510(k) Report

510(k) · Cleared

Cleared

Hisonic-TRD Tinnitus Relief Device

K013253510(k) TraditionalCleared Apr 5, 2002189-day reviewClass II21 CFR 874.3400

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Hearing Innovations, Inc. · KLW Masker, Tinnitus

Cleared on Apr 5, 2002 as substantially equivalent to K963838 (Starkey Laboratories, Inc., 1996) and 3 other predicates after a 189-day review. Its family tree reaches back 2 generations to 1994. 1 later device descends from it.

Decided
Apr 5, 2002
Review
189 days
Class
Class II
Product code
KLW
Recalls
None
Predicates
4

Its longest line of descent runs back 2 generations to K940667 (1994). 5 ancestors in all, the oldest K791790 (1979). 1 later device descends from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 1998: 1 other ancestor1995: 1 other ancestor1979: 1 other ancestor2007: 1 descendant clearedK940667 · Starkey CE-8 TML, Starkey CE-8 TMC Air Conduction Hearing Aid · Starkey Laboratories, Inc. · 1994K963838 · Starkey TM Air Conduction Tinnitus Masker · Starkey Laboratories, Inc. · 199619801990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 3 other ancestors 1 generation forward: 1 descendant K963838 · Starkey TM Air Conduction Tinnitus Masker · Starkey Laboratories, Inc. · 1996K940667 · Starkey CE-8 TML, Starkey CE-8 TMC Air Conduction Hearing Aid · Starkey Laboratories, Inc. · 19940
  1. Root · 2 generations backK940667 Starkey CE-8 TML, Starkey CE-8 TMC Air Conduction Hearing AidStarkey Laboratories, Inc. · 1994
  2. 1 generation backK963838 Starkey TM Air Conduction Tinnitus MaskerStarkey Laboratories, Inc. · 1996
  3. This deviceK013253 Hisonic-TRD Tinnitus Relief DeviceHearing Innovations, Inc. · 2002
  4. Descendant · cites it directly · 0 of its ownK070648 The Inhibitor, Model 001Melmedtronics, Inc. · 2007

Most influential descendants

Showing 1 of 1 · See all
  • K070648The Inhibitor, Model 001Melmedtronics, Inc. · 2007 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K940667Starkey CE-8 TML, Starkey CE-8 TMC Air Conduction Hearing AidStarkey Laboratories, Inc.1994—
−1K963838Starkey TM Air Conduction Tinnitus MaskerStarkey Laboratories, Inc.1996—
0 (this device)K013253Hisonic-TRD Tinnitus Relief DeviceHearing Innovations, Inc.2002—
+1K070648The Inhibitor, Model 001Melmedtronics, Inc.2007—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
197910
199510
199810

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200710
FIG. 1 — Lineage of K013253, 1994–2007Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in KLW? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

Top candidate predicates for a new KLW device

  1. #1 K260413 Levo Gen 2 Tinnitus Therapy Systemscore 11.8 · 1 generation · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) Report

What was it cleared against? (4)

Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.

TypeNumberDeviceApplicantDecidedRecalls
*K963838Starkey TM Air Conduction Tinnitus Masker
Summary page 2
…ction Tinnitus Relief Device Classification l‘é'ame Tinhitt!lsi Masker \\\DC - 71717/630 - #919190 ¥1 | 1 : ! : OHOIBOO/HHGOJVGJ ‘ Predicate Devices K9638381 Starkey TM Air Conduction Tinnitus Masker, Starkey Labs K791790 Starkey TM-5 Behind Ear Tinnitus Masker, Starkey Labs K981704 Au…
Starkey Laboratories, Inc.1996—
*K791790Model TM5 Behind Ear Tinnitus Masker
Summary page 2
…Masker \\\DC - 71717/630 - #919190 ¥1 | 1 : ! : OHOIBOO/HHGOJVGJ ‘ Predicate Devices K9638381 Starkey TM Air Conduction Tinnitus Masker, Starkey Labs K791790 Starkey TM-5 Behind Ear Tinnitus Masker, Starkey Labs K981704 Aurex-3 Tinnitus Masker, ADM-Tronics Unlimited, Inc. K951678 HiSon…
Starkey Laboratories, Inc.1979—
*K981704AUREX-3
Summary page 2
…OJVGJ ‘ Predicate Devices K9638381 Starkey TM Air Conduction Tinnitus Masker, Starkey Labs K791790 Starkey TM-5 Behind Ear Tinnitus Masker, Starkey Labs K981704 Aurex-3 Tinnitus Masker, ADM-Tronics Unlimited, Inc. K951678 HiSonic Hearing Instrument, Hearing Innovations Incorporated Inten…
Adm Tronics Unltd, Inc.1998—
*K951678HI Sonic 2000 Digital Hearing Instrument
Summary page 2
…Air Conduction Tinnitus Masker, Starkey Labs K791790 Starkey TM-5 Behind Ear Tinnitus Masker, Starkey Labs K981704 Aurex-3 Tinnitus Masker, ADM-Tronics Unlimited, Inc. K951678 HiSonic Hearing Instrument, Hearing Innovations Incorporated Intended Use The HiSonic-TRD tinnitus masker is a wearable behind-…
Hearing Innovations, Inc.1995—

Also cleared against K963838: 3 other devices →

What descends from it? (1)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K070648The Inhibitor, Model 001Melmedtronics, Inc.20070

Has anything in its family been recalled? (0 Class I)

No FDA recall names this device.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 8 years and passes through 2 companies; a new generation was cleared every 5.4 years on median.
  • None of the 5 ancestors has a recall.
  • Of its descendants, K070648 (Melmedtronics, Inc., 2007) has gone furthest, with 0 descendants of its own.
  • 3 other devices also cite its predicate K963838.

How does its category compare?

All KLW devices

KLW Masker, Tinnitus: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · KLW

1in 2024

2007: 22008: 22009: 22010: 12011: 42012: 12013: 42014: 42015: 42016: 32017: 22018: 22020: 22023: 32024: 12026 (partial year): 2
2007high 4 (2011) · low 0 (2019)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · KLW

261in 2023

2011: 58 days median2013: 150 days median2014: 164 days median2015: 107 days median2016: 114 days median2023: 261 days median
2007high 261 (2023) · low 58 (2011)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · KLW

No recall names KLW since 2007.

Adverse event reports per year · KLW

4in 2015

2007: 12009: 12010: 12011: 12012: 12015: 4
2007high 4 (2015) · low 0 (2008)2025

MAUDE reports naming product code KLW, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20072—01
20082—00
20092—01
20101—01
201145801
20121—01
2013415000
2014416400
2015410704
2016311400
20172—00
20182—00
20190—00
20202—00
20210—00
20220—00
2023326100
20241—00
20250—00
20262—0—

What is it indicated for?

The HiSonic-TRD tinnitus masker is a wearable behind-the-ear style ultrasonic, bone conducted broadband noise and/or sweep frequency stimuli noise generator intended to generate noise of sufficient intensity and bandwidth to be used for tinnitus habituation therapy and is also suitable for tinnitus masking therapy. The HiSonic-TRD 1s intended to be used by those individuals who experience tinnitus, and do not need or desire amplification. The intended…

Read the full statement (118 words)

The HiSonic-TRD tinnitus masker is a wearable behind-the-ear style ultrasonic, bone conducted broadband noise and/or sweep frequency stimuli noise generator intended to generate noise of sufficient intensity and bandwidth to be used for tinnitus habituation therapy and is also suitable for tinnitus masking therapy. The HiSonic-TRD 1s intended to be used by those individuals who experience tinnitus, and do not need or desire amplification. The intended use of the HiSonic-TRD includes it’s fitting by a qualified audiologist or other hearing healthcare professional familiar with the diagnosis of tinnitus and subsequent rehabilitation therapies. The target population is the adult population over 18 years of age. This product is not intended for use in children under the age of 18.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K013253: Hisonic-TRD Tinnitus Relief Device.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K013253

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 30, 2026 (extraction version 2d9447fa9ea4)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026