Digital Pre-Amplifier Interface for BMW DSP audio upgrade with ID7/ID8/8.5

--> <div class="wpb-content-wrapper"><div data-vc-full-width="true" data-vc-full-width-temp="true" data-vc-full-width-init="false" class="vc_row wpb_row vc_row-fluid"><div class="wpb_column vc_column_container vc_col-sm-12"><div class="vc_column-inner"><div class="wpb_wrapper"><div class="vc_empty_space" style="height: 32px"><span class="vc_empty_space_inner"></span></div> <div class="wpb_text_column wpb_content_element" > <div class="wpb_wrapper"> <h3 class="elementor-heading-title elementor-size-default" style="text-align: center;">Non-destructive upgrade easy to operate</h3> </div> </div> <div class="vc_empty_space" style="height: 32px"><span class="vc_empty_space_inner"></span></div><div class="vc_row wpb_row vc_inner vc_row-fluid"><div class="wpb_column vc_column_container vc_col-sm-4"><div class="vc_column-inner"><div class="wpb_wrapper"> <div class="wpb_single_image wpb_content_element vc_align_center wpb_content_element"> <figure class="wpb_wrapper vc_figure"> <div class="vc_single_image-wrapper vc_box_border_grey"><img decoding="async" class="vc_single_image-img " src="https://www.audiofile-incar.co.uk/wp-content/uploads/2024/09/OABR-the-input-new-200x150.webp" width="200" height="150" alt="OABR-the-input-new" title="OABR-the-input-new" loading="lazy" /></div> </figure> </div> <div class="wpb_text_column wpb_content_element" > <div class="wpb_wrapper"> <h3 class="elementor-heading-title elementor-size-default" style="text-align: center;">Ethernet input</h3> </div> </div> </div></div></div><div class="wpb_column vc_column_container vc_col-sm-4"><div class="vc_column-inner"><div class="wpb_wrapper"> <div class="wpb_single_image wpb_content_element vc_align_center wpb_content_element"> <figure class="wpb_wrapper vc_figure"> <div class="vc_single_image-wrapper vc_box_border_grey"><img decoding="async" class="vc_single_image-img " src="https://www.audiofile-incar.co.uk/wp-content/uploads/2024/09/Original-car-interface-control--200x150.webp" width="200" height="150" alt="Original-car-interface-control-" title="Original-car-interface-control-" loading="lazy" /></div> </figure> </div> <div class="wpb_text_column wpb_content_element" > <div class="wpb_wrapper"> <h3 class="elementor-heading-title elementor-size-default" style="text-align: center;">Original car interface control</h3> </div> </div> </div></div></div><div class="wpb_column vc_column_container vc_col-sm-4"><div class="vc_column-inner"><div class="wpb_wrapper"> <div class="wpb_single_image wpb_content_element vc_align_center wpb_content_element"> <figure class="wpb_wrapper vc_figure"> <div class="vc_single_image-wrapper vc_box_border_grey"><img decoding="async" class="vc_single_image-img " src="https://www.audiofile-incar.co.uk/wp-content/uploads/2024/09/Preserve-all-media-tones-new-200x150.webp" width="200" height="150" alt="Preserve-all-media-tones-new" title="Preserve-all-media-tones-new" loading="lazy" /></div> </figure> </div> <div class="wpb_text_column wpb_content_element" > <div class="wpb_wrapper"> <h3 class="elementor-heading-title elementor-size-default" style="text-align: center;">Preserve all media tones</h3> </div> </div> </div></div></div></div><div class="vc_empty_space" style="height: 32px"><span class="vc_empty_space_inner"></span></div><div class="vc_row wpb_row vc_inner vc_row-fluid"><div class="wpb_column vc_column_container vc_col-sm-4"><div class="vc_column-inner"><div class="wpb_wrapper"> <div class="wpb_single_image wpb_content_element vc_align_center wpb_content_element"> <figure class="wpb_wrapper vc_figure"> <div class="vc_single_image-wrapper vc_box_border_grey"><img decoding="async" class="vc_single_image-img " src="https://www.audiofile-incar.co.uk/wp-content/uploads/2024/09/Enhanced-Audio-Quality-new-200x150.webp" width="200" height="150" alt="Enhanced-Audio-Quality-new" title="Enhanced-Audio-Quality-new" loading="lazy" /></div> </figure> </div> <div class="wpb_text_column wpb_content_element" > <div class="wpb_wrapper"> <h3 class="elementor-heading-title elementor-size-default" style="text-align: center;">Enhanced Audio Quality</h3> </div> </div> </div></div></div><div class="wpb_column vc_column_container vc_col-sm-4"><div class="vc_column-inner"><div class="wpb_wrapper"> <div class="wpb_single_image wpb_content_element vc_align_center wpb_content_element"> <figure class="wpb_wrapper vc_figure"> <div class="vc_single_image-wrapper vc_box_border_grey"><img decoding="async" class="vc_single_image-img " src="https://www.audiofile-incar.co.uk/wp-content/uploads/2024/09/Audio-decoding-new-200x150.webp" width="200" height="150" alt="Audio-decoding-new" title="Audio-decoding-new" loading="lazy" /></div> </figure> </div> <div class="wpb_text_column wpb_content_element" > <div class="wpb_wrapper"> <h3 class="elementor-heading-title elementor-size-default" style="text-align: center;">Audio decoding</h3> </div> </div> </div></div></div><div class="wpb_column vc_column_container vc_col-sm-4"><div class="vc_column-inner"><div class="wpb_wrapper"> <div class="wpb_single_image wpb_content_element vc_align_center wpb_content_element"> <figure class="wpb_wrapper vc_figure"> <div class="vc_single_image-wrapper vc_box_border_grey"><img decoding="async" class="vc_single_image-img " src="https://www.audiofile-incar.co.uk/wp-content/uploads/2024/09/Front-and-rear-audio-output-new-200x150.webp" width="200" height="150" alt="Front-and-rear-audio-output-new" title="Front-and-rear-audio-output-new" loading="lazy" /></div> </figure> </div> <div class="wpb_text_column wpb_content_element" > <div class="wpb_wrapper"> <h3 class="elementor-heading-title elementor-size-default" style="text-align: center;">Front and rear audio output</h3> </div> </div> </div></div></div></div><div class="vc_empty_space" style="height: 32px"><span class="vc_empty_space_inner"></span></div></div></div></div></div><div class="vc_row-full-width vc_clearfix"></div><div data-vc-full-width="true" data-vc-full-width-temp="true" data-vc-full-width-init="false" class="vc_row wpb_row vc_row-fluid vc_custom_1747739692618 vc_row-has-fill"><div class="wpb_column vc_column_container vc_col-sm-12"><div class="vc_column-inner"><div class="wpb_wrapper"><div class="vc_empty_space vc_custom_1747739785324" style="height: 2px"><span class="vc_empty_space_inner"></span></div></div></div></div></div><div class="vc_row-full-width vc_clearfix"></div><div data-vc-full-width="true" data-vc-full-width-temp="true" data-vc-full-width-init="false" class="vc_row wpb_row vc_row-fluid vc_custom_1747739692618 vc_row-has-fill"><div class="wpb_column vc_column_container vc_col-sm-12"><div class="vc_column-inner"><div class="wpb_wrapper"><div class="vc_empty_space" style="height: 32px"><span class="vc_empty_space_inner"></span></div> <div class="wpb_single_image wpb_content_element vc_align_center wpb_content_element"> <figure class="wpb_wrapper vc_figure"> <div class="vc_single_image-wrapper vc_box_border_grey"><img decoding="async" class="vc_single_image-img " src="https://www.audiofile-incar.co.uk/wp-content/uploads/2024/09/1-sj-new.webp" width="1280" height="1230" alt="1-sj-new" title="1-sj-new" loading="lazy" /></div> </figure> </div> <div class="vc_empty_space" style="height: 32px"><span class="vc_empty_space_inner"></span></div></div></div></div></div><div class="vc_row-full-width vc_clearfix"></div><div data-vc-full-width="true" data-vc-full-width-temp="true" data-vc-full-width-init="false" class="vc_row wpb_row vc_row-fluid vc_custom_1747740037420 vc_row-has-fill"><div class="wpb_column vc_column_container vc_col-sm-12"><div class="vc_column-inner"><div class="wpb_wrapper"><div class="vc_empty_space vc_custom_1747739785324" style="height: 2px"><span class="vc_empty_space_inner"></span></div></div></div></div></div><div class="vc_row-full-width vc_clearfix"></div><div data-vc-full-width="true" data-vc-full-width-temp="true" data-vc-full-width-init="false" class="vc_row wpb_row vc_row-fluid vc_custom_1747739835590 vc_row-has-fill"><div class="wpb_column vc_column_container vc_col-sm-12"><div class="vc_column-inner"><div class="wpb_wrapper"><div class="vc_empty_space" style="height: 32px"><span class="vc_empty_space_inner"></span></div> <div class="wpb_text_column wpb_content_element" > <div class="wpb_wrapper"> <div class="elementor-element elementor-element-17d4421 elementor-widget elementor-widget-text-editor" data-id="17d4421" data-element_type="widget" data-widget_type="text-editor.default"> <div class="elementor-widget-container"> <p style="text-align: center;"><strong> </strong><strong>An effortless choice for upgrading BMW audio quality, compatible with all top brands of DSP amplifiers</strong></p> </div> </div> <div class="elementor-element elementor-element-c60c402 elementor-widget elementor-widget-text-editor" data-id="c60c402" data-element_type="widget" data-widget_type="text-editor.default"> <div class="elementor-widget-container"> <p style="text-align: center;">Installing Pre-amplifier interface box to enhance your driving experience with our premium BMW audio upgrade services.</p> <p style="text-align: center;">Elevate your sound system with top-notch BMW amplifier, ensuring a superior audio quality.</p> <p style="text-align: center;">Our specialized BMW sound upgrade, featuring advanced DSP amplifiers, takes your in-car audio to a new level.</p> </div> </div> </div> </div> <div class="vc_empty_space" style="height: 32px"><span class="vc_empty_space_inner"></span></div> <div class="wpb_single_image wpb_content_element vc_align_center wpb_content_element"> <figure class="wpb_wrapper vc_figure"> <div class="vc_single_image-wrapper vc_box_border_grey"><img decoding="async" class="vc_single_image-img " src="https://www.audiofile-incar.co.uk/wp-content/uploads/2024/09/对比图-new-1536x925-1.webp" width="1536" height="925" alt="对比图-new-1536x925" title="对比图-new-1536x925" loading="lazy" /></div> </figure> </div> </div></div></div></div><div class="vc_row-full-width vc_clearfix"></div><div data-vc-full-width="true" data-vc-full-width-temp="true" data-vc-full-width-init="false" class="vc_row wpb_row vc_row-fluid vc_custom_1747740021844 vc_row-has-fill"><div class="wpb_column vc_column_container vc_col-sm-12"><div class="vc_column-inner"><div class="wpb_wrapper"><div class="vc_empty_space vc_custom_1747739785324" style="height: 2px"><span class="vc_empty_space_inner"></span></div></div></div></div></div><div class="vc_row-full-width vc_clearfix"></div><div data-vc-full-width="true" data-vc-full-width-temp="true" data-vc-full-width-init="false" class="vc_row wpb_row vc_row-fluid vc_custom_1747739999059 vc_row-has-fill"><div class="wpb_column vc_column_container vc_col-sm-12"><div class="vc_column-inner"><div class="wpb_wrapper"><div class="vc_empty_space" style="height: 32px"><span class="vc_empty_space_inner"></span></div><div class="vc_row wpb_row vc_inner vc_row-fluid"><div class="wpb_column vc_column_container vc_col-sm-4"><div class="vc_column-inner"><div class="wpb_wrapper"> <div class="wpb_single_image wpb_content_element vc_align_center wpb_content_element wpb_animate_when_almost_visible wpb_zoomIn zoomIn"> <figure class="wpb_wrapper vc_figure"> <div class="vc_single_image-wrapper vc_box_border_grey"><img decoding="async" class="vc_single_image-img " src="https://www.audiofile-incar.co.uk/wp-content/uploads/2024/09/2-new-1-640x800-1.webp" width="640" height="800" alt="2-new-1-640x800" title="2-new-1-640x800" loading="lazy" /></div> </figure> </div> </div></div></div><div class="wpb_column vc_column_container vc_col-sm-8"><div class="vc_column-inner"><div class="wpb_wrapper"> <div class="wpb_text_column wpb_content_element" > <div class="wpb_wrapper"> <div class="elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-af754a9" data-id="af754a9" data-element_type="column"> <div class="elementor-widget-wrap elementor-element-populated"> <div class="elementor-element elementor-element-2291a0e elementor-widget__width-initial elementor-widget-mobile__width-initial elementor-widget elementor-widget-text-editor" data-id="2291a0e" data-element_type="widget" data-widget_type="text-editor.default"> <div class="elementor-widget-container"> <p><span style="color: #ffffff;">In car audio retrofit, the quality of the sound source is the most important factor. Due to the different high/medium/low configurations of luxury cars, the power amplifier of the head unit on some low and medium configuration cars can’t meet the requirements of audiophiles. The sound source part has been processed by default tuning and power amplification during output, and the output is a high-level sound signal.</span></p> </div> </div> <div class="elementor-element elementor-element-756d11f elementor-widget__width-initial elementor-widget-mobile__width-initial elementor-widget elementor-widget-text-editor" data-id="756d11f" data-element_type="widget" data-widget_type="text-editor.default"> <div class="elementor-widget-container"> <p><span style="color: #ffffff;"> The function of the audio box is to separate the processing commands of the host for audio data, such as volume,</span></p> </div> </div> </div> </div> <div class="elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-ea115d7" data-id="ea115d7" data-element_type="column"> <div class="elementor-widget-wrap elementor-element-populated"> <div class="elementor-element elementor-element-7e1491c elementor-widget__width-initial elementor-widget-mobile__width-initial elementor-widget elementor-widget-text-editor" data-id="7e1491c" data-element_type="widget" data-widget_type="text-editor.default"> <div class="elementor-widget-container"> <p><span style="color: #ffffff;"> sound effects, etc., and discard the original car power amplifier. It outputs general-purpose optical fiber/coaxial sound signals in the format required by professional audio equipment, thereby completing the conversion of car-specific network data to professional audio data. In this way, the unprocessed original sound source can be obtained, and at the same time, an external high-quality sound source can be added to match with the retrofit aftermarket power amplifier (with digital DSP function, supporting common optical fiber/coaxial signals), thereby bringing a perfect sound modification effect.</span></p> </div> </div> </div> </div> </div> </div> </div></div></div></div><div class="vc_empty_space" style="height: 32px"><span class="vc_empty_space_inner"></span></div></div></div></div></div><div class="vc_row-full-width vc_clearfix"></div><div data-vc-full-width="true" data-vc-full-width-temp="true" data-vc-full-width-init="false" class="vc_row wpb_row vc_row-fluid vc_custom_1747740021844 vc_row-has-fill"><div class="wpb_column vc_column_container vc_col-sm-12"><div class="vc_column-inner"><div class="wpb_wrapper"><div class="vc_empty_space vc_custom_1747739785324" style="height: 2px"><span class="vc_empty_space_inner"></span></div></div></div></div></div><div class="vc_row-full-width vc_clearfix"></div><div data-vc-full-width="true" data-vc-full-width-temp="true" data-vc-full-width-init="false" class="vc_row wpb_row vc_row-fluid vc_custom_1747743198278 vc_row-has-fill"><div class="wpb_column vc_column_container vc_col-sm-12"><div class="vc_column-inner"><div class="wpb_wrapper"><div class="vc_empty_space" style="height: 32px"><span class="vc_empty_space_inner"></span></div><div class="vc_row wpb_row vc_inner vc_row-fluid"><div class="wpb_column vc_column_container vc_col-sm-8"><div class="vc_column-inner"><div class="wpb_wrapper"> <div class="wpb_text_column wpb_content_element" > <div class="wpb_wrapper"> <div class="elementor-element elementor-element-970927f elementor-widget elementor-widget-heading" data-id="970927f" data-element_type="widget" data-widget_type="heading.default"> <div class="elementor-widget-container"> <h3 class="elementor-heading-title elementor-size-default">Lossless upgrade better quality</h3> </div> </div> <div class="elementor-element elementor-element-83ba959 elementor-widget__width-initial elementor-widget-mobile__width-initial elementor-widget elementor-widget-text-editor" data-id="83ba959" data-element_type="widget" data-widget_type="text-editor.default"> <div class="elementor-widget-container"> <p>Keep all the functions of the original car: Bluetooth, WIFI, USB, DVD/CD, radio, reversing radar, navigation, favorites, parking reminder and other sounds and functions.</p> <p>Upgrade your BMW audio system seamlessly with our “Pre-amplifier interface box for BMW .” This innovative interface box serves as the bridge to elevate your in-car audio experience. Pair it with our premium BMW AMPLIFIER for a crystal-clear sound upgrade.</p> </div> </div> </div> </div> </div></div></div><div class="wpb_column vc_column_container vc_col-sm-4"><div class="vc_column-inner"><div class="wpb_wrapper"><div class="vc_empty_space" style="height: 32px"><span class="vc_empty_space_inner"></span></div><div class="vc_empty_space" style="height: 32px"><span class="vc_empty_space_inner"></span></div> <div class="wpb_single_image wpb_content_element vc_align_center wpb_content_element wpb_animate_when_almost_visible wpb_zoomIn zoomIn"> <figure class="wpb_wrapper vc_figure"> <div class="vc_single_image-wrapper vc_box_border_grey"><img decoding="async" class="vc_single_image-img " src="https://www.audiofile-incar.co.uk/wp-content/uploads/2024/09/3-new-3.webp" width="1200" height="800" alt="3-new-3" title="3-new-3" loading="lazy" /></div> </figure> </div> </div></div></div></div><div class="vc_empty_space" style="height: 32px"><span class="vc_empty_space_inner"></span></div></div></div></div></div><div class="vc_row-full-width vc_clearfix"></div><div data-vc-full-width="true" data-vc-full-width-temp="true" data-vc-full-width-init="false" class="vc_row wpb_row vc_row-fluid vc_custom_1747740021844 vc_row-has-fill"><div class="wpb_column vc_column_container vc_col-sm-12"><div class="vc_column-inner"><div class="wpb_wrapper"><div class="vc_empty_space vc_custom_1747739785324" style="height: 2px"><span class="vc_empty_space_inner"></span></div></div></div></div></div><div class="vc_row-full-width vc_clearfix"></div><div data-vc-full-width="true" data-vc-full-width-temp="true" data-vc-full-width-init="false" class="vc_row wpb_row vc_row-fluid vc_custom_1747739999059 vc_row-has-fill"><div class="wpb_column vc_column_container vc_col-sm-12"><div class="vc_column-inner"><div class="wpb_wrapper"><div class="vc_empty_space" style="height: 32px"><span class="vc_empty_space_inner"></span></div><div class="vc_row wpb_row vc_inner vc_row-fluid"><div class="wpb_column vc_column_container vc_col-sm-4"><div class="vc_column-inner"><div class="wpb_wrapper"> <div class="wpb_single_image wpb_content_element vc_align_center wpb_content_element wpb_animate_when_almost_visible wpb_zoomIn zoomIn"> <figure class="wpb_wrapper vc_figure"> <div class="vc_single_image-wrapper vc_box_border_grey"><img decoding="async" class="vc_single_image-img " src="https://www.audiofile-incar.co.uk/wp-content/uploads/2024/09/7-new.webp" width="1200" height="800" alt="7-new" title="7-new" loading="lazy" /></div> </figure> </div> </div></div></div><div class="wpb_column vc_column_container vc_col-sm-8"><div class="vc_column-inner"><div class="wpb_wrapper"> <div class="wpb_text_column wpb_content_element" > <div class="wpb_wrapper"> <div class="elementor-element elementor-element-d1c2b20 elementor-widget__width-initial elementor-widget elementor-widget-heading" data-id="d1c2b20" data-element_type="widget" data-widget_type="heading.default"> <div class="elementor-widget-container"> <h3 class="elementor-heading-title elementor-size-default"><span style="color: #ffffff;">All-aluminum casting body Efficient heat dissipation design</span></h3> </div> </div> <div class="elementor-element elementor-element-1992c4a elementor-widget__width-initial elementor-widget elementor-widget-text-editor" data-id="1992c4a" data-element_type="widget" data-widget_type="text-editor.default"> <div class="elementor-widget-container"> <p><span style="color: #ffffff;">CNC (numerical control machine tool) cutting, shell coating hardening treatment, reducing body size, increasing air contact area, can dissipate the heat generated by electronic components in time. Make the decoder maintain a constant temperature inside under each power.</span></p> </div> </div> </div> </div> </div></div></div></div><div class="vc_empty_space" style="height: 32px"><span class="vc_empty_space_inner"></span></div></div></div></div></div><div class="vc_row-full-width vc_clearfix"></div><div data-vc-full-width="true" data-vc-full-width-temp="true" data-vc-full-width-init="false" class="vc_row wpb_row vc_row-fluid vc_custom_1747744056475 vc_row-has-fill"><div class="wpb_column vc_column_container vc_col-sm-12"><div class="vc_column-inner"><div class="wpb_wrapper"> <div class="wpb_text_column wpb_content_element" > <div class="wpb_wrapper"> <h3 style="text-align: center;"><span style="color: #ffffff;">Compatibility</span></h3> </div> </div> </div></div></div><div class="wpb_column vc_column_container vc_col-sm-4"><div class="vc_column-inner"><div class="wpb_wrapper"><div class="vc_empty_space" style="height: 32px"><span class="vc_empty_space_inner"></span></div> <div class="wpb_text_column wpb_content_element" > <div class="wpb_wrapper"> <p style="text-align: center;"><span style="color: #ffffff;">BMW M3（2019-2024）</span><br /> <span style="color: #ffffff;">BMW M4（2020-2024）</span><br /> <span style="color: #ffffff;">BMW M5（2019-2023）</span><br /> <span style="color: #ffffff;">BMW M6（2019-2023）</span><br /> <span style="color: #ffffff;">BMW M8（2019-2024）</span><br /> <span style="color: #ffffff;">BMW X1（2023-2024）</span><br /> <span style="color: #ffffff;">BMW X3（2021-2024）</span><br /> <span style="color: #ffffff;">BMW X4（2019-2024）</span><br /> <span style="color: #ffffff;">BMW X5（2019-2024）</span></p> </div> </div> <div class="vc_empty_space" style="height: 32px"><span class="vc_empty_space_inner"></span></div></div></div></div><div class="wpb_column vc_column_container vc_col-sm-4"><div class="vc_column-inner"><div class="wpb_wrapper"><div class="vc_empty_space" style="height: 32px"><span class="vc_empty_space_inner"></span></div> <div class="wpb_text_column wpb_content_element" > <div class="wpb_wrapper"> <p style="text-align: center;"><span style="color: #ffffff;">BMW X6 （2019-2024）</span><br /> <span style="color: #ffffff;">BMW X7 （2019-2024）</span><br /> <span style="color: #ffffff;">BMW Z4 （2019-2024）</span><br /> <span style="color: #ffffff;">BMW iX1（2023-2024）</span><br /> <span style="color: #ffffff;">BMW iX3（2020-2024）</span><br /> <span style="color: #ffffff;">BMW iX  （2022-2024）</span><br /> <span style="color: #ffffff;">BMW i4   （2022-2024）</span><br /> <span style="color: #ffffff;">BMW XM（2023-2024）</span></p> </div> </div> <div class="vc_empty_space" style="height: 32px"><span class="vc_empty_space_inner"></span></div></div></div></div><div class="wpb_column vc_column_container vc_col-sm-4"><div class="vc_column-inner"><div class="wpb_wrapper"><div class="vc_empty_space" style="height: 32px"><span class="vc_empty_space_inner"></span></div> <div class="wpb_text_column wpb_content_element" > <div class="wpb_wrapper"> <p style="text-align: center;"><span style="color: #ffffff;">BMW 1 Series（2020-2024）</span><br /> <span style="color: #ffffff;">BMW 2 Series（2020-2024）</span><br /> <span style="color: #ffffff;">BMW 3 Series（2019-2024）</span><br /> <span style="color: #ffffff;">BMW 4 Series（2020-2024）</span><br /> <span style="color: #ffffff;">BMW 5 Series（2018-2023）</span><br /> <span style="color: #ffffff;">BMW 6 Series（2018-2023）</span><br /> <span style="color: #ffffff;">BMW 7 Series（2020-2024）</span><br /> <span style="color: #ffffff;">BMW 8 Series（2019-2024）</span><br /> <span style="color: #ffffff;">BMW M2        （2020-2024）</span></p> </div> </div> <div class="vc_empty_space" style="height: 32px"><span class="vc_empty_space_inner"></span></div></div></div></div></div><div class="vc_row-full-width vc_clearfix"></div> </div><!-- Non-destructive upgrade easy to operate Ethernet input Original car interface control Preserve all media tones Enhanced Audio Quality Audio decoding Front and rear audio output  An effortless choice for upgrading BMW audio quality, compatible with all top brands of DSP amplifiers Installing Pre-amplifier interface box to enhance your driving experience with our premium BMW audio upgrade services. Elevate your sound system with top-notch BMW amplifier, ensuring a superior audio quality. Our specialized BMW sound upgrade, featuring advanced DSP amplifiers, takes your in-car audio to a new level. In car audio retrofit, the quality of the sound source is the most important factor. Due to the different high/medium/low configurations of luxury cars, the power amplifier of the head unit on some low and medium configuration cars can’t meet the requirements of audiophiles. The sound source part has been processed by default tuning and power amplification during output, and the output is a high-level sound signal.  The function of the audio box is to separate the processing commands of the host for audio data, such as volume,  sound effects, etc., and discard the original car power amplifier. It outputs general-purpose optical fiber/coaxial sound signals in the format required by professional audio equipment, thereby completing the conversion of car-specific network data to professional audio data. In this way, the unprocessed original sound source can be obtained, and at the same time, an external high-quality sound source can be added to match with the retrofit aftermarket power amplifier (with digital DSP function, supporting common optical fiber/coaxial signals), thereby bringing a perfect sound modification effect. Lossless upgrade better quality Keep all the functions of the original car: Bluetooth, WIFI, USB, DVD/CD, radio, reversing radar, navigation, favorites, parking reminder and other sounds and functions. Upgrade your BMW audio system seamlessly with our “Pre-amplifier interface box for BMW .” This innovative interface box serves as the bridge to elevate your in-car audio experience. Pair it with our premium BMW AMPLIFIER for a crystal-clear sound upgrade. All-aluminum casting body Efficient heat dissipation design CNC (numerical control machine tool) cutting, shell coating hardening treatment, reducing body size, increasing air contact area, can dissipate the heat generated by electronic components in time. Make the decoder maintain a constant temperature inside under each power. Compatibility BMW M3（2019-2024） BMW M4（2020-2024） BMW M5（2019-2023） BMW M6（2019-2023） BMW M8（2019-2024） BMW X1（2023-2024） BMW X3（2021-2024） BMW X4（2019-2024） BMW X5（2019-2024） BMW X6 （2019-2024） BMW X7 （2019-2024） BMW Z4 （2019-2024） BMW iX1（2023-2024） BMW iX3（2020-2024） BMW iX  （2022-2024） BMW i4   （2022-2024） BMW XM（2023-2024） BMW 1 Series（2020-2024） BMW 2 Series（2020-2024） BMW 3 Series（2019-2024） BMW 4 Series（2020-2024） BMW 5 Series（2018-2023） BMW 6 Series（2018-2023） BMW 7 Series（2020-2024） BMW 8 Series（2019-2024） BMW M2        （2020-2024）