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Sennheiser HD650

Open Aire Hi-Fi Professional Headphone


You will be captivated by the pure and unadulterated reproduction of the HD 650 headphones. Discover the crystal clear world of sound and the ultimate in dynamics. The HD 650 have superbly low harmonic distortion and precision sound reproduction across the entire frequency range. The bass is well balanced and crisp, with authentic deep bass reproduction. The treble and mid range are well balanced and ensure superbly realistic voice reproduction.

Instrumental music is taken to a whole new level with the HD 650 headphones, which excel with their authentic reproduction of strings and wind instruments, for example. The top notes are pleasantly natural yet the lower notes are clear and vibrant. In 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, as the HD 650 also set standards in comfort and convenience.

The HD 650’s are a genuine masterpiece, which will satisfy even the most demanding listener. HD 650 – the Reference Class

Main Features:

• Top-of-the-line open, dynamic hi-fi stereo headphone
• Systems with narrow tolerances (± 1 dB), hand-picked in pairs
• High-quality titanium/silver finish
• Specially developed acoustic silk for precise, uniform attenuation over the entire area
• Specially modulated connecting cable (detachable) made from highly conductive OFC copper, Kevlar-reinforced, with very low handling noise
• Extremely lightweight aluminium voice coils ensure excellent transient response
• Exceptionally comfortable to wear due to elliptical design adapted to the shape of the ears
• 10 Hz-39.5 kHz frequency response
• 300 ohms nominal impedance
• 260 g. weight
• Dynamic, open transducer with circumaural ear coupling
• Distortion less or equal to 0.05%
• 1/4" TRS stereo connector with 3.5 mm adaptor

• Frequency response 10 – 39,500 Hz (– 10 dB) 16 – 30,000 Hz (– 3 dB)
• Transducer principle dynamic, open
• Frequency characteristic diffuse field equalized
• Nominal impedance 300 Ω
• Characteristic sound pressure level (at 1 kHz) 102 dB (1 Vrms)
• Max. nominal continuous input power 500 mW as per EN 60-268-7
• Total harmonic distortion ≤0.05 %
• Contact pressure approx. 3.4 N (± 0.3 N)
• Ear coupling circumaural
• Weight (without cable) 260 g
• Connector 1 /4“ (6.3 mm) stereo jack plug
• Adapter lead 1 /4“ → 3.5 mm stereo jack
• Cable Kevlar strengthened oxygen-free copper (OFC), 3 m

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