Logical 'Phones

Ultrasone's new PRO 900s ($599) closedback headphones offer a number of highend features, including shielding technology designed to reduce the amount of radiation directed to the listener and Ultrasone's patented S-Logi Plus technology, which reduces sound pressure on the ear drum to improve tonal perception. To help create a more neutral sound impression and a more accurate spatial field, Ultrasone acoustically redesigned the ear cups. In case you want to impress your dog, specs include a frequency response of 6Hz-to 42kHz. Ultrasoneusa.com