• About this item.
• Specially designed acoustic silk ensures precision damping over the entire frequency range and helps to reduce THD to an incredible 0.05 percent.
• Improved frequency response is 10 39,500 Hertz ( 10 dB).
• Hand selected matched driver elements; Highly optimized magnet systems for minimum harmonic and inter modulation distortion.
• High power neodymium magnets deliver maximum efficiency; 3.5 millimetre jack plug. Frequency response (Headphones):10 41000 Hz.
• Lightweight aluminum voice coils for very fast transient response.
• Cable length 118 inches.
• Specially designed acoustic silk ensures precision damping over the entire frequency range and helps to reduce THD to an incredible 0.05percent.
• Improved frequency response of 10 39,500 Hertz ( 10 dB) for rich sound.
• Hand selected matched driver elements.
• High power neodymium magnets deliver maximum efficiency.

• Imported from USA.

From the Manufacturer --------------------- Sennheiser HD 650 With the HD 650, audiophiles will experience truly unique natural sound. With sound this good, long concerts in the comfort of your home are a certainty, so the HD 650 also sets standards in comfort and convenience. The HD 650 is a genuine masterpiece, which will satisfy even the most demanding listener. HD 650 – the Reference Class. * Balanced & transparent sound * Elegant titanium-silver finish * Optimized for hi-resolution recordings * Made in Ireland Learn more about the HD 650 Features a specially modulated connecting cable (detachable) made from highly conductive OFC copper, Kevlar-reinforced, with very low handling noise, i.e. low structure-borne sound sensitivity. Features * Top-of-the-range open, dynamic hi-fi stereo headphones * Systems with narrow tolerances (± 1 dB), hand-picked in pairs * High-quality titanium/silver finish * Neodymium ferrous magnet systems ensure optimum sensitivity and an excellent dynamic response * Exceptionally natural, spatial and accurate sound * Can be directly connected to stationary hi-fi components of the highest quality, in particular SACD, DVD-A and CD players * Peace of mind - thanks to the 2-year international warranty Did you know? The HD 650 is a true audiophile headphone that features extremely lightweight aluminium voice coils to ensure excellent transient response. Sennheiser recommends this headset for... ... The HD 600 is geared for your hi-fi stereo system. Best suited for all types of audio the HD 600 is a favorite among mastering engineers worldwide. Warranty The HD 650 is covered by a 2-year international warranty. Comparison table HD 600 HD 650 Frequency response 12 - 39000 Hz 10 - 39500 Hz Impedance 300 ohms 300 ohms Transducer principle Dynamic, open Dynamic, open Sound pressure level (SPL) 97 103 dB THD, total harmonic distortion 0.1 % 0.05 % Weight w/o cable 0.57lb (260 g) 0.57lb (260 g) Contact pressure ca. 2,5 N ca. 2,5 N Ear coupling Circumaural Circumaural Jack plug 1/4" / 1/8" (3.5/6.3 mm) stereo 1/4" / 1/8" (3.5/6.3 mm) stereo Warranty 2 Years 2 Years Why Sennheiser ? For over 60 years every Sennheiser mic or headphone comes with a built-in mission: to stay true to the sound and soul the music was given by its artist. From the fragile intimacy of a whispered word to the deep and dark punch of an attacking bassline. Sennheiser delivers pure emotion and excitement. A quality that has convinced a broad spectrum of artists and of course music lovers all over the world. Sennheiser offers a great experience for everyone who really wants to hear. What's in the box? * HD 650 * 1 adaptor to 1/4" (6.3 mm)