Grado's open-back wireless headphones sound better than most $249 Bluetooth headphones, but just don't wear them outside

 

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· Grado's GW100 headphones combine two features that don't usually mix together — an open-back design and wireless Bluetooth support.
· The open-back design is the preferred style for professionals using headphones for reference, as it produces a detailed and accurate sound. 
· This type of headphone doesn't...