510(k) Report

510(k) · Cleared

Cleared

Tinnitus Soundsupport

K133308510(k) TraditionalCleared Mar 18, 2014141-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

Oticon A/S · KLW Masker, Tinnitus

Cleared on Mar 18, 2014 as substantially equivalent to K110932 (Gn Resound A/S, 2011) and 1 other predicate after a 141-day review. Its family tree reaches back 6 generations to 1998. 2 later devices descend from it.

Decided
Mar 18, 2014
Review
141 days
Class
Class II
Product code
KLW
Recalls
None
Predicates
2

Its longest line of descent runs back 6 generations to K974501 (1998). 12 ancestors in all. 2 later devices descend from it, 1 citing it directly.

Other ancestors, by generationDescendants, by generation 2 generations back: 2 other ancestors3 generations back: 1 other ancestor4 generations back: 2 other ancestors5 generations back: 1 other ancestor 1 generation forward: 1 descendant2 generations forward: 1 descendant K123450 · Phonak Tinnitus Balance · Phonak, LLC · 2013K110932 · Tinnitus Sound Generator Module · Gn Resound A/S · 2011K073636 · Tinnitus Sound Generator Module · Gn Resound A/S · 2008K040330 · Quiescence · Spectral Visualization & Development, Inc. · 2004K030791 · Anmp (Acoustic Neuro Modulation Protocol) · Tinnitech, Ltd. · 2003K974501 · Digital Tinnitus Masking System · Petroff Audio Technologies · 1998−50
  1. Root · 6 generations backK974501 Digital Tinnitus Masking SystemPetroff Audio Technologies · 1998
  2. 5 generations backK030791 Anmp (Acoustic Neuro Modulation Protocol)Tinnitech, Ltd. · 2003
  3. 4 generations backK040330 QuiescenceSpectral Visualization & Development, Inc. · 2004
  4. 3 generations backK073636 Tinnitus Sound Generator ModuleGn Resound A/S · 2008
  5. 2 generations backK110932 Tinnitus Sound Generator ModuleGn Resound A/S · 2011
  6. 1 generation backK123450 Phonak Tinnitus BalancePhonak, LLC · 2013
  7. This deviceK133308 Tinnitus SoundsupportOticon A/S · 2014
  8. Descendant · cites it directly · 1 of its ownK151719 REVE134Kw Ear Lab, Inc. · 2015
  9. Descendant · 2 generations on · 0 of its ownK221168 Tinnitogram Signal GeneratorGoldenear Company, Inc. · 2023

Most influential descendants

Showing 2 of 2 · See all
  • K151719REVE134Kw Ear Lab, Inc. · 2015 · cites it directly1descendant
  • K221168Tinnitogram Signal GeneratorGoldenear Company, Inc. · 2023 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−6K974501Digital Tinnitus Masking SystemPetroff Audio Technologies1998—
−5K030791Anmp (Acoustic Neuro Modulation Protocol)Tinnitech, Ltd.2003—
−4K040330QuiescenceSpectral Visualization & Development, Inc.2004—
−3K073636Tinnitus Sound Generator ModuleGn Resound A/S2008—
−2K110932Tinnitus Sound Generator ModuleGn Resound A/S2011—
−1K123450Phonak Tinnitus BalancePhonak, LLC2013—
0 (this device)K133308Tinnitus SoundsupportOticon A/S2014—
+1K151719REVE134Kw Ear Lab, Inc.2015—
+2K221168Tinnitogram Signal GeneratorGoldenear Company, Inc.2023—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200130
200510
200810
201110

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201510
202310
FIG. 1 — Lineage of K133308, 1998–2023Source: 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
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What was it cleared against? (2)

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
*K110932Tinnitus Sound Generator Module
Summary page 3
…agement process Figure 7-2. Substantial equivalence Oticon's Tinnitus SoundSupport is as safe and effective as GnResound's Tinnitus Sound Generator (K1 10932) and Phonak's Tinnitus Balance Software (K123450). As shown in the table below, Oticon's Tinnitus SoundSupport, GnResound's…
Gn Resound A/S2011—
*K123450Phonak Tinnitus Balance
Summary page 1
…on: 21 C.F.R. §874.3400 Product Code: KLW Predicate Devices: Ki110932 Tinnitus Sound Generator, GnResound K123450 Tinnitus Balance Software, Phonak Intended Use / Indications for Use Tinnitus SoundSupport is a tool intended to ge…
Phonak, LLC2013—

Also cleared against K110932: 6 other devices →

What descends from it? (2)

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

NumberDeviceApplicantDecidedDescendants
K151719REVE134Kw Ear Lab, Inc.20151

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 16 years and passes through 6 companies; a new generation was cleared every 3.1 years on median.
  • None of the 12 ancestors has a recall.
  • Of its descendants, K151719 (Kw Ear Lab, Inc., 2015) has gone furthest, with 1 descendant of its own.
  • 6 other devices also cite its predicate K110932.

How does its category compare?

All KLW devices

KLW Masker, Tinnitus: FDA decisions, review times, recalls and adverse event reports over 20 years. 2014, this device’s year, is highlighted.

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?

Tinnitus SoundSupport is a tool intended to generate sounds to provide temporary relief to patients suffering from tinnitus as part of a tinnitus management program.

The target population is the adult population (>18yrs).

Tinnitus SoundSupport is targeted for licensed hearing care professionals (audiologists, hearing aid specialists, or otolaryngologists) who are familiar with the evaluation and treatment of tinnitus and hearing losses. The fitting of Tinnitus SoundSupport must be done by a hearing care professional participating in a tinnitus management program.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K133308: Tinnitus Soundsupport.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K133308

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026