaphragm – a combination of Beryllium-coated polymer, cellulose - carbon fiber composite and copper-zinc alloy.
TECH SPECS: Transducer Size: 50mm Frequency Response: 5Hz - 30KHz Sensitivity: 112dB SPI at 1KHz, 1mW Impedance: 40 Ω Weight: 375 gr (13 oz) without cables Ear Cups: Walnut Wood
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