2 kW
Today’s top billfish-tournament captains are calling Airmar’s PM411LWM their “go 
to” transducer for seeking out targets and pinpointing them in deep water. This 
ultra-wide transducer features a 40° beamwidth for an amazing amount of 
fish-finding coverage under the boat. Coupling the low-frequency range of 40 to 
60 kHz with the medium range of 80 to 130 kHz, this tournament-series transducer 
reveals more fish in the water column than ever before.
Captains are pairing this transducer with a PM275LHW or a B175HW for a combined 
package covering low to high frequencies with both wide and narrow beams.
 
  - 
  Depth and fast-response water-temperature sensing
 
  - 
  2 kW of power
 
  - 
  Low frequency: 40 to 60 kHz
    - 
    40° beamwidth for ultra-wide coverage
 
    - 
    Maximum depth of 1219 m (4000')
 
  
   
  - 
  Medium frequency: 80 to 130 kHz
    - 
    13° to 8° beamwidth
 
    - 
    Maximum depth of 914 m (3000')
 
  
   
  - 
  70 kHz of total bandwidth from one transducer
 
  - 
  Covers popular fishing frequencies of 50 and 200 kHz plus everything else in 
  the bandwidth
 
  - 
  Curved-edge design for wet-box installation
 
  - 
  Designed for custom pocket/keel/welded-tank mounting
 
  - 
  SEALCAST™, 
  seamless, urethane housing for long life underwater
 
  - 
  Also available as a thru-hull external (R409LWM) mount
 
  - 
  Patented Xducer ID® technology
 
 
  
  Brand: Airmar 
  Technology
  
  Acoustic Window: Epoxy/urethane
  
  Cable-Length: 15 
  m (49')
  
  Common Use: Leisure/Yachting, 
  Fishing
  
  Connector: Bare 
  Wire
  
  Country of Origin: USA
  
  Cross Reference: A80378
  
  Display Connector: 0
  
  Frequency Band: Low 
  Wide-Medium
  
  Functions: Depth, 
  Temperature
  
  Hull Material: Solid 
  fiberglass only
  
  Low Frequency: 40-60 
  kHz
  
  Low Frequency Beamwidth: 40°
  
  Material: Urethane
  
  Max Deadrise: Accommodates 
  any deadrise angle based on custom installation
  
  Max Depth: Low 
  frequency- 1219 m (4000'), Medium frequency- 914 m (3000')
  
  Max Vessel LOA: 12 
  m (40') and above
  
  Medium Frequency: 80-130 
  kHz
  
  Medium Frequency Beamwidth: 13°-8°
  
  Mounting Style: Tank, 
  Cavity, Pocket/Keel Mount
  
  Power Rating: 2 
  kW
  
  Single or Dual Frequency: CHIRP-Ready 
  Dual-Band
  
  Tilted Element: No
  
  Weight: 13.6 
  kg (30 lb.)