B71 Bone Transducer from RadioEar. Type: B71W, ROHS compliant. The long established benchmark of bone conduction performance. The B71 is handmade and hand assembled to consistently perform to an exacting standard. The B71W is identical in all aspects of the original B71 with regards to performance and materials except it does not contain lead. It was developed in response to RoHS directive 2011/65/EU.
– Impedance 10 ohms @ 1KHz
– Frequency Response: 250-4000 Hz
– Max Input Voltage: 20 dB re 1.0mW
– Biocompatibility: no biological effects as per ISO 10993-1:2009
– Weight: 24g (0.846 oz)
– Connector: receptacle for Type 31 plug