Light Weight Mono (200-0210A) Specifications Faxback Doc. # 9512 Headphones ACCESSORY: Adapter Plug:...................................1/8" mono phone jack to 1/4" mono phone plug Frequency Response:...........................................20-20,000 Hz Power Handling Capability:...........................................80 mW Impedance:.........................................................16 Ohms Weight:............................................2.7 oz. (76g) with cord (/all-01/19/95)