JBL 3731 Screen Array 3-Way

JBL 3731
In Stock


Three-Way Biamplified or Triamplified (T) ScreenArray Loudspeaker System


  • Three-way Screen Array® design for maximum output, optimal coverage, and minimum distortion
  • One 380 mm (15") Vented Gap Cooled (VGC™) LF Transducer
  • Triamplified (T) or Biamplified operation
  • Approved for THX® certified applications (3731T)
  • M/HF ships fully assembled
  • Second Generation Optimized Aperture Waveguide technology for ultra-low distortion, and extremely uniform frequency response
  • SSCTM Screen Spreading Compensation
  • Focused Coverage Technology™
  • Flat-front waveguide design for easy baffle wall installation
  • Shallow depth for minimum behind screen requirements
  • Low profile design with 600W LF


JBL 3731
Product Code: 3731
Brand: JBL
Technical specifications
Frequency Range 30 Hz – 19 kHz (-10 dB)
Sensitivity 107 dB, 2.83V @ 1m
Maximum SPL 122 dB SPL, 133 dB Peak
Nominal Impedance 8 ohms
Power Rating 620 W (AES)
Physical parameters
Dimensions (mm) 870 mm X 940 mm X 500 mm (34,3 in X 37 in X 19,7 in)
Net Weight 51 kg (112,2 lb)
Shipping Weight 60 kg


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