audio-technica Hi-Res corresponding Headphone SOLID BASS ATH-WS1100 53DEEP MOTION Hi-Res Audio DRIVER delivers overwhelming bass sound. 2 layered ear pads(Fitting Layer:Soft cushion material,Comfortable fit / Acoustic Layer:Hard cushion material,it makes acoustic space between the ear and the driver) Headphones fold flat for compact portability. Type: Sealed dynamic type/Driver: 53mm Output sound pressure level: 100dB/mW/ Play frequency band: 5~40,000Hz/Maximum input: 1,000mW/Impedance: 38/Weight (excluding code): about 281g/Input terminal: 3.5mm stereo mini-jack Accessories: code (removable): One out 1.2m (3.5mm gold-plated stereo mini plug L-type), porch