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Highlights:• Open-back, dynamic over-ear studio headphones• Available in 80 and 250 Ohm versions for different types of studio equipment • Frequency response of 5 - 35,000 Hz • Spacious and detailed sound reproduction for critical listening and editing • Circumaural design with soft velour ear pads • Robust spring steel headband with padding • 3.5 mm stereo jack with 6.35 mm adapter • 80 Ohm with straight cable, 250 Ohm with coiled cable Open-back studio headphones for critical listening:The Beyerdynamic DT 990 PRO are open-back, dynamic studio headphones developed for critical listening and precise editing. The open-back design differs fundamentally from closed-back studio headphones by allowing sound to pass through the ear cups. The DT 990 PRO are therefore designed with a focus on spacious and detailed reproduction, making subtle details in the audio material clearly audible.The headphones have a frequency response of 5 - 35,000 Hz, a nominal sound pressure level of 96 dB and total harmonic distortion of less than 0.2%. Beyerdynamic describes the sound reproduction as spacious and detailed with considerable tonal depth, making the model relevant for critical listening, editing and working with the stereo image. The circumaural over-ear design means that the ear pads surround the ears. Soft velour ear pads are combined with a padded headband, while the headband construction itself uses robust spring steel. The fit is designed for professional use and keeps the headphones securely in place while working. 80 Ohm - flexible version for studio use:The DT 990 PRO 80 Ohm is the lower-impedance version and is described by Beyerdynamic as the model for universal studio use. Compared with the 250 Ohm version, the lower impedance places different demands on the headphone output, making the 80 Ohm model the more flexible of the two versions when the headphones are used with different types of studio equipment.The 80 Ohm version has a 3 metre straight, single-sided cable. The cable is therefore connected to only one ear cup, making the headphones easier to handle when they frequently need to be put on and taken off. Connection is via a gold-plated 3.5 mm stereo jack, and a 6.35 mm jack adapter is included for equipment with the larger headphone output. This version has the same open-back dynamic design, frequency response of 5 - 35,000 Hz and nominal sound pressure level of 96 dB as the 250 Ohm version. The official technical documentation specifies a weight of 340 g. 250 Ohm - for professional studio equipment:The DT 990 PRO 250 Ohm is the version for professional equipment and has a nominal impedance of 250 Ohm. The higher impedance makes the choice of headphone output important, as the audio source must be capable of driving the headphones correctly. This version is therefore particularly oriented towards stationary studio setups and other professional audio equipment with a suitable headphone output.A significant physical difference between the two DT 990 PRO versions is the cable. While the 80 Ohm model has a straight cable, the 250 Ohm version comes with a 3 metre coiled cable. The coiled cable provides practical freedom of movement at the workstation while keeping part of the cable length compact when its full reach is not required. This version also uses a gold-plated 3.5 mm stereo jack and comes with a 6.35 mm adapter. The soft circumaural velour ear pads, robust spring steel headband and open-back acoustic design are shared by both versions. The official technical documentation specifies a weight of 370 g for the 250 Ohm version. Specifications:• Design: Open-back, dynamic• Fit: Circumaural over-ear • Frequency response: 5 - 35,000 Hz • Nominal sound pressure level: 96 dB • Total harmonic distortion: Less than 0.2% • Power handling capacity: 100 mW • Impedance: 80 or 250 Ohm depending on version • 80 Ohm: 3 m straight cable • 250 Ohm: 3 m coiled cable • Cable routing: Single-sided • Connection: Gold-plated 3.5 mm stereo jack • Adapter: 6.35 mm jack • Ear pads: Circumaural velour ear pads • Nominal headband pressure: Approx. 3.5 N • Weight, 80 Ohm: 340 g • Weight, 250 Ohm: 370 g • Made in Germany 
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Brand description - Beyerdynamic
Manuals and user guides for Beyerdynamic productsUnfortunately, as manufacturers do not make manuals or guides in all languages, we cannot guarantee that a local language manual is included for the item. 
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