510(k) Report

510(k) · Cleared

Cleared

Multiflex Tinnitus Technology

K201370510(k) SpecialCleared Jun 19, 202028-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

Starkey Laboratories, Inc. · KLW Masker, Tinnitus

Cleared on Jun 19, 2020 as substantially equivalent to K122876 (Starkey Laboratories, 2012) after a 28-day review. Its family tree reaches back 6 generations to 1998.

Decided
Jun 19, 2020
Review
28 days
Class
Class II
Product code
KLW
Recalls
None
Predicates
1

Its longest line of descent runs back 6 generations to K974501 (1998). 8 ancestors in all. No later device cites it as a predicate yet.

  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 backK122876 Multiflex Tinnitus TechnologyStarkey Laboratories · 2012
  7. This deviceK201370 Multiflex Tinnitus TechnologyStarkey Laboratories, Inc. · 2020
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—
−1K122876Multiflex Tinnitus TechnologyStarkey Laboratories2012—
0 (this device)K201370Multiflex Tinnitus TechnologyStarkey Laboratories, Inc.2020—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200120
FIG. 1 — Lineage of K201370, 1998–2020Source: 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? (1)

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
*K122876Multiflex Tinnitus Technology
Summary page 4
…– Tinnitus Masker Number and Name Device Class II Predicate: Multiflex Tinnitus TechnologyTM Predicate Device 510(k) Number: K122876 Clearance Date: 31 Oct 2012 Multiflex Tinnitus TechnologyTM (Tinnitus Multiflex…
Starkey Laboratories2012—

What descends from it?

No later submission names this one as a predicate yet.

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 22 years and passes through 6 companies; a new generation was cleared every 3.9 years on median.
  • None of the 8 ancestors has a recall.

How does its category compare?

All KLW devices

KLW Masker, Tinnitus: FDA decisions, review times, recalls and adverse event reports over 20 years. 2020, 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?

The Multiflex Tinnitus Technology is a tool to generate sounds to be used in a Tinnitus Management Program to relieve

patients suffering from tinnitus. The target population is primarily the adult population over 18 years of age.

The Multiflex Tinnitus Technology is targeted for healthcare professionals, which are treating patients suffering from

tinnitus, as well as conventional hearing disorders. The fitting of the Multiflex Tinnitus Technology must be done by a

hearing professional participating in a Tinnitus Management Program.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K201370: Multiflex Tinnitus Technology.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K201370

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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