Superlux HD-668B

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The HD-668B is a semi-open dynamic headphone whose sound quality meets the demands of even professional recording studios. Its patented sturdy construction provides long-lasting durability even in challenging conditions, yet the headband's light weight and optimized mechanical pressure provides long-term wearing comfort.

The HD-668B reproduces natural, spatial and accurate sound for all types of music. It features a balanced, contoured and bass enhanced full range frequency response with authentic mid range and high frequency reproduction. HD-668B comes equipped with two detachable straight cables: the short one is one meter long for personal sound source applications and the long one is 3 meters long for professional monitoring applications. Both cables can be connected together for even more distance if desired.

Shipped with a protective storage pouch and gold-plated 3.5mm to 1/4 inch snap-lock adapters, the Superlux HD-668B headphones are an excellent choice for a wide range of audio listening tasks and applications.

  • High resolution drivers
  • Precision tuned acoustic chamber
  • Extended bass response
  • Patented durable structure
  • Comfortable, self-adjusting headband pads
  • Comfortable, long-lasting ear pads
  • Detachable, single side cables
  • Optimized headband pressure
  • Light weight
  • Type: Semi-open
  • Driver: 50mm, double dome, neodymium magnet
  • Sensitivity: 98 dB SPL, 1mW
  • Frequency Range: 10 to 30,000 Hz
  • Rated Impedance: 56 Ohms
  • THD: <0.3% @1KHz/1V
  • Max Input Power: 300 mW
  • Cords: Detachable, 1 meter and 3 meter, straight
  • Connectors and Adaptors: Gold plated stereo 3.5mm with 3.5mm to 1/4" phone adaptors
  • Headband Pressure: ~ 3.5 newtons
  • Weight: 222 g (7.5 ounces) without cable
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