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The JBL SRX728S Dual 18″ Subwoofer is built to deliver smooth, clean, accurate low-end. With a pair of 18″ Differential Drive woofers, it handles an amazing 1600W power (continuous). Large, open ducts minimize port turbulence and the heavily braced JBL enclosure assures tight, solid bass response. Designed to present a minimum frontal area, the subwoofer enclosure offers complete input connection flexibility with 2 Neutrik Speakon jacks. A recessed, external switch allows selection of either contacts +1/-1 or +2/-2 while an internal connector allows you to drive each woofer from a separate amplifier channel. The speaker cab is constructed of top-quality birch plywood and coated in rugged DuraFlex. Each woofer is housed in an isolated chamber and the enclosure is heavily braced to maximize low-frequency performance. The attractive CNC machined, 16-gauge steel grille is internally lined with acoustically transparent foam to provide the JBL SRX728S with additional driver protection and a very professional appearance. This subwoofer excels when paired with the PA speakers (sold separately).
- High-power subwoofer
- 2 – 2268H Differential Drive, neodymium magnet, 18″ woofers
- Power Rating (Continuous/Program/Peak): 1600W/3200W/6400W
- Front-loaded vented enclosure
- 2 Neutrik Speakon NL-4 connectors
- External switch selects either contacts +1/-1 or +2/-2
- Internal connector separates each woofer into 2 channels
- Birch plywood construction
- Heavily braced
- Rugged DuraFlex finish
- Isolated chamber for each woofer
Deep, big bass without the big system? This is your loudspeaker. Order now.
SRX728S Dual 18″ Subwoofer
- Frequency Range (-10 dB): 27Hz”220Hz
Frequency Response (±3 dB): 33Hz”220Hz
Input Connection Modes: Switchable, +1/-1 or +2/-2; Internally selectable, Parallel or Discrete
Recommended Crossover Frequencies: 80Hz, 24dB/octave HPF; 80Hz, 24dB/octave LPF
Power Rating (Continuous/Program/Peak): Parallel: 1600W/3200W/6400W
Maximum SPL: 136dB SPL peak
Sensitivity (1w @ 1m): 98dB SPL
LF Driver: 2 x JBL 2268H 18″ Differential Drive woofer with neodymium-magnet and dual voice-coils
Nominal Impedance: 4 ohms parallel; 8 ohms x 2 active discrete
Enclosure: Rectangular, 18mm, 13-ply birch plywood
Finish: Black DuraFlex finish
Grille: Powder coated, black, 16-gauge perforated steel with acoustical transparent charcoal foam backing.
Dimensions: 42″W x 23-3/4″H x 33″D
Net Weight: 166-1/2 lbs.