{"id":25863,"date":"2025-04-30T13:17:00","date_gmt":"2025-04-30T12:17:00","guid":{"rendered":"https:\/\/idigitalise.org\/earwaxspecialist\/?p=25863"},"modified":"2025-07-29T13:53:25","modified_gmt":"2025-07-29T12:53:25","slug":"hearing-aid-components-explained","status":"publish","type":"post","link":"https:\/\/idigitalise.org\/earwaxspecialist\/hearing-aid-components-explained\/","title":{"rendered":"Hearing Aid Components Explained &#8211; A Simple Guide"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_81 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/idigitalise.org\/earwaxspecialist\/hearing-aid-components-explained\/#What_Is_A_Hearing_Aid\" >What Is A Hearing Aid?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/idigitalise.org\/earwaxspecialist\/hearing-aid-components-explained\/#Microphone\" >Microphone.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/idigitalise.org\/earwaxspecialist\/hearing-aid-components-explained\/#Amplifier\" >Amplifier<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/idigitalise.org\/earwaxspecialist\/hearing-aid-components-explained\/#Receiver\" >Receiver<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/idigitalise.org\/earwaxspecialist\/hearing-aid-components-explained\/#Power_Source\" >Power Source<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/idigitalise.org\/earwaxspecialist\/hearing-aid-components-explained\/#Domes_And_Filters\" >Domes And Filters<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/idigitalise.org\/earwaxspecialist\/hearing-aid-components-explained\/#Connectivity\" >Connectivity<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/idigitalise.org\/earwaxspecialist\/hearing-aid-components-explained\/#Programming\" >Programming<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/idigitalise.org\/earwaxspecialist\/hearing-aid-components-explained\/#Conclusion_Small_Devices_Big_Punch\" >Conclusion : Small Devices Big Punch<\/a><\/li><\/ul><\/nav><\/div>\n\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"25863\" class=\"elementor elementor-25863\" data-elementor-settings=\"{&quot;ha_cmc_init_switcher&quot;:&quot;no&quot;}\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2cfe872 e-flex e-con-boxed wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no e-con e-parent\" data-id=\"2cfe872\" data-element_type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-44d2374 elementor-widget elementor-widget-text-editor\" data-id=\"44d2374\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">If you or a family member have hearing aids but want to understand the various components inside a hearing aid our lead audiologist has created this simple user guide on what a hearing aid contains and how it helps you to hear better in various listening environments.\u00a0 Below is a easy to understand guide on how a <\/span><a href=\"https:\/\/earwaxspecialist.co.uk\/hearing-aids-uk\/\"><b>hearing aids<\/b><\/a><span style=\"font-weight: 400;\"> works<\/span><\/p><h2><span class=\"ez-toc-section\" id=\"What_Is_A_Hearing_Aid\"><\/span><b>What Is A Hearing Aid?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2><p><span style=\"font-weight: 400;\">A hearing aid is a small device which amplifies your hearing to allow you to hear better. Fundamentally it will take a someone\u2019s <\/span><a href=\"https:\/\/earwaxspecialist.co.uk\/book-appointment\/\"><b>hearing test results<\/b><\/a><span style=\"font-weight: 400;\"> and apply the correct amplification in the area of your hearing which has deteriorated. Within this however you will find there is a significant level of technology packed in to the devices with noise reduction, connectivity and streaming capabilities, amongst other features all packed in to these tiny devices.<\/span><\/p><p><a href=\"https:\/\/idigitalise.org\/earwaxspecialist\/wp-content\/uploads\/2025\/07\/Blog-1-2.jpg\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-25865\" src=\"https:\/\/idigitalise.org\/earwaxspecialist\/wp-content\/uploads\/2025\/07\/Blog-1-2.jpg\" alt=\"Microphone\" width=\"1200\" height=\"667\" srcset=\"https:\/\/idigitalise.org\/earwaxspecialist\/wp-content\/uploads\/2025\/07\/Blog-1-2.jpg 1200w, https:\/\/idigitalise.org\/earwaxspecialist\/wp-content\/uploads\/2025\/07\/Blog-1-2-300x167.jpg 300w, https:\/\/idigitalise.org\/earwaxspecialist\/wp-content\/uploads\/2025\/07\/Blog-1-2-1024x569.jpg 1024w, https:\/\/idigitalise.org\/earwaxspecialist\/wp-content\/uploads\/2025\/07\/Blog-1-2-768x427.jpg 768w, https:\/\/idigitalise.org\/earwaxspecialist\/wp-content\/uploads\/2025\/07\/Blog-1-2-800x445.jpg 800w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/a><\/p><h2><span class=\"ez-toc-section\" id=\"Microphone\"><\/span><b>Microphone.<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2><p><span style=\"font-weight: 400;\">This is the most important part of a hearing aid.\u00a0 The microphone is responsible for picking up sound waves and turning those sound waves in to electrical signals.\u00a0 The great thing about microphones in hearing aids is they are adaptive directional.\u00a0 This allows speech to be picked up far more clearly even in the presence of background noise.\u00a0 The adaptive microphones are constantly changing their directionality and monitoring the environment to pick out the best speech to noise ratio allowing you to hear well in background noise.\u00a0 Furthermore as they are picking up speech they are also at the same time reducing and subduing background noise to give you that all important understanding in busy restaurants.<\/span><\/p><h2><span class=\"ez-toc-section\" id=\"Amplifier\"><\/span><b>Amplifier<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2><p><span style=\"font-weight: 400;\">Once the sound is captured by the microphones it then needs to be adequately amplified in order for you to hear the sound at the correct level.\u00a0 This is done through the amplifier or digital signal processor.\u00a0 The amplifier must increase the volume of the signal it receives from the microphone and duly also understand what sounds need to be amplified and what sounds need to be attenuated.\u00a0 An example of this within hearing loss most patients suffer with high frequency hearing loss and often hose are frequencies that need to be amplified as opposed to low frequency sounds which are often better preserved within the mechanism of hearing lss due to age.\u00a0 Therefore, the hearing aid must make the high frequency sounds louder for you to hear them and at the same time attenuate low frequency sounds which do not require as much amplification.<\/span><\/p><h2><span class=\"ez-toc-section\" id=\"Receiver\"><\/span><b>Receiver<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2><p><span style=\"font-weight: 400;\">This is the component of your hearing aid which sits inside your ear.\u00a0 This can also be called a speaker.\u00a0 This is the final delivery of the sound cleaned and processed by both the microphone and amplifier before the electrical signal is converted to a acoustic signal in your ear.\u00a0 It is important that the speaker is of a very high quality to allow for the least distortion and the best deliver of sound in your ear.\u00a0 This is sometimes where NHS hearing aids fail as they have hollow open fit tubes sending sound in to the ear canal causing standing waves and distortion of the sound.\u00a0 However, a receive or speaker reduces the distance the sound must travel to the eardrum as it is already sitting inside the ear canal allowing the acoustic sound to travel a lot less further before the eardrum is stimulated with the soundwave.<\/span><\/p><h2><span class=\"ez-toc-section\" id=\"Power_Source\"><\/span><b>Power Source<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2><p><span style=\"font-weight: 400;\">All hearing aids require a power source.\u00a0 This is usually in the form of lithium-ion batteries providing adequate charge to power all the components inside the hearing aids.\u00a0 Most lithium ion charged hearing aids from all the leading manufacturers can now last up to 48 hours on a single charge.\u00a0 Most of our patients leave the hearing aids on charge overnight ready for 24 hours of use the next day.<\/span><\/p><h2><span class=\"ez-toc-section\" id=\"Domes_And_Filters\"><\/span><b>Domes And Filters<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2><p><span style=\"font-weight: 400;\">The dome is a plastic grommet which sits on the end of the speaker allowing cushioning and comfort while the hearing aid sits in your ear.\u00a0 Think of the cushions on in ear headphones that allow the headphones to sit comfortably inside the ear.\u00a0 These are made from medical grade silicone and come in various sizes and shapes depending on the size of the ear canal.\u00a0 The filters are also in place to prevent dirt and debris getting in to the speaker and can be changed ad hoc when required.<\/span><\/p><h2><a href=\"https:\/\/idigitalise.org\/earwaxspecialist\/wp-content\/uploads\/2025\/07\/blog-2-4.jpg\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-25866\" src=\"https:\/\/idigitalise.org\/earwaxspecialist\/wp-content\/uploads\/2025\/07\/blog-2-4.jpg\" alt=\"Connectivity\" width=\"1200\" height=\"667\" srcset=\"https:\/\/idigitalise.org\/earwaxspecialist\/wp-content\/uploads\/2025\/07\/blog-2-4.jpg 1200w, https:\/\/idigitalise.org\/earwaxspecialist\/wp-content\/uploads\/2025\/07\/blog-2-4-300x167.jpg 300w, https:\/\/idigitalise.org\/earwaxspecialist\/wp-content\/uploads\/2025\/07\/blog-2-4-1024x569.jpg 1024w, https:\/\/idigitalise.org\/earwaxspecialist\/wp-content\/uploads\/2025\/07\/blog-2-4-768x427.jpg 768w, https:\/\/idigitalise.org\/earwaxspecialist\/wp-content\/uploads\/2025\/07\/blog-2-4-800x445.jpg 800w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/a><\/h2><h2><span class=\"ez-toc-section\" id=\"Connectivity\"><\/span><b>Connectivity<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2><p><span style=\"font-weight: 400;\">Most hearing aids these days are wireless allowing them to connect to Bluetooth devices.\u00a0 This allows the streaming of television or phone calls directly through the hearing aid at the level of your prescription.\u00a0 This has made taking phone calls watching the television perfectly and listening to music perfect.\u00a0 Gone are the days when you are putting a phone to your ear trying to find the closest contact to your hearing aid.\u00a0 Most devices are now also moving over to the new aura cast technology which is available in theatres banks and auditoriums allowing your hearing aids to connect automatically so you can hear a speaker or a watch a play even if you are sitting in the backrow,<\/span><\/p><h2><span class=\"ez-toc-section\" id=\"Programming\"><\/span><b>Programming<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2><p><span style=\"font-weight: 400;\">Alas the most important feature of any hearing aid is the audiologist himself.\u00a0 With all this technology it can only be utilised to its most effective capabilities if it is fitted correctly.\u00a0 A hearing aid should be fitted using best practises including real ear measurements taking accurate reading from the ear canal in order to deliver the best quality of sound.\u00a0 Even the <\/span><a href=\"https:\/\/earwaxspecialist.co.uk\/hearing-aids-uk\/\"><b>best hearing aids<\/b><\/a><span style=\"font-weight: 400;\"> with significant advancements still require sizeable adjustments after initial fit to ensure all features like noise reduction and fine tuning the prescription are undertaken to ensure optimal sound quality.\u00a0 This is where your audiologist and their experience plays a key part in ensuring the best results.\u00a0 The aftercare and ongoing maintenance of the units plays a significant part in your overall hearing quality and experience.<\/span><\/p><h2><span class=\"ez-toc-section\" id=\"Conclusion_Small_Devices_Big_Punch\"><\/span><b>Conclusion : Small Devices Big Punch<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2><p><span style=\"font-weight: 400;\">It always amazes us how hearing aid technology has evolved and is evolving since we first started fitting hearing aids almost 20 years ago.\u00a0 The advancement in microchip capabilities has allowed for millions of processes to take effect in hearing aids every second in the device to give you optimal hearing in even the most strenuous hearing environment.\u00a0 There is no longer a need to fear the next family gathering or the next social lunch.\u00a0 With hearing devices on your ears you will tackle most of lives conversations with ease. Learn more about <\/span><a href=\"https:\/\/earwaxspecialist.co.uk\/hearing-aids-prices\/\"><b>hearing aid prices<\/b><\/a><span style=\"font-weight: 400;\"> and what they offer<\/span><\/p><p><span style=\"font-weight: 400;\">If you would like to know more then get in touch with us at the earwaxspecialist.co.uk so we can help you with your journey to better hearing.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>If you or a family member have hearing aids but want to understand the various components inside a hearing aid our lead audiologist has created this simple user guide on&hellip;<\/p>\n","protected":false},"author":5,"featured_media":25864,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-25863","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.6.1 (Yoast SEO v27.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Hearing Aid Components Explained - A Guide to How They Work<\/title>\n<meta name=\"description\" content=\"Discover the inside of hearing aids, essential part\u2014microphone, amplifier, receiver, and more\u2014and how they work together to improve your hearing - earwaxspecialist.co.uk\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hearing Aid Components Explained - A Guide to How They Work\" \/>\n<meta property=\"og:description\" content=\"Discover the inside of hearing aids, essential part\u2014microphone, amplifier, receiver, and more\u2014and how they work together to improve your hearing - earwaxspecialist.co.uk\" \/>\n<meta property=\"og:url\" content=\"https:\/\/idigitalise.org\/earwaxspecialist\/hearing-aid-components-explained\/\" \/>\n<meta property=\"og:site_name\" content=\"Ear Wax Specialist\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/earwaxspecialistbrum\/\" \/>\n<meta property=\"article:published_time\" content=\"2025-04-30T12:17:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-07-29T12:53:25+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/idigitalise.org\/earwaxspecialist\/wp-content\/uploads\/2025\/07\/banner-2.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"667\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"idigitalise idigitalise\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"idigitalise idigitalise\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/idigitalise.org\/earwaxspecialist\/hearing-aid-components-explained\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/idigitalise.org\/earwaxspecialist\/hearing-aid-components-explained\/\"},\"author\":{\"name\":\"idigitalise idigitalise\",\"@id\":\"https:\/\/idigitalise.org\/earwaxspecialist\/#\/schema\/person\/87330d2ddf97ade1f21d7f82e5d9b663\"},\"headline\":\"Hearing Aid Components Explained &#8211; 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