The JBL ASB6128 is a high power subwoofer system comprised of two 460 mm (18 in) SVG Super Vented Gap low frequency drivers in a front-loaded, vented configuration.
 
The Features
- Large vent area for high output.
- Parallel/Discrete Switchable.
- For fixed installation applications such as performing arts facilities, theatrical sound design, auditoriums, houses of worship, live clubs, dance-clubs/discotheques, sports facilities and themed entertainment venues.
Specifications:
Frequency Range: 28 Hz - 1 kHz (-10 dB)
Frequency Response: 35 Hz - 1 kHz ( +/- 3 dB)
Input Modes: Drivers Parallel / Drivers Discrete
Transducer Power Rating (AES): 2400 W (9600 W peak), 2 hrs
Long-Term System Power Rating (IEC): 1600 W (6400 W peak), 100 hrs
Maximum SPL: 30 Hz - 100 Hz: 136 dB-SPL cont avg
(142 dB peak)
100 Hz - 500 Hz: 136 dB-SPL cont avg
(142 dB peak)
System Sensitivity (dB-SPL, 1W @ 1m): 30 Hz - 100 Hz: 102 dB
100 Hz - 500 Hz: 102 dB
Nominal Impedance: 4 ohms in parallel-drive mode 2 x 8 ohms in discrete-drive mode