![Archimago's Musings: RETRO: Beyerdynamic DT 990, 600Ω, classic open-back circumaural headphones (circa 1991). Archimago's Musings: RETRO: Beyerdynamic DT 990, 600Ω, classic open-back circumaural headphones (circa 1991).](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjxmSVROnUIfNvU9TTLTkOsxLQ5UYGFwSYlGhsVOBVDLlCBcf4DXmL_EOPtAgs73FpPMxvwcBhwJ2Kfi0Ax_v--udNIC0S3BSD8XItdx9d5on8SDzL8RgMVqycbdszS-kv9WFDLzEcGSYtn1CiOdfvGFLBWLFloeFlW8SwmR37s9GaDH5I71I8aesuZ/w1200-h630-p-k-no-nu/Beyerdynamic%20DT%20990%20-%20Headphone%20with%20Original%20Box.jpg)
Archimago's Musings: RETRO: Beyerdynamic DT 990, 600Ω, classic open-back circumaural headphones (circa 1991).
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Beyerdynamic DT990 PRO Open Dynamic Studio 250 Ohm Headphones : Amazon.co.uk: Musical Instruments & DJ
![Beyerdynamic DT990 PRO Open Dynamic Studio 250 Ohm Headphones : Amazon.co.uk: Musical Instruments & DJ Beyerdynamic DT990 PRO Open Dynamic Studio 250 Ohm Headphones : Amazon.co.uk: Musical Instruments & DJ](https://m.media-amazon.com/images/I/71nJ76WAW9L.jpg)
Beyerdynamic DT990 PRO Open Dynamic Studio 250 Ohm Headphones : Amazon.co.uk: Musical Instruments & DJ
![Custom Cans Uber DT990 headphones with modified drivers and detachable balanced litz cable ( XLR, 2.5mm, 4.4mm ) - Custom Cans Shop Custom Cans Uber DT990 headphones with modified drivers and detachable balanced litz cable ( XLR, 2.5mm, 4.4mm ) - Custom Cans Shop](https://customcans.co.uk/shop/wp-content/uploads/2015/07/DT990-Orange-and-Turquoise-1-scaled.jpg)
Custom Cans Uber DT990 headphones with modified drivers and detachable balanced litz cable ( XLR, 2.5mm, 4.4mm ) - Custom Cans Shop
![Beyerdynamic DT990 PRO Open Dynamic Studio 250 Ohm Headphones : Amazon.co.uk: Musical Instruments & DJ Beyerdynamic DT990 PRO Open Dynamic Studio 250 Ohm Headphones : Amazon.co.uk: Musical Instruments & DJ](https://m.media-amazon.com/images/I/41j9t+AB2WL._AC_.jpg)
Beyerdynamic DT990 PRO Open Dynamic Studio 250 Ohm Headphones : Amazon.co.uk: Musical Instruments & DJ
![Custom Cans Uber DT990 headphones with modified drivers and detachable balanced litz cable ( XLR, 2.5mm, 4.4mm ) - Custom Cans Shop Custom Cans Uber DT990 headphones with modified drivers and detachable balanced litz cable ( XLR, 2.5mm, 4.4mm ) - Custom Cans Shop](https://customcans.co.uk/shop/wp-content/uploads/2015/07/IMG_1614-scaled-1-590x590.jpg)