Part number: 505564

Audiophile style open back, circumaural headphone system with excellent digital wireless audio transmission delivering range up to 328ft/100m (line of sight).Connectivity Technology: Wireless

High-performance Sennheiser transducers deliver precise, detailed and dynamic sound

Multi-purpose transmitter supports both Digital and Analog Inputs in addition Automatic and Manual Level Control - also functions as 'easy-charge' cradle and docking station for the headphones

Multi-receiver transmission - transmitter supports up to two pairs of headphones simultaneously (optional HDR 185, sold separately)

Two year warranty when purchased from an authorized Sennheiser dealer. Signal-to-noise ratio: [Analog input] ALC typ. 85 dBA at 1 Vrms, MLC 䊫 90 dBA, [Digital input] > 90 dBA