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600 Ohm Version - Designed for High-End Audio Applications

This is the 600 ohm version of the DT 990 Premium line, designed explicitly for high-output usage and headphone amplifiers. Conventional headphones with lower impedance ratings offer higher volumes at the same level of input, but need heavier drivers to compensate for low impedance or risk sounding muddy and distorted. The lower mass of the drivers of a higher-impedance headphone delivers unparalleled clarity and response, but takes more power to achieve the same loudness. So a higher-impedance headphone such as the 600-ohm DT 990 is ideal for use in high-end applications, where clarity and dynamic response are paramount, as well as for use with convenient headphone amplifiers like the beyerdynamic A1.
A gold plated 3.5 mm stereo jack with 1/4" inch adapter is included.

Open, On-Ear Design with Velour Earpads

The DT 990 features an open-back circumaural (over-the-ear) design for rich audio performance that's designed for critical listening. The open design of the headphones allows increased fidelity to the original recording and a more natural sound stage. The driver design of the DT 990 gives your music full reign, with natural response and crisp linearity. You'll hear every note, every beat, and every detail just as the artist originally intended.

Dynamic Transducer for Increased Fidelity and Performance

Without exception, beyerdynamic manufactures the dynamic transducer systems that go into their headphones in-house. From the magnet and diaphragm to the careful wiring and circuitry, beyerdynamic controls quality at all levels of manufacturing, ensuring superior engineering in their headphones down to the smallest detail.
An extremely strong neodymium magnet system offers the DT 990 highly detailed sound reproduction quality, and is mechanically very robust. This increased efficiency also leaves the DT 990 with greater power reserves for precise linear response that is especially suited for high-performance audio applications where precise audio reproduction is the most important consideration, and dedicated equipment is available such as a headphone amplifier. The large 600-ohm voice coil provides unrivaled response clarity and maximum impulse fidelity.

	DT 440 Premium	DT 660 Premium	DT 860 Premium	DT 880 Premium	DT 990 Premium
Sound Characteristics	Balanced	Powerful	Crystal Clear	Neutral and Linear	Strong Bass and Treble
Application	Tablet/iPad/iPhone/ Smartphone/MP3/PC	Tablet/iPad/iPhone/ Smartphone/MP3/PC	Tablet/iPad/iPhone/ Smartphone/MP3/PC	Tablet/iPad/iPhone/ Smartphone/MP3/PC (32 ohm)	Tablet/iPad/iPhone/ Smartphone/MP3/PC (32 ohm)
				Home Hi-Fi use (250 ohm)	Home Hi-Fi use (250 ohm)
				High End use (600 ohm)	High End use (600 ohm)
Construction	Open	Closed	Open	Semi-Open	Open
Headband	Foldable Plastic Headband with 90 degree swiveling earcups	Foldable Plastic Headband with 90 degree swiveling earcups	Foldable Plastic Headband with 90 degree swiveling earcups	Spring steel headband	Spring steel headband
Included Carry Case			Leatherette carrying bag	Leatherette carrying bag	Leatherette carrying bag
Cable Length	10 ft / 3 m	10 ft / 3 m	10 ft / 3 m	10 ft / 3 m	10 ft / 3 m
Included Accessories	Single-sided cable Gold-plated stereo jack plug, 3.5 mm Screwable 6.35" / 1/4" adaptor	Singled-sided cable Gold-plated stereo jack plug 3.5 mm Screwable 6.35" / 1/4" adaptor	Singled-sided cable Gold-plated stereo jack plug 3.5 mm Screwable 6.35" / 1/4" adaptor	Singled-sided cable Gold-plated stereo jack plug 3.5 mm Screwable 6.35" / 1/4" adaptor	Singled-sided cable Gold-plated stereo jack plug 3.5 mm Screwable 6.35" / 1/4" adaptor

What's in the Box

• The beyerdynamic DT 990 Headphones (600 Ohms)
• Screwable 6.35 mm / 1/4" adaptor
• Leatherette Carrying Bag

Technical Specifications

• Transmission Type: Wired
• Impedance: 600 ohms
• Frequency Response: 5 Hz - 35,000 Hz
• Sound Pressure Level: 96 dB
• Construction: Circumaural (over-the-ear)
• Cable & Plug: Straight connecting cable with mini-jack plug (3.5 mm) & 1/4" adapter (6.35 mm)
• Net Weight: 290 g