JBL ASB4128 2x18" Passive Installation Subwoofer

JBL's ASB4128 is a front-loaded, medium power subwoofer system with a vented configuration. It's comprised of two 460 mm (18") low frequency drivers, and it's deep, rectangular cabinet allows for extended low frequency bandwidth with minimum frontal profile.

Applications

• Performing arts facilities
• Theatrical sound design
• Auditoriums
• Houses of worship
• Live clubs
• Dance clubs
• Sport facilities
• Themed entertainment venues

Features

• Large vent area for high output
• Parallel / Discrete switchable

Specifications

• Frequency Range: 30 Hz - 1 kHz (-10 dB)
• Frequency Response: 40 Hz - 1 kHz (±3 dB)
• Input Modes: Drivers Parallel / Drivers Discrete
• Transducer Power Rating (AES): 1000W (4000W peak), 2 hrs
• Long-Term System Power Rating (IEC): 600W (2400W peak), 100 hrs
• Maximum SPL:
  • 30 Hz - 100 Hz: 133 dB-SPL cont avg (139 dB peak)
  • 100 Hz - 500 Hz: 133 dB-SPL cont avg (139 dB peak)
• System Sensitivity:
  • 30 Hz - 100 Hz: 103 dB
  • 100 Hz - 500 Hz: 103 dB
• Nominal Impedance:
  • 4 Ω in Parallel-drive mode
  • 2 x 8 Ω in Discrete-drive mode