Solar Ear Hearing Aid HD-USB-43
The HD-USB-43 Hearing Aid is an affordable, USB charged solution to hearing loss.
The Solar Ear HD USB-43 is a behind the ear hearing aid designed to be affordable and sustainable. The battery is rechargeable and uses a USB connection.
Goal 3: Good health and well-being
Adults and children with hearing loss who otherwise would not have access to hearing aids
Solar Ear manufactures all of their products in their factories in Brazil, Botswana, and China.
Open source. Solar Ear does not have patent protection.
Solar Ear hearing aids are sold by distributors in 40 countries. Contacts for these distributors are listed here.
The most sound that the hearing aid will make with 90dB input
Average level of just the high frequencies with 90 dB input
Average full-on gain, which is defined as the gain control of the hearing aid set to its full-on position with an input SPL of 50 dB.Display order
How well the aid is able to reproduce sound clearly
Noise level output
Number of channels available for programming
Provides information to user on how long it will take for battery to die
Used to switch between multiple programs in order to optimize hearing aid for different environments
An additional setting on some hearing aids
The Solar Ear USB-HD-43 is a behind the ear hearing aid designed for people with mild to moderate hearing loss. The device is powered by a lithium polymer battery which requires two hours of charging to last 16-20 hours. The aid can be charged from any USB port. The USB-HD-43 can store two listening programs using the memory switch.
The first line of support for the USB-HD-43 is this user manual. The hearing programs must be set by a healthcare professional.
While the product is under warranty it can be sent to Solar Ear for repair. Replacement batteries are also available.
The battery can be charged 500 times without degradation.
Solar Ear ran a clinical trial on their behind the ear aid with Bispebjerg Hospital which showed that participants had increased hearing in the desired frequency range.
Solar Ear, Department of Audiology: Bispebjerg Hospital, FDA
Patients with a middle-ear infection are cautioned not to use this product until cured, unless instructed otherwise by a doctor.
USB charging ports are needed to receive the device.
Parving, A., Christensen, B., Nielsen, J., Konrádsson, K., 2005, Clinical Trial of a Low-Cost, High Power Compression Hearing Aid, Audiological Medicine, 3(2), pp.76–81.
Humphreys, G., 2013, Technology Transfer Aids Hearing, Bulletin of the World Health Organization, 91(7), pp. 471–472.
The Solar Ear USB-HD-43 bears the CE mark and is FDA approved.
The hearing aid was evaluated using the IOI-HA form. This form has 7 questions about product satisfaction and limitations in activity. The responses are graded on a scale of 1-5, where 5 is the maximum score. At the end of testing the subject marks a preference for the test-hearing aid or the previously fitted hearing aid.
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