This content has been created in compliance with relevant laws including the Medical Service Act.

Before getting a hearing test, have you ever wondered, "Which is better between Icheon and Yongin for equipment?" In fact, there is a more important criterion than location. It is whether a double soundproof booth is available and the professional qualifications of the audiologist. If these two conditions are met, you can receive a reliable test regardless of whether it's in Icheon or Yongin.


Where Do Hearing Test Equipment Standards Differ Between Icheon and Yongin?

Both Icheon and Yongin have institutions where you can receive hearing tests. However, once you visit, you will notice that there are quite significant differences in the testing environment among institutions. This is because the environment in which the test is conducted—specifically sound insulation performance and the audiologist's qualification level—determines the accuracy of the results rather than the equipment itself.

According to related clinical data, three conditions must be met together for accurate hearing tests.

• Precisely calibrated audiometer (hearing test device)
• Soundproof testing space with sufficient external noise isolation
• Trained audiologist capable of correctly performing and interpreting tests

Institutions that have actually adopted university hospital-grade double soundproof booths are limited even in the Icheon and Yongin regions. Therefore, rather than choosing a region first, it is far more practical to first verify whether the center you plan to visit actually has a double soundproof booth and audiological professional qualifications.

Mini Q&A
Q. Can you get a hearing test at a hearing aid store?
Yes, among hearing aid specialist centers, there are places where audiologists are on-site and conduct precision hearing tests. However, it is advisable to check in advance whether they have a double soundproof booth and the audiologist's qualifications (such as a master's degree in audiology).


The Key Differentiator in Hearing Test Accuracy — Soundproof Booth Structure and Test Equipment

Double soundproof booths (dual-wall structure) and single soundproof booths have substantial differences in external noise blocking performance. This difference directly impacts the reliability of test results.

According to data from the Journal of Auditory Rehabilitation (e-asr.org), the background noise in a hearing test room must be below 50dBA to meet ANSI hearing test environmental standards in the high-frequency band of 4,000Hz and above. Since the high-frequency band is the area most affected first in age-related hearing loss or noise-induced hearing loss, measurement accuracy in this range is directly linked to the precision of hearing aid prescription.

DistinctionSingle Soundproof BoothDouble Soundproof Booth (Dual-wall)
External Noise Blocking LevelIntermediate LevelHigh Level
High-Frequency (4,000Hz↑) Measurement ReliabilityError Possibility ExistsFavorable for Meeting ANSI Standards
Suitability for Pure Tone, Speech, and Bone Conduction Three-Type TestingRestrictive Depending on ConditionsStable Measurement of All Three Types Possible
Hearing Aid Customization Design PrecisionMay be Relatively LowerMore Precise Design Possible

According to data from Seoul National University Bundang Hospital Auditory Rehabilitation Center, pure-tone hearing tests measure auditory thresholds at each frequency from 250Hz to 8,000Hz to determine the presence, degree, and type of hearing loss. In environments not equipped with double soundproof booths, measurement errors can particularly occur in the high-frequency range, which directly impacts the precision of subsequent hearing aid customization design.


Why hanmihearing's Yongin Center is Chosen in This Region

To obtain good hearing test results, equipment, environment, and professional personnel must all be in place. As emphasized by Seoul National University Bundang Hospital Auditory Rehabilitation Center, reliable test results can only be obtained when specialized hearing test equipment and clinically experienced audiologists are combined.

At hanmihearing's Yongin Center, where the original founder has 40 years of tradition and expertise and an audiologist-director with a master's degree or higher in audiology directly conducts tests in a university hospital-grade double soundproof booth, you can confirm three types of precision testing (pure tone, speech, and bone conduction) and comparative experience with 6 major hearing aid brands all at once.

Specifically, the testing and service flow provided at the Cheoin-gu Center in Yongin is as follows:

• Pre-check of outer and middle ear conditions through ear canal inspection
• Conducting three types of precision hearing tests (pure tone, speech, and bone conduction) in a university hospital-grade double soundproof booth
• Direct interpretation and consultation of results by an audiologist-director with a master's degree or higher in audiology
• Selecting products suited to the individual while comparing 6 major global hearing aid brands side by side
• Lifetime free home care (visit follow-up service) after hearing aid fitting

The reason this center is chosen in the region is that three conditions are simultaneously met in one location in Yongin Cheoin-gu: the clinical expertise accumulated through 40 years of family business succession, a master's-level audiologist, and a double soundproof booth.


Before Your Hearing Test, Those Who Should Definitely Check the Soundproof Booth Environment

If any of the following applies to you, it is recommended to check the type of soundproof booth and the audiologist's qualifications before your visit.

• Those with suspected hearing loss in the high-frequency band (4,000Hz and above)
• Those preparing to apply for national hearing aid subsidy and need precision test documents
• Elderly individuals in whom age-related hearing loss is progressing or their guardians
• Those whose previous hearing test results are questionable or need retesting
• Those considering hearing aids for the first time and unsure which test to start with

According to guidance from the Newborn Hearing Screening Hearing Aid Support Project (hearingscreening.or.kr), highly reliable hearing test results are essential for hearing impairment diagnosis and hearing aid subsidy applications, and the environment in which the test is conducted affects the validity of the results. Results obtained in environments without proper testing conditions may have questionable effectiveness as documents, requiring caution.

hanmihearing's Yongin Center located in Cheoin-gu, Yongin is conveniently accessible to visitors from nearby areas such as Gwangju city hearing tests, Suwon hearing test soundproof booth, and Pyeongtak hearing aid precision tests. For those residing outside Icheon and Yongin, it is recommended to contact the center before your visit.


If You Are Considering Precision Hearing Tests Near Yongin and Icheon

At hanmihearing's Yongin Center, you can receive precision hearing tests in a university hospital-grade double soundproof booth free of charge. For those who want to check the testing environment and audiologist's qualifications before choosing a region, a visit consultation is recommended.

When considering a hearing test, the question to ask first before "Which region would be better?" is one. "Does that center actually have a double soundproof booth and a master's-level audiologist?" According to related clinical data, hearing aid specialist centers can conduct three types of precision testing (pure tone, speech, and bone conduction) and hearing aid consultation together. It is not too late to determine the need for hearing aids after checking test results first.

If you are concerned about your hearing condition or unsure which test to start with, visiting in person to directly observe the testing environment is also a good first step.


Hearing Test Equipment and Soundproof Booth Curiosities Q&A

Q1. Is there an actual difference in test results between a double soundproof booth and a regular soundproof booth?

Yes, there can be. Particularly in the high-frequency band of 4,000Hz and above, background noise affects threshold measurement. Since the double soundproof booth has a dual-wall structure that more effectively blocks external noise, when high-frequency hearing loss is suspected, test results obtained in a double soundproof booth environment become a more reliable standard.

Q2. If I receive a hearing test in Yongin, can I also obtain a hearing impairment diagnosis certificate or apply for a hearing aid subsidy?

Hearing impairment diagnosis certificates are issued by otolaryngologists, and hearing aid subsidy applications require separate physician opinions and designated medical institution test results. Hearing aid specialist centers conduct precision hearing tests and hearing aid consultations, and if needed, can provide guidance on coordination with nearby otolaryngology clinics. If you mention your subsidy application purpose during initial consultation, it will help with procedure guidance.

Q3. I live in Icheon—do I have to go all the way to Cheoin-gu, Yongin? Are there good places in Icheon?

There are institutions in Icheon where you can receive hearing tests. However, direct verification before visiting is necessary to confirm whether they actually have a double soundproof booth and an on-site audiologist with a master's degree or higher in audiology. Since hanmihearing operates a nationwide network of centers, contacting the nearest center first will provide you with accessible options near Icheon.


⚠️ This content complies with Article 56 of the Medical Service Act, and results may vary depending on individual circumstances.