Airmar B285 Medium CHIRP, 1kW, with Fairing Block, Raymarine 11-Pin, DT
The B285M's medium frequency delivers the ideal combination of coverage, extended depth range, and clean target and structure returns in mid to deeper water. Operating at 85–135 kHz with 50 kHz of total bandwidth, it reveals fish at depths up to 457 m (1,500') with ultra-clear target resolution and excellent bottom detail. Covers popular fishing frequencies of 88 and 107 kHz plus everything in between. Also ideal for single-channel sounder applications — simply create presets for 85 and 135 kHz and toggle between wide and narrow beams for scouting and pinpointing structure. Includes a high-performance Fairing Block for optimal broadband performance at speeds over 30 knots. Available with an OEM connector or as a Mix and Match™ version. Features Depth and fast-response water-temperature sensing 1 kW power | Max depth: 457 m (1,500') Medium frequency: 85–135 kHz | Beamwidth: 16°–11° | 50 kHz total bandwidth Covers popular fishing frequencies of 88 and 107 kHz Bronze housing — suitable for fiberglass or wood hulls Recommended for planing or displacement hulls Includes high-performance Fairing Block for speeds over 30 knots Also available as transom (TM185M), low-profile thru-hull (B175M), and in-hull (M135M) mounts Patented Xducer ID technology Specifications Frequency Band: Medium Power Rating: 1 kW Medium Frequency: 85–135 kHz Medium Frequency Beamwidth: 16°–11° Single or Dual Frequency: CHIRP-Ready Single-Band Functions: Depth, Temperature Mounting Style: Thru-Hull with Fairing Tilted Element: No Material: Bronze Acoustic Window: Urethane Hull Material: Fiberglass or Wood Max Vessel LOA: 8 m (25') and above Deadrise Range: Up to 28° with fairing Max Deadrise: Up to 26° with fairing Connector: Raymarine 11-Pin Display Connector: 11R Sensor Connector: MMC Mix and Match Series: 12-Pin CHIRP Hole Size: 30 mm (1-3/16") Usable Shaft Length: 121 mm (4.75") Cable Length: 10 m (33') Weight: 4.2 kg (9.2 lb.) Max Depth: 457 m (1,500') Common Use: Fishing, Commercial Fishing Country of Origin: USA