Cardiology IV Black Tube Brass Finish 6164

*Outstanding acoustics with better audibility of high-frequency sounds (adult side, firm pressure)
*Tunable diaphragm: Hear high or low frequency sounds by slightly adjusting pressure on the chestpiece
*Dual-lumen tubing: Two sound paths in one tube eliminates the rubbing noise of traditional double tubes
*Next-generation tubing lasts longer and resists stains. Not made with natural rubber latex or phthalate plasticizers

Specification- 
*Chestpiece Technology Double Sided
*Chestpiece Weight (metric) 87 g
*Colour - Black Tube
*Colour Group - Black Tube
*Diameter (Metric) 4.3 cm
*Diaphragm Diameter (metric) 4.3 cm
*Diaphragm Material Epoxy/Fiberglass
*Diaphragm Type Tunable, single-piece
*Ear-tip Type Soft Sealing
*Environmental claim being made Yes
*Environmental claim relates to Product
*Evidence for Claim Self Certified
*Extra Ear-tips Yes
*Headset Material Wide diameter aerospace alloy / Anodised aluminium
*Height (Metric) 20, 375
*Length (Metric) 55.8 cm, 69 cm
*Model Cardiology IV™
*Net Weight (Metric) 167 Gram, 177 Gram
*Performance 9
*Small Diaphragm Diameter (metric) 3.3 c
*Special Adaptors No
*Tube Colour Black