Description Specification Package Content TH909 Premium Stereo Headphones  TH909 is a flagship premium headphone based on the reputed closed type TH900mk2.  While keeping the same sound characteristic, we further expanded and increased its sound field by adopting open-back construction and adjusting the acoustic circuit design.In Detail - Offers a wider dynamic range with low distortion using a 1.5 Tesla 50mm driver with a repulsion magnet. - Proprietary "Biodyna" technology (bio-cellulose and inorganic fiber admixture) is used as a diaphragm material achieving rich very low frequency, natural mid-range, and especially excellent presence in high-frequency reproduction. - Double layer structure etching metal grills are used as housing opening, which diversifies the resonance points and offers a gorgeous appearance. - Housing cover uses Japan Lacquer Bordeaux finish manufactured by the craftsmanship of "Sa-kamoto Urushi Factory" established in 1900. - Custom made7N grade (99.99999%) high purity OFC (Oxygen Free Copper) unbalanced cable (model ET-H3.0N7UB equivalent) is included as standard. - Equipped with a detachable connector that supports the balanced connection with optional XLR cable (model ET-H3.0N7BL).  Internal wiring also uses 7N grade cable. - Detachable connection parts use a rhodium plating finish offering high hardness, excellent abrasion, and corrosion resistance. - Newly designed ear pad adopts a low-resilience cushion to achieve a comfortable fit and the best audio performance. Specifications - Driver:    Dynamic, 50mm - Operation Type:    Open back- Impedance: 25 ohm - Sensitivity: 100dB/mW (at 1kHz, 1mW) - Freq. response:    5Hz – 45kHz - Max Input Power:    1,800mW - Weight:    390g (excluding the cable) - Cable:    Detachable 3m 1/4” unbalanced stereo phone (model ET-H3.0N7UB) - Accessories: Headphone Stand (model ST300), Carrying Bag Fostex TH909 x 1Detachable 3m 1/4” unbalanced stereo phone x 1Headphone Stand (model ST300) x 1Carrying Bag x 1
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