NAL-NL3 Publications
Jun-2026
Using NAL-NL3 in clinical practice: a modular NAL fitting system for real-world listening needs
The NAL-NL3 Prescription provides amplification that aligns more closely with clinical needs, improving first-fit satisfaction and clinical efficiency for a wider range of cases. The Comfort in Noise Module offers a comfort-focused amplification profile adapted for noisy environments, improving comfort and reducing listening fatigue while maintaining speech intelligibility. The Minimal Hearing Loss Module extends hearing aid fitting to adults with normal or near-normal hearing thresholds who experience hearing difficulties, providing safe access to hearing aid technologies.
Jun-2026
Evolving the Philosophy: From the NAL rule to NAL-NL3
The NAL prescriptions have evolved to address the needs of hearing aid users and advances in hearing aid technology. Independent evidence-based manufacturer-agnostic hearing aid prescription formulas still represent a key aspect of audiological practice, enabling hearing professionals to provide evidence-based individualized amplification strategies to optimize auditory outcomes.
Oct-2025
NAL-NL3 Fitting System Technical Series (Part 1)
The NAL-NL3 fitting system comprises a new core prescription, the NAL-NL3 Prescription, alongside specialized modules designed to support specific unmet needs. This three-part technical series will explore each of these components in depth.
Oct-2025
Why Do HCPs Need NAL-NL3?
NAL-NL3 introduces a modern, modular hearing aid prescription system that moves beyond population-based formulas like NAL-NL2 to deliver more personalized, context-specific, and evidence-based fittings tailored to individual listening needs.

May-2025
The new NAL-NL3 hearing aid fitting formula: An evolution and a revolution
Those behind the first new hearing aid fitting formula in 15 years, the National Acoustic Laboratories’ NAL-NL3, discuss everything audiologists

Apr-2025
New NAL-NL3 System Aims to Fill Gaps in Hearing Care for Under-Served Populations
The National Acoustic Laboratories (NAL), a global leader in hearing research, has announced the launch of its next-generation hearing aid

Mar-2025
Groundbreaking NAL-NL3 fitting formula reveals new ways of fitting hearing aids
The National Acoustic Laboratories’ long-awaited NAL-NL3 hearing aid fitting prescription formula was revealed today at the American Academy of Audiology

Mar-2025
NAL-NL3 and New Modules Introduced for More Precise and Personalized Hearing Aid Fittings
The National Acoustic Laboratories (NAL) has unveiled its first update in 15 years to the world’s most-used prescriptive hearing aid
Mar-2025
The NAL-NL3 Fitting System
For 50 years, the National Acoustic Laboratories (NAL) has been helping hearing care professionals fit personalised hearing aids with its validated hearing aid prescription formulas.
