{"product_id":"airmar-b785-medium-chirp-600w-with-fairing-block-raymarine-11-pin-dt","title":"Airmar B785 Medium CHIRP, 600W, with Fairing Block, Raymarine 11-Pin, DT","description":"\u003cp\u003eThe B785M is an economical, CHIRP-ready thru-hull transducer designed for offshore fishing and freshwater anglers. Operating at 80–130 kHz with 50 kHz of total bandwidth, it reveals fish in shallow and murky waters at medium depths up to 274 m (900') with ultra-clear target resolution. A perfectly suited CHIRP thru-hull for smaller fishing boats. Includes a high-performance Fairing Block for optimal broadband performance at speeds over 30 knots.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDepth and fast-response water-temperature sensing\u003c\/li\u003e\n\u003cli\u003e600 W of power\u003c\/li\u003e\n\u003cli\u003eMedium frequency: 80–130 kHz | Beamwidth: 24°–16° | Max depth: 274 m (900')\u003c\/li\u003e\n\u003cli\u003e50 kHz total bandwidth from one transducer\u003c\/li\u003e\n\u003cli\u003eCovers popular fishing frequencies of 88 and 107 kHz\u003c\/li\u003e\n\u003cli\u003eExcellent shallow to mid-depth performance, bottom detail, and fish-target separation\u003c\/li\u003e\n\u003cli\u003eRecommended for planing or displacement hulls\u003c\/li\u003e\n\u003cli\u003eBronze housing with high-performance Fairing Block for optimal high-speed performance\u003c\/li\u003e\n\u003cli\u003eAlso available as low-profile thru-hull (B75M)\u003c\/li\u003e\n\u003cli\u003ePatented Xducer ID technology\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Band:\u003c\/strong\u003e Medium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Rating:\u003c\/strong\u003e 600 W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedium Frequency:\u003c\/strong\u003e 80–130 kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedium Frequency Beamwidth:\u003c\/strong\u003e 24°–16°\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle or Dual Frequency:\u003c\/strong\u003e CHIRP-Ready Single-Band\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunctions:\u003c\/strong\u003e Depth, Temperature\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Style:\u003c\/strong\u003e Thru-Hull with Fairing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTilted Element:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Bronze\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcoustic Window:\u003c\/strong\u003e Urethane\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHull Material:\u003c\/strong\u003e Fiberglass or Wood\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Vessel LOA:\u003c\/strong\u003e Up to 9 m (30')\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeadrise Range:\u003c\/strong\u003e Up to 25° with fairing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Deadrise:\u003c\/strong\u003e Up to 24° with fairing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnector:\u003c\/strong\u003e Raymarine 11-Pin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay Connector:\u003c\/strong\u003e 11R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Connector:\u003c\/strong\u003e MMC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMix and Match Series:\u003c\/strong\u003e 12-Pin CHIRP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHole Size:\u003c\/strong\u003e 51 mm (2\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUsable Shaft Length:\u003c\/strong\u003e 121 mm (4.75\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Length:\u003c\/strong\u003e 10 m (33')\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.5 kg (5.5 lb.)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Depth:\u003c\/strong\u003e 274 m (900')\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommon Use:\u003c\/strong\u003e Leisure\/Yachting, Fishing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Airmar","offers":[{"title":"Default Title","offer_id":50117595300088,"sku":"B785C-M-11R","price":1389.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0068\/6656\/7225\/files\/Screenshot2026-08-06at2.14.03pm.png?v=1785990269","url":"https:\/\/www.bosunslocker.com.au\/products\/airmar-b785-medium-chirp-600w-with-fairing-block-raymarine-11-pin-dt","provider":"Bosuns Boat","version":"1.0","type":"link"}