Closed over-ear headphones for professional mixing at home or in the studio Perfect for studio recordings thanks to the their pure and high-resolution sound Hard-wearing, durable, and robust workmanship Made in Germany The world famous DT770 Pro Headphones deliver unmatched quality in sound reproduction at an incredible price. No matter your application, tracking, mixing, critical listening, even gaming, your DT770's will deliver sound you can rely on - every time. Sound - Unique design, construction and innovation give the DT770's superb sound reproduction across all frequencies. Custom built diaphrams in our production facilities in Germany deliver consistent performance to the listener Quality - DT770's have proven after over 30 years of use in the best studios and sound stages around the world that they perform to the highest level every time. Included components: 3.5mm to 1/4" adapter Connectivity technology: Wired This pre-owned or refurbished product has been professionally inspected and tested to work and look like new. How a product becomes part of Amazon Renewed, your destination for pre-owned, refurbished products: A customer buys a new product and returns it or trades it in for a newer or different model. That product is inspected and tested to work and look like new by Amazon-qualified suppliers. Then, the product is sold as an Amazon Renewed product on Amazon. If not satisfied with the purchase, renewed products are eligible for replacement or refund under the Amazon Renewed Guarantee.