View cart “Otodynamic Test Cavity” has been added to your cart. Impedance Tip Adapter – to use economy Eartips with ER-3A Insert Earphones – Set of 1 Right (red) and 1 Left (blue) tube$30.00 Impedance Tip Adapter - to use economy Eartips with ER-3A Insert Earphones - Set of 1 Right (red) and 1 Left (blue) tube quantity Add to cart SKU: ER3-06(ABR) Categories: Spare Parts, Spare Parts G1/G2 Related products White Tube Nibbons for ER-3A Insert Earphones – 10/pack $12.00 Add to cart Aurix Amplifier $1,000.00 Add to cart Battery Packs x 2 $175.00 Add to cart Aurix Amplifier Lead Cable $150.00 Add to cart