510(k) Report

510(k) · Cleared

Cleared

Resound CC4 Personal Hearing System

K964115510(k) TraditionalCleared Nov 4, 199620-day reviewClass I21 CFR 874.3300

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

Resound Corp. · ESD Hearing Aid, Air-Conduction, Prescription

Cleared on Nov 4, 1996 as substantially equivalent to K951067 (Resound Corp., 1995) after a 20-day review. Its family tree reaches back 1 generation to 1995.

Decided
Nov 4, 1996
Review
20 days
Class
Class I
Product code
ESD
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K951067 (1995). No later device cites it as a predicate yet.

  1. Root · 1 generation backK951067 Resound ED4-C Canal Personal Hearing System W/Remote Control Option…Resound Corp. · 1995
  2. This deviceK964115 Resound CC4 Personal Hearing SystemResound Corp. · 1996
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K951067Resound ED4-C Canal Personal Hearing System W/Remote Control Option (Resound…Resound Corp.1995—
0 (this device)K964115Resound CC4 Personal Hearing SystemResound Corp.1996—
FIG. 1 — Lineage of K964115, 1995–1996Source: 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 ESD? 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 ESD device

  1. #1 K232999 Lyric4 Hearing Aidscore 8.4 · 5 generations · no Class I recall
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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
*K951067Resound ED4-C Canal Personal Hearing System W/Remote Control Option (Resound PHS ED4-C)
Summary page 1
…ND EFFECTIVENESS Substantial equivalence of the ReSound® CC4 Personal Hearing System™ to the ReSound® Personal Hearing System™ ED4-C (now known as the IC4), 510(k) No. K951067, May 12, 1995, is based on the following: e This air-conduction hearing instmméfit‘is intended to amplify sound pressure waves an…
Resound Corp.1995—

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?

  • Its one ancestor has no recall.

How does its category compare?

All ESD devices

ESD Hearing Aid, Air-Conduction, Prescription: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · ESD

1in 2024

2008: 12013: 12024: 1
2007high 1 (2008) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · ESD

Too few ESD 510(k)s in any year since 2007 to give a median.

Recalls per year · ESD

2in 2019

2010: 12018: 12019: 2
2007high 2 (2019) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · ESD

53in 2025

2007: 132008: 132009: 32010: 12011: 32012: 62013: 372014: 42015: 62016: 72017: 42018: 122019: 92020: 52021: 42022: 42023: 82024: 162025: 53
2007high 53 (2025) · low 1 (2010)2025

MAUDE reports naming product code ESD, 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
20070—013
20081—013
20090—03
20100—11
20110—03
20120—06
20131—037
20140—04
20150—06
20160—07
20170—04
20180—112
20190—29
20200—05
20210—04
20220—04
20230—08
20241—016
20250—053
20260—0—

What is it indicated for?

This air-conduction hearing instrument is intended to amplify sound pressure waves and transmit the signal to the external ear through the medium of air to compensate for hearing losses from mild to moderate.

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. “K964115: Resound CC4 Personal Hearing System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K964115

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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