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ReSound ONE 9 Facts: 163 Specifications & 112 Highlights

How does the ReSound ONE 9 measure up? Check out its 163 specs — especially general information, dimensions & weight, battery & power & audio performance — and why they matter.

73 Points
ReSound ONE 9

Highlights 112

No extras. Just what matters.
73 Points

Why is ReSound ONE 9 better than other hearing aids ?

General Information

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Dimensions & Weight

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Battery & Power

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Audio Performance

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Connectivity

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Features & Functions

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Comfort & Fit

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Durability & Environment

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Indicators & Alerts

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Accessories & Packaging

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Certification & Compliance

  • FDA Classification: Class II
  • RoHS Compliant with a difference of 7.0 points
  • REACH Compliant with a difference of 7.0 points
  • FDA Approved with a difference of 17.0 points
  • CE Marked with a difference of 4.0 points
  • Meets ANSI Standards with a difference of 1.0 points
  • Meets IEC Standards with a difference of 1.0 points
  • FCC Compliant
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Quick Take

The essentials that matter—nothing extra

A fast snapshot of the ReSound ONE 9, covering its standout specification and what you can expect right out of the box.

ReSound ONE 9
ReSound ONE 9

The ReSound ONE 9 is a premium hearing aid featuring the innovative MERIE (Microphone & Receiver-In-Ear) technology, which uses an extra microphone in the ear canal for a natural sound experience. With Ultra Focus and All Access Directionality, it provides superior speech clarity and spatial awareness in the most challenging environments.

Specifications & Facts 163

Specs measured. Drama avoided.

We know specs matter, so we made them make sense. From healing claims to real-life function, see how the ReSound ONE 9 stacks up.

General Information 11

ReSound ONE 9 Country of Origin

What is the country of origin?

63 ReSound ONE 9 0 Votes Denmark

66 Hearing Aids in this range China

ReSound ONE 9
ReSound ONE 9

Manufactured in Denmark, indicating high-quality European standards in hearing aid production.

Indicates where the hearing aid was manufactured, which may influence quality, regulations, and consumer trust.

ReSound ONE 9 Product Type

What is the product type?

53 ReSound ONE 9 0 Votes Receiver in Canal

53 Hearing Aids in this range Receiver in Canal

Identifies the physical type of the hearing aid.

ReSound ONE 9 Color Options

What color options are available?

81 ReSound ONE 9 0 Votes Bronze, Champagne, Deep Black, Espresso, Gold, Graphite, Sparkling Silver, Warm Grey

81 Hearing Aids in this range Beige

Available colors for the device housing.

ReSound ONE 9 Model Name

What is the model name?

61 ReSound ONE 9 0 Votes ReSound ONE 9

71 Hearing Aids in this range Pro

The commercial model identifier of the hearing aid.

ReSound ONE 9 Release Year

What is the release year?

43 ReSound ONE 9 0 Votes 2020

62 Hearing Aids in this range 2024

Year the model was introduced to market.

ReSound ONE 9 Age Group

What is the intended age group?

43 ReSound ONE 9 0 Votes Adult

44 Hearing Aids in this range Adult

Defines whether the device is designed for adults or children.

Dimensions & Weight 8

ReSound ONE 9 Width

What is the device width?

0.24 inch 0 Votes
ReSound ONE 9
0.48 inch (Average)

The width of the device measured across the side.

ReSound ONE 9 Depth

What is the device depth?

0.43 inch 0 Votes
ReSound ONE 9
0.51 inch (Average)

The depth of the device measured front to back.

ReSound ONE 9 Height

What is the device height?

0.98 inch 0 Votes
ReSound ONE 9
1.01 inch (Average)

The vertical height of the device.

ReSound ONE 9 Weight

What is the device weight?

0.01 lbs 0 Votes
ReSound ONE 9
0.04 lbs (Average)

The overall weight of the device without packaging.

ReSound ONE 9 Package Width

What is the package width?

1 inch 0 Votes
ReSound ONE 9
2.74 inch (Average)

Width of the product package for shipping and storage.

ReSound ONE 9 Package Depth

What is the package depth?

1 inch 0 Votes
ReSound ONE 9
1.95 inch (Average)

Depth of the product package.

Battery & Power 13

ReSound ONE 9 Battery Type

What type of battery does it use?

93 ReSound ONE 9 0 Votes Rechargeable

88 Hearing Aids in this range Rechargeable

ReSound ONE 9
ReSound ONE 9

The battery type is rechargeable, offering convenience and cost savings compared to disposable batteries.

Specifies the type of battery used.

ReSound ONE 9 Battery Life

What is the battery life?

30 hours 0 Votes
ReSound ONE 9
39.42 hours (Average)

ReSound ONE 9
ReSound ONE 9

Battery life is up to 30 hours on a full charge, supporting extensive daily use without frequent recharging.

Typical operational time on one charge or set of batteries.

ReSound ONE 9 Charging Port Type

What is the charging port type?

93 ReSound ONE 9 0 Votes USB C

85 Hearing Aids in this range USB C

ReSound ONE 9
ReSound ONE 9

The charging port uses USB C, providing faster, more reliable charging with a widely-used connector standard.

The connector type for charging.

ReSound ONE 9 Power Save Mode

Does it have a power save mode?

Yes 0 Votes ReSound ONE 9

Yes Hearing Aids in this range

ReSound ONE 9
ReSound ONE 9

Power save mode helps extend battery life by reducing energy consumption when full performance is not required.

Indicates if device reduces energy consumption in idle mode.

ReSound ONE 9 Battery Chemistry

What is the battery chemistry?

83 ReSound ONE 9 0 Votes Lithium Ion

76 Hearing Aids in this range Lithium Ion

Chemical composition of the battery.

ReSound ONE 9 Battery Health Indicator

Does it have a battery health indicator?

Yes 0 Votes ReSound ONE 9

Yes Hearing Aids in this range

Shows battery condition or health status.

Audio Performance 33

ReSound ONE 9 Maximum Sound Pressure Level

What is the maximum SPL?

132 dB 0 Votes
ReSound ONE 9
123.24 dB (Average)

ReSound ONE 9
ReSound ONE 9

The maximum sound pressure level is 132 dB, indicating the highest volume intensity the hearing aid can handle safely without distortion.

The highest SPL the device can reproduce safely.

ReSound ONE 9 Sound Processing Type

What type of sound processing is used?

93 ReSound ONE 9 0 Votes Digital

94 Hearing Aids in this range Digital

ReSound ONE 9
ReSound ONE 9

Utilizes digital sound processing technology, allowing precise sound customization and noise suppression.

The main type of signal processing.

ReSound ONE 9 Feedback Cancellation Strength

What is the feedback cancellation strength?

93 ReSound ONE 9 0 Votes High

83 Hearing Aids in this range High

ReSound ONE 9
ReSound ONE 9

The device features a high level of feedback cancellation strength, reducing unwanted whistling sounds efficiently.

The effectiveness of the feedback cancellation system.

ReSound ONE 9 Wind Noise Management

Does it manage wind noise?

Yes 0 Votes ReSound ONE 9

Yes Hearing Aids in this range

ReSound ONE 9
ReSound ONE 9

Wind noise management reduces disruptive wind sounds, improving hearing aid performance in outdoor environments.

Special processing to reduce wind interference.

ReSound ONE 9 Output Limiter

Does it include an output limiter?

Yes 0 Votes ReSound ONE 9

Yes Hearing Aids in this range

ReSound ONE 9
ReSound ONE 9

An output limiter prevents sudden loud sounds from damaging the user's hearing or the device.

Limits sound output to safe levels.

ReSound ONE 9 Adaptive Gain Control

Does it have adaptive gain control?

Yes 0 Votes ReSound ONE 9

Yes Hearing Aids in this range

ReSound ONE 9
ReSound ONE 9

Adaptive gain control automatically adjusts amplification based on the listening environment for a comfortable experience.

Automatically adjusts gain for different sound levels.

Connectivity 19

ReSound ONE 9 Audio Codec

Which audio codecs are supported?

53 ReSound ONE 9 0 Votes SBC, AAC, MFi, ASHA, BLE

59 Hearing Aids in this range SBC, AAC

ReSound ONE 9
ReSound ONE 9

Audio codecs supported include SBC, AAC, MFi, ASHA, and BLE, enabling compatibility with various Bluetooth devices and high-quality streaming.

Supported audio codecs for streaming.

ReSound ONE 9 Wireless Protocols

What wireless protocols are supported?

53 ReSound ONE 9 0 Votes Bluetooth, NFMI

67 Hearing Aids in this range Bluetooth

ReSound ONE 9
ReSound ONE 9

Wireless protocols supported include Bluetooth and NFMI, facilitating stable and energy-efficient wireless communication.

Lists supported wireless protocols.

ReSound ONE 9 Pairing Range

What is the pairing range?

63 ReSound ONE 9 0 Votes 10 meters

59 Hearing Aids in this range 10 meters

ReSound ONE 9
ReSound ONE 9

The pairing range is up to 10 meters, facilitating wireless connectivity to other devices within this typical room distance.

Maximum wireless connection distance.

ReSound ONE 9 App Support

Is there app support?

Yes 0 Votes ReSound ONE 9

Yes Hearing Aids in this range

ReSound ONE 9
ReSound ONE 9

App support allows the user to control the hearing aid and customize settings through a dedicated smartphone application.

Determines if a companion app is available.

ReSound ONE 9 Remote Control Compatibility

Is it compatible with remote controls?

Yes 0 Votes ReSound ONE 9

Yes Hearing Aids in this range

ReSound ONE 9
ReSound ONE 9

Compatible with remote controls, allowing users to adjust settings without handling the hearing aid directly.

Indicates if it works with physical remote controls.

ReSound ONE 9 Remote Microphone Support

Does it support remote microphones?

Yes 0 Votes ReSound ONE 9

Yes Hearing Aids in this range

ReSound ONE 9
ReSound ONE 9

Supports remote microphone accessories which can improve speech understanding in challenging environments.

Compatible with wireless remote microphones.

Features & Functions 24

ReSound ONE 9 Voice Alerts

Does it have voice alerts?

Yes 0 Votes ReSound ONE 9

Yes Hearing Aids in this range

ReSound ONE 9
ReSound ONE 9

Voice alerts notify the user with audible messages, enhancing usability and providing important device status updates.

Provides spoken alerts for status changes.

ReSound ONE 9 Geotagged Program Recall

Does it have geotagged program recall?

Yes 0 Votes ReSound ONE 9

Yes Hearing Aids in this range

ReSound ONE 9
ReSound ONE 9

Geotagged program recall allows the hearing aid to remember user preferences based on location, enhancing personalized sound settings.

Automatically recalls programs based on location.

ReSound ONE 9 Remote Fitting

Does it support remote fitting?

Yes 0 Votes ReSound ONE 9

Yes Hearing Aids in this range

ReSound ONE 9
ReSound ONE 9

Remote fitting enables audiologists to adjust the hearing aid settings remotely, enhancing service convenience for users.

Allows audiologists to adjust settings remotely.

ReSound ONE 9 Program Modes

How many program modes are available?

41 ReSound ONE 9 0 Votes Automatic,Manual Custom Programs

38 Hearing Aids in this range 4

Number of available listening programs.

ReSound ONE 9 Automatic Program Switching

Does it support automatic program switching?

Yes 0 Votes ReSound ONE 9

Yes Hearing Aids in this range

Switches programs automatically based on environment.

ReSound ONE 9 Volume Control Type

What type of volume control does it have?

58 ReSound ONE 9 0 Votes Button, App

54 Hearing Aids in this range Button

Type of volume adjustment control.

Comfort & Fit 14

ReSound ONE 9 Dome Sizes

What dome sizes are available?

38 ReSound ONE 9 0 Votes Small, Medium, Large

40 Hearing Aids in this range Small, Medium, Large

ReSound ONE 9
ReSound ONE 9

Dome sizes available include small, medium, and large to ensure a comfortable and secure fit for different ear canal sizes.

Sizes of domes provided for fit customization.

ReSound ONE 9 Ear Tip Material

What material are the ear tips made of?

33 ReSound ONE 9 0 Votes Silicone

37 Hearing Aids in this range Silicone

ReSound ONE 9
ReSound ONE 9

The ear tips are made from silicone, a flexible and comfortable material that adapts well to the ear canal.

Material of the ear tips that impacts comfort.

ReSound ONE 9 Venting Option

Does it have a venting option?

Yes 0 Votes ReSound ONE 9

Yes Hearing Aids in this range

ReSound ONE 9
ReSound ONE 9

Includes a venting option that helps reduce the occlusion effect, increasing wearing comfort.

Indicates if the device has venting to relieve ear pressure.

ReSound ONE 9 Wearing Style

What is the wearing style?

63 ReSound ONE 9 0 Votes Receiver-in-Canal

62 Hearing Aids in this range Receiver-in-Canal

Indicates how the hearing aid is worn on or in the ear.

ReSound ONE 9 Wearing Side

Which side is the device worn on?

43 ReSound ONE 9 0 Votes Left, Right

66 Hearing Aids in this range Both

Designates which ear(s) the device is worn on.

ReSound ONE 9 Retention Type

What retention type does it use?

71 ReSound ONE 9 0 Votes Sport Lock, MicroMold

42 Hearing Aids in this range None

Type of mechanism used to secure the device in place.

Durability & Environment 14

ReSound ONE 9 Drop Resistance

What is the drop resistance height?

3 ft 0 Votes
ReSound ONE 9
3.04 ft (Average)

ReSound ONE 9
ReSound ONE 9

The device has a drop resistance from a height of 3 ft (0.91 m), indicating durable construction against accidental drops.

Height from which the device can survive a drop.

ReSound ONE 9 Operating Temperature Min

What is the minimum operating temperature?

32 °F 0 Votes
ReSound ONE 9
33.65 °F (Average)

ReSound ONE 9
ReSound ONE 9

This device operates safely at a minimum temperature of 32 °F (0 °C), suitable for everyday indoor conditions.

Minimum operating temperature supported.

ReSound ONE 9 Storage Temperature Min

What is the minimum storage temperature?

-4 °F 0 Votes
ReSound ONE 9
-4.17 °F (Average)

ReSound ONE 9
ReSound ONE 9

Storage temperature minimum is -4 °F (-20 °C), enabling safe storage in cold conditions.

Minimum safe storage temperature.

ReSound ONE 9 IP Rating

What is the IP rating?

93 ReSound ONE 9 0 Votes IP68

89 Hearing Aids in this range IP68

Dust and water resistance level.

ReSound ONE 9 Dust Protection

Does it have dust protection?

Yes 0 Votes ReSound ONE 9

Yes Hearing Aids in this range

Resistance against dust and small particles.

ReSound ONE 9 Corrosion Resistance

Is it corrosion resistant?

Yes 0 Votes ReSound ONE 9

Yes Hearing Aids in this range

Protection against corrosion from moisture and sweat.

Indicators & Alerts 10

ReSound ONE 9 Program Change Indicator

Does it indicate program change?

Yes 0 Votes ReSound ONE 9

Yes Hearing Aids in this range

ReSound ONE 9
ReSound ONE 9

This hearing aid includes a program change indicator, which helps users know when the device switches between different listening programs.

Notifies the user when the listening program changes.

ReSound ONE 9 LED Indicator

Does it have an LED indicator?

Yes 0 Votes ReSound ONE 9

Yes Hearing Aids in this range

Shows whether the device has LED lights for status updates.

ReSound ONE 9 LED Indicator Type

What is the LED indicator type?

53 ReSound ONE 9 0 Votes Charging Status, Bluetooth

32 Hearing Aids in this range Power, Battery

Type of LED feedback provided.

ReSound ONE 9 Audio Alert

Does it have audio alerts?

Yes 0 Votes ReSound ONE 9

Yes Hearing Aids in this range

Indicates if the device provides beeps or tones for alerts.

ReSound ONE 9 Audio Alert Type

What audio alert types are available?

67 ReSound ONE 9 0 Votes Low Battery, Program Change, Connectivity, Volume Change, Power On/Off

73 Hearing Aids in this range Low Battery, Program Change, Connectivity, Volume Change, Power On/Off

Types of audio alerts included.

ReSound ONE 9 Voice Prompts

Does it have voice prompts?

No 0 Votes ReSound ONE 9

Yes Hearing Aids in this range

Determines if spoken notifications are provided.

Accessories & Packaging 7

ReSound ONE 9 Cable

Is a cable included?

Yes 0 Votes ReSound ONE 9

Yes Hearing Aids in this range

ReSound ONE 9
ReSound ONE 9

The hearing aid supports a physical cable connection, which can be useful for wired audio input or charging.

Indicates if cables (charging or audio) are provided.

ReSound ONE 9 Charging Case

Is a charging case included?

Yes 0 Votes ReSound ONE 9

Yes Hearing Aids in this range

Indicates if a charging case is provided.

ReSound ONE 9 Remote Control

Is a remote control included?

Yes 0 Votes ReSound ONE 9

Yes Hearing Aids in this range

Indicates if a remote control is packaged.

ReSound ONE 9 Carrying Case

Does it include a carrying case?

Yes 0 Votes ReSound ONE 9

Yes Hearing Aids in this range

A protective carrying case for storage and travel.

ReSound ONE 9 Extra Domes

Are extra domes included?

Yes 0 Votes ReSound ONE 9

Yes Hearing Aids in this range

Whether additional ear domes are provided.

ReSound ONE 9 Cleaning Tools

Are cleaning tools included?

Yes 0 Votes ReSound ONE 9

Yes Hearing Aids in this range

Indicates if cleaning tools are packaged.

Certification & Compliance 10

ReSound ONE 9 FDA Classification

What is the FDA classification?

93 ReSound ONE 9 0 Votes Class II

84 Hearing Aids in this range Class II

ReSound ONE 9
ReSound ONE 9

Classified as FDA Class II, this device meets regulatory requirements for safety and efficacy as a medical device.

Indicates regulatory class for medical devices.

ReSound ONE 9 RoHS Compliance

Is it RoHS compliant?

Yes 0 Votes ReSound ONE 9

Yes Hearing Aids in this range

ReSound ONE 9
ReSound ONE 9

Compliant with RoHS, indicating restricted use of hazardous substances in the product.

Shows if hazardous substances are restricted in materials.

ReSound ONE 9 REACH Compliance

Is it REACH compliant?

Yes 0 Votes ReSound ONE 9

Yes Hearing Aids in this range

ReSound ONE 9
ReSound ONE 9

This hearing aid complies with REACH regulations, ensuring safety and environmental standards in material usage.

Determines compliance with EU chemical safety rules.

ReSound ONE 9 FDA Approval

Is it FDA approved?

Yes 0 Votes ReSound ONE 9

Yes Hearing Aids in this range

Indicates if the device has FDA medical approval.

ReSound ONE 9 CE Marking

Does it have CE marking?

Yes 0 Votes ReSound ONE 9

Yes Hearing Aids in this range

Shows whether the device meets EU safety and performance standards.

ReSound ONE 9 ISO Certification

What ISO certifications does it have?

88 ReSound ONE 9 0 Votes ISO 13485, ISO 9001

89 Hearing Aids in this range ISO 13485, ISO 9001

International quality standards achieved.

Surveys

Because hot takes deserve votes.

ReSound ONE 9 Comfort Level

How comfortable does this hearing aid feel during daily use?

Very comfortable — Feels natural all day 0 Votes
Comfortable — Fine for most of the day 0 Votes
Tolerable — Feels okay for a few hours 0 Votes
Uncomfortable — Hard to wear for long periods 0 Votes

ReSound ONE 9 Sound Clarity

How clear and natural is the sound quality with this hearing aid?

Excellent — Very natural and easy to follow 0 Votes
Good — Clear in most situations 0 Votes
Fair — Speech is understandable but not sharp 0 Votes
Poor — Voices sound muffled 0 Votes

ReSound ONE 9 Battery Life

How long does the battery last on a single charge or use?

Extra long — Over 30 hours 0 Votes
Long — 20 to 30 hours 0 Votes
Moderate — 10 to 20 hours 0 Votes
Very short — Under 10 hours 0 Votes

ReSound ONE 9 Size and Visibility

How discreet is the size and appearance of this hearing aid?

Very discreet — Almost invisible when worn 0 Votes
Small — Hardly noticeable for most people 0 Votes
Medium — Noticeable up close 0 Votes
Bulky — Clearly noticeable 0 Votes

ReSound ONE 9 Ease of Use

How easy is it to set up and operate this hearing aid?

Effortless — Quick and hassle-free every time 0 Votes
Simple — Straightforward after first setup 0 Votes
Manageable — Works but requires patience 0 Votes
Difficult — Takes a lot of effort each time 0 Votes

ReSound ONE 9 Noise and Feedback Control

How well does this hearing aid reduce unwanted noise and feedback?

Excellent — Smooth, no distracting noise 0 Votes
Good — Mostly quiet with little interference 0 Votes
Fair — Some noise, but tolerable 0 Votes
Poor — Frequent static or whistling 0 Votes

ReSound ONE 9 Durability

How durable is this hearing aid with regular use?

Very durable — Over 5 years of use 0 Votes
Strong — Lasts 3 to 4 years 0 Votes
Average — Lasts about 1 to 2 years 0 Votes
Fragile — Breaks within 6 months 0 Votes

ReSound ONE 9 Design Appeal

How appealing is the design and style of this hearing aid?

Stylish — Sleek and very appealing 0 Votes
Modern — Clean and nice look 0 Votes
Plain — Nothing special 0 Votes
Old-fashioned — Looks outdated 0 Votes

ReSound ONE 9 Pricing

How would you describe the pricing of this hearing aid?

Great value for money 0 Votes
Pretty good price 0 Votes
Fair deal 0 Votes
Kinda pricey 0 Votes
Crazy expensive 0 Votes

ReSound ONE 9 Bluetooth and Connectivity

How reliable is the wireless connectivity and streaming function on this hearing aid?

Rock solid — Stable connection within 30 feet 0 Votes
Strong — Rare dropouts, quick pairing 0 Votes
Decent — Occasional lag or disconnection 0 Votes
Weak — Frequent drops or pairing issues 0 Votes
Unusable — Hardly connects or streams properly 0 Votes

Reviews 0

The good, the bad, and the brutally honest.

Average Rating

ReSound
ReSound
ReSound ONE 9
ReSound ONE 9
0 / 5 0 Reviews

Discussions 0

Thoughts, takes, and hot debates.

Awards 0

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Collections 0

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Contributed Users 4

Crowdsourced brilliance. Or chaos. You decide.

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User Activities 4

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ReSound ONE 9
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ReSound ONE 9