Product overview E-A-RLink 3A foam insert eartips are disposable, single-use audiometric eartips designed to couple insert earphones directly to the test subject's ear canal during clinical hearing assessment. Intended for use in audiometry, ABR, and other clinical hearing measurement workflows in audiology clinics, ENT practices, occupational health centres, hospitals, and resale environments. Supplied in a value pack of 750 pcs for high-volume clinical use. Key specifications Product category: Audiometric accessory Product type: Disposable foam insert eartip with black tube Colour: Yellow Size: Standard, adult Height: 1/2 inch (approx. 12.7 mm) Diameter: 13.7 mm Material: Slow-recovery foam, latex-free Use: Single-use, single-patient Pack size: 750 pcs (value pack) Application: Audiometric testing, ABR measurement, clinical hearing assessment Compatibility Compatible with: insert earphones using the standard 3A/5A black-tube interface for audiometry and ABR Confirmed compatibility includes: 3M E-A-RTONE 3A insert earphones 3M E-A-RTONE 5A insert earphones Etymotic Research ER-3A and ER-3C insert earphones Radioear IP30 insert earphones (10 Ohm and 50 Ohm) Grason-Stadler GSI Audera (insert earphone configuration) Broader use: Suitable for audiometers, ABR systems, and clinical hearing assessment platforms equipped with 3A/5A or IP30 insert earphones, including systems from Grason-Stadler, Interacoustics, Natus / Madsen, MAICO, MedRx, and others, when the insert earphone uses the 3A/5A foam-tip interface Not suitable for: OAE probes, tympanometry probes (e.g. Interacoustics AT235, MAICO Eroscan), or supra-aural / circumaural headphones, which use different eartip formats Compatibility note: Compatibility depends on the insert earphone model in use, not the audiometer brand alone. Confirm the insert earphone interface before ordering. Variants and dimensions Variant: 3A Yellow – Standard, Adult Size Dimensions: 1/2 inch (12.7 mm) height × 13.7 mm diameter Pack configuration: 750 pcs per value pack Packaging and logistics Packaging format: Bulk value pack for clinic, hospital, and reseller use Estimated package dimensions: approx. 30 x 25 x 18 cm Storage note: Store in original packaging in a clean, dry environment at room temperature. Logistics note: Lightweight consumable suitable for routine high-volume stock holding in audiology clinics, ENT practices, occupational health units, hospitals, and reseller channels. Technical notes Function: Couples insert earphones directly to the test subject's ear canal to deliver calibrated test signals during audiometric measurement Material profile: Manufactured from the same slow-recovery foam used in 3M Classic Yellow and Beige earplugs, a material with more than 30 years of market presence and supported by extensive toxicological testing Hygiene profile: Designed for single-patient, single-use only. Eartips should not be cleaned, reused, or transferred between patients Latex content: Latex-free Clinical advantages over supra-aural / TDH-style headphones: Improved ambient noise attenuation Greater interaural attenuation Facilitated infection control through disposable single-use eartips Elimination of collapsed canal artifact Better test/re-test reliability Reduced occlusion effect for bone-conduction (BC) testing Use environment: Suitable for routine audiometric testing, ABR, and clinical hearing assessment in clinics, hospitals, occupational health units, and reseller channels Designed for B2B Customers E-A-RLink 3A Insert Eartips in yellow are a high-volume disposable consumable for audiometric testing workflows. The 750-piece value pack is suitable for audiology clinics, ENT practices, occupational health providers, hospitals, and resellers managing recurring demand for single-use audiometric eartips.
