{"id":353731,"date":"2026-02-23T15:40:31","date_gmt":"2026-02-23T13:40:31","guid":{"rendered":"https:\/\/mediagear.ee\/product\/sennheiser-ab-3700-antenna-amplifier-470-866-mhz-0-15-db-699c58d1326a7\/"},"modified":"2026-02-24T16:29:21","modified_gmt":"2026-02-24T14:29:21","slug":"sennheiser-ab-3700-antenna-amplifier-470-866-mhz-0-15-db","status":"publish","type":"product","link":"https:\/\/mediagear.ee\/fi\/tuote\/sennheiser-ab-3700-antenna-amplifier-470-866-mhz-0-15-db\/","title":{"rendered":"SENNHEISER AB 3700 Antenna amplifier 470 &#8211; 866 MHz, 0-15 dB"},"content":{"rendered":"<p data-start=\"23\" data-end=\"300\">The Sennheiser AB 3700 is a high-quality RF antenna preamplifier designed to boost signal strength by providing 5\/10\/15 dB gain to overcome losses in antenna cables. Featuring effective RF interference suppression, it is ideal for professional wireless systems.<\/p>\n<p data-start=\"329\" data-end=\"992\">The Sennheiser AB 3700 is an RF antenna preamplifier built to enhance the performance of wireless microphone systems by compensating for signal losses in antenna cables. This compact yet durable device provides selectable 5\/10\/15 dB gain to improve signal strength and maintain clarity. The LED indicators next to the BNC connectors display the selected gain, and the unit can be switched to Bypass mode (-3 dB) when no amplification is needed. Powered directly from the antenna cable via the EM 2000\/2050\/373x receiver or ASA 3000 splitter, the AB 3700 ensures effective RF interference suppression for clean transmission.<\/p>\n<p data-start=\"994\" data-end=\"1286\">With a robust metal design, it offers durability and reliability for both indoor and outdoor environments, making it an excellent choice for professional audio setups. The preamplifier is easy to mount, with a 5\/8&#8243; thread that reduces to 3\/8&#8243; for secure attachment to a stand.<\/p>\n<p data-start=\"994\" data-end=\"1286\"><strong>Key Features:<\/strong><\/p>\n<ul>\n<li data-start=\"1308\" data-end=\"1387\"><strong data-start=\"1308\" data-end=\"1327\">Adjustable gain<\/strong>: Selectable <strong data-start=\"1340\" data-end=\"1354\">5\/10\/15 dB<\/strong> gain for better signal reception<\/li>\n<li data-start=\"1390\" data-end=\"1472\"><strong data-start=\"1390\" data-end=\"1405\">Bypass mode<\/strong>: Switchable to <strong data-start=\"1421\" data-end=\"1430\">-3 dB<\/strong> bypass when amplification is not required<\/li>\n<li data-start=\"1475\" data-end=\"1552\"><strong data-start=\"1475\" data-end=\"1493\">LED indicators<\/strong>: Clearly displays selected gain next to the BNC connectors<\/li>\n<li data-start=\"1555\" data-end=\"1630\"><strong data-start=\"1555\" data-end=\"1596\">Effective RF interference suppression<\/strong> for clean and stable transmission<\/li>\n<li data-start=\"1633\" data-end=\"1695\"><strong data-start=\"1633\" data-end=\"1658\">Durable metal housing<\/strong> designed for reliable, long-term use<\/li>\n<li data-start=\"1698\" data-end=\"1801\"><strong data-start=\"1698\" data-end=\"1728\">Versatile mounting options<\/strong>: Includes <strong data-start=\"1739\" data-end=\"1777\">5\/8&#8243; thread with reduction to 3\/8&#8243;<\/strong> for easy stand mounting<\/li>\n<\/ul>\n<hr class=\"break\">\n<ul data-start=\"1825\" data-end=\"1893\">\n<li data-start=\"1825\" data-end=\"1875\">\n<p data-start=\"1827\" data-end=\"1875\"><strong data-start=\"1827\" data-end=\"1875\">1 Sennheiser AB 3700 RF antenna preamplifier<\/strong><\/p>\n<\/li>\n<\/ul>\n<hr class=\"break\">\n<ul>\n<li data-start=\"1927\" data-end=\"1953\"><strong data-start=\"1927\" data-end=\"1948\">Antenna Connector<\/strong>: BNC<\/li>\n<li data-start=\"1956\" data-end=\"1990\"><strong data-start=\"1956\" data-end=\"1975\">Frequency Range<\/strong>: 470 \u2013 866 MHz<\/li>\n<li data-start=\"1993\" data-end=\"2010\"><strong data-start=\"1993\" data-end=\"2003\">Weight<\/strong>: 265 g<\/li>\n<li data-start=\"2013\" data-end=\"2043\"><strong data-start=\"2013\" data-end=\"2034\">Nominal Impedance<\/strong>: 50 Ohms<\/li>\n<li data-start=\"2046\" data-end=\"2075\"><strong data-start=\"2046\" data-end=\"2062\">Power Supply<\/strong>: 9 &#8211; 15 V DC<\/li>\n<li data-start=\"2078\" data-end=\"2125\"><strong data-start=\"2078\" data-end=\"2096\">Supply Current<\/strong>: Max. 350 mA, typical 130 mA<\/li>\n<li data-start=\"2128\" data-end=\"2170\"><strong data-start=\"2128\" data-end=\"2146\">Amplifier Gain<\/strong>: Bypass (-3)\/5\/10\/15 dB<\/li>\n<li data-start=\"2173\" data-end=\"2212\"><strong data-start=\"2173\" data-end=\"2199\">Microphone Application<\/strong>: Accessories<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>The Sennheiser AB 3700 is a high-quality RF antenna preamplifier designed to boost signal strength by providing 5\/10\/15 dB gain to overcome losses in antenna cables. Featuring effective RF interference suppression, it is ideal for professional wireless systems. The Sennheiser AB 3700 is an RF antenna preamplifier built to enhance the performance of wireless microphone systems by compensating for signal losses in antenna cables. This compact yet durable device provides selectable 5\/10\/15 dB gain&#8230;<\/p>\n","protected":false},"featured_media":353729,"template":"","meta":{"_acf_changed":false},"brand":[6051],"product_cat":[5964],"product_tag":[],"inventory":[],"class_list":{"0":"post-353731","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"brand-sennheiser-fi","7":"product_cat-microphones-fi","9":"first","10":"onbackorder","11":"taxable","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>SENNHEISER AB 3700 Antenna amplifier 470 - 866 MHz, 0-15 dB - MediaGear<\/title>\n<meta name=\"description\" content=\"The Sennheiser AB 3700 is a high-quality RF antenna preamplifier designed to boost signal strength by providing 5\/10\/15 dB gain to overcome losses ...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mediagear.ee\/fi\/tuote\/sennheiser-ab-3700-antenna-amplifier-470-866-mhz-0-15-db\/\" \/>\n<meta property=\"og:locale\" content=\"fi_FI\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SENNHEISER AB 3700 Antenna amplifier 470 - 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