Superlux HD-668B Professional Semi Open Studio Headphone

The HD668B 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 andoptimized mechanical pressure provides long-term wearing comfort.

The HD668B 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. HD668B 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 HD668B headphones are an excellent choice for a wide range of audio listening tasks and applications.

Key Features

• 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

Technical Specifications

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 inch phone adaptors
Headband Pressure
~ 3.5 newtons
Weight
222 g (7.5 ounces) without cable

Installation / Use Cases

• Professional recording studio monitoring using semi-open dynamic headphones
• Music listening applications requiring natural, spatial, and accurate sound reproduction
• Monitoring workflows needing balanced, contoured, and bass-enhanced full-range frequency response
• Personal sound source applications using the included 1-meter detachable straight cable
• Professional monitoring applications using the included 3-meter detachable straight cable
• Extended listening sessions requiring lightweight construction and optimized headband pressure

Package Contents

• Superlux HD-668B Professional Semi-Open Studio Headphone
• 1-Meter Detachable Straight Cable
• 3-Meter Detachable Straight Cable
• Protective Storage Pouch
• Gold-Plated 3.5 mm to 1/4-Inch Snap-Lock Adapters