Established in 1999, Dianmen Digital Technology Co., Ltd. is one of the leading China grado headphone manufacturer and wholesaler of audio, video and communication products in China. We can offer you the complete OEM & ODM grado headphones service, including, but not limited to, the products designing, moudling developing, the plastic injection and hardware producing, firmware designing and products producing. We have established an integrated set of QA system of efficiency, which strictly administrates through the whole process including design, manufacture, sales and service. All of key processes for quality control are performed according to ISO9001:2000, CE, FCC, E-MARK and RoHS. Also we collect and offer cool and the newest 2009/2010 fashion products to you.

Vented diaphragm. Non Resonant air chamber. Standard copper voice coil wire. Standard copper connecting cord. Mini plug with 1/4" adaptor. The SR80 utilizes a 4 conductor connecting cable and larger ear cushions, the result of which gives a more open stage. The SR80 provides an improved bass resonance, which enhances the overall detail. John Grado says he strove for the best sounding phones for the money, and with the glowing reviews the SR80's have received, who can argue.PRODUCT FEATURES:Vented diaphragm;Non-resonant air chamber;Standard copper voice coil wire;Standard copper connecting cord;Mini plug with 1/4" adaptor.
An improved headband spring provides even greater comfort allowing the listener to relax and enjoy the fine tonal spread and balance. Bass, midrange and treble are all more open. So if you're that individual who would go for a more traditional headset over the earbuds, we think you'd really appreciate the better peformance that the iGrado offers. Frequency Response - 20 Hz to 20,000Hz Sound Pressure Level (SPL) 1mV - 98 Impedance - 32 ohms

Over the ear and behind the head street-style design. Lightweight open-air technology. Soft, virtually weightless foam ear cups. Cord Length - 40 inches. Weight - 3 Ounces. With a high-grade reputation for fine stereo headphones, Grado releases a model directly suited to the iPod and other portable music and video players. Retaining Grado's traditional headset appearance instead of the popular earbuds, the iGrado aims for the more discerning individual who appreciates the nuances and qualities found in recorded music. According to Grado, the iGrado uses the same acoustic drivers as their acclaimed SR-60 headphones which critic hail as the best affordable headphone. So if you're that individual who would go for a more traditional headset over the earbuds, we think you'd really appreciate the better peformance that the iGrado offers. Frequency Response - 20 Hz to 20,000Hz Sound Pressure Level (SPL) 1mV - 98 Impedance - 32 ohms

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