“Impedance Tip Adapter – to use economy Eartips with ER-3A Insert Earphones – Set of 1 Right (red) and 1 Left (blue) tube” has been added to your cart. View cart Aurix Label Printer$300.00 Aurix Label Printer quantity Add to cart SKU: 100017 Category: Spare Parts Related products Replacement Front Tubes for ER-3A Insert Earphone – Set of 2 Right (red) and 2 Left (blue) tubes $20.00 Add to cart Battery Pack Kit (A/C Adapter, Charging Cradle, 2 Battery Packs) $399.00 Add to cart Battery Pack A/C Wall Adapter $175.00 Add to cart White Tube Nibbons for ER-3A Insert Earphones – 10/pack $12.00 Add to cart