Product Overview

The L8-IF is an 8 channel professional hearing aid developed for hearing aid distributors, audiology clinics, hearing centers, medical device importers and professional hearing care organizations that need more fitting capacity than the L4-IF baseline while remaining below the Standard Environment Recognition tier.

Built on the ACOD2101 intelligent multi-core DSP platform, the model provides 8 independently adjustable compression and amplification channels, 16 independently adjustable bands and 32 DSP channels. ERAC 1.0 Context Analysis Based Intelligent Multi-Compression Technology with a Dual-Knee structure provides the compression foundation.

Feedback management is provided by AFC 2.0 Adaptive Feedback Cancellation with 2 levels together with SIW technology. ENDR 1.0 Environment Detection and Noise Reduction is specified at up to 17 dB. Standard Transient Noise Management is included, while Environment Recognition and Wind Noise Management are not included.

For B2B buyers, L8-IF has a clear intermediate role: it expands the fitting structure, introduces Standard Transient Noise Management and increases the ENDR 1.0 specification from 15 dB on L4-IF to 17 dB.

Mid-Range Capacity: 8 / 16 / 32

The model provides:

• 8 independently adjustable compression and amplification channels
• 16 independently adjustable bands
• 32 DSP channels
• ACOD2101 intelligent multi-core DSP

Compared with L4-IF, fitting channels increase from 4 to 8, adjustable bands from 8 to 16 and DSP channels from 16 to 32.

For clinics and hearing centers, this creates additional adjustment capacity during professional fitting. For distributors, the 8 / 16 / 32 structure gives L8-IF a simple numerical identity that can be communicated through quotations, technical sheets and product training.

For buyers evaluating an 8 channel professional hearing aid, the increase in fitting capacity is one part of the selection logic. The addition of Standard Transient Noise Management provides a second documented difference from the entry configuration.

Standard Transient Noise Management as the Key Processing Step

L8-IF introduces Standard Transient Noise Management while retaining the lower environmental-processing category of the family.

Environment Recognition remains No, and Wind Noise Management is not included. This keeps L8-IF positioned between the simpler L4-IF platform and the broader Standard environmental configuration used by L12-IF and L16-IF.

For distributors, this staged progression is useful when organizing a four-model range. L4-IF establishes the baseline; L8-IF adds transient-noise management and greater fitting capacity; L12-IF introduces Standard Environment Recognition and Standard Wind Noise Management.

For professional buyers considering an 8 channel professional hearing aid, this creates a clear reason to select the model beyond fitting-channel count alone.

AFC 2.0 and ENDR 1.0 Processing

Feedback management is provided by AFC 2.0 Adaptive Feedback Cancellation with 2 levels. SIW technology is included.

Noise reduction is provided by ENDR 1.0, specified at up to 17 dB. Compression remains based on ERAC 1.0 Multi-Compression Technology with a Dual-Knee structure.

This processing package maintains continuity with L4-IF while introducing a larger fitting structure and Standard Transient Noise Management.

L12-IF marks the next major transition by moving to DFBC 2.0, ENDR 2.0 and Standard Environment Recognition. That distinction gives distributors a straightforward way to position L8-IF between the baseline configuration and the upper environmental-processing tier.

Electroacoustic Data for Technical Comparison

L8-IF is specified with a maximum OSPL90 of 110 dB and HFA OSPL90 of 105 dB. Maximum FOG50 is 35 dB and HFA FOG50 is 29 dB.

RTG Target and RTG Measured are both specified at 29 dB. Frequency range is 200–5000 Hz, battery current is 1.2 mA and EQ is 25 dB. THD at 500 Hz, 800 Hz and 1600 Hz is specified at 3%.

For distributors and importers, these values provide stable reference data for procurement documents and sample comparison. Because the electroacoustic profile is shared across the family, product selection can focus on fitting capacity and the processing functions that change from one configuration to the next.

For buyers evaluating an 8 channel professional hearing aid, the combination of the 8 / 16 / 32 structure, Standard Transient Noise Management and ENDR 1.0 up to 17 dB forms the main technical identity.

Professional Operating Functions

L8-IF provides 1 selectable program and includes an Internal Sound Field Assessment System and Internal Audiometer System.

Additional functions include Adjustable Turn-on Delay, Occlusion Effect Management, Low Battery Power Notification, Adjustable Notification Volume, Volume Control, FM Interface Compatibility, Auto Phone Function and Memory After Power-off.

Personalized Data Storage is specified as Standard. Nano Coating Technology is included.

These functions support professional product evaluation, fitting and routine device management across hearing centers, clinics and distributor-led programs.

B2B Product Role

As an 8 channel professional hearing aid, L8-IF is suitable for distributors, medical device importers, audiology clinics and hearing centers that need an intermediate configuration with greater fitting capacity and Standard Transient Noise Management.

Its product identity is centered on 8 fitting channels, 16 adjustable bands, 32 DSP channels, AFC 2.0 with 2 levels, ENDR 1.0 up to 17 dB and Standard Personalized Data Storage.

Within the L-IF family, L8-IF provides the bridge between the 4 / 8 / 16 baseline and the Standard environmental-processing platform introduced at L12-IF.

Technical Specifications

FAQ

How does L8-IF differ from L4-IF?

L8-IF increases fitting channels from 4 to 8, adjustable bands from 8 to 16 and DSP channels from 16 to 32. Standard Transient Noise Management is also included.

Which feedback technology is included?

AFC 2.0 Adaptive Feedback Cancellation with 2 levels is included together with SIW technology.

What is the ENDR specification?

ENDR 1.0 is specified at up to 17 dB.

Does L8-IF include Environment Recognition?

No. Environment Recognition is not included at this model level.

How many selectable programs are included?

L8-IF provides 1 selectable program.

Contact AcoSound

Evaluating an 8 channel professional hearing aid for your product range? Contact AcoSound for L8-IF specifications, samples and B2B cooperation information.