

18" Powered Subwoofer.
Mackie SRM 1600W Powered Subwoofers deliver on Mackie’s “Built-Like-A-Tank” SRM legacy with ultra-high output designs that can shake any room.
The professional-grade all-wood designs provide tour-level road worthiness and maximum low-frequency extension and punch.
With features like flexible input and output choices and a variable digital crossover, you’ll have all the right tools for your professional applications. Mackie SRM Powered Subwoofers give you the high-output, air-moving lows and Mackie proven performance you demand.
•1600W peak power paired with custom high-output 18'' woofers
•Robust all-wood, internally-braced cabinet delivers professional-grade road-worthiness & near-zero distortion even at high volume
•Front ported for maximum low-frequency extension & punch
•Stereo XLR inputs plus stereo XLR full-range & high-pass outputs
• •Integrated digital crossover with variable control & presets for SRM loudspeakers
• •Smart Protect DSP offer amplifier/driver protection
• •Integrated cup for pole mounting full-range loudspeakers
o •Frequency Response (-3 dB): 40Hz - 120Hz
o •Frequency Response (-10 dB): 35Hz - 150Hz
o •Max Peak SPL: 132 dB
o •Crossover Point: 60Hz - 120Hz (Variable)
o •Slope: 3rd Order HP, 4th Order LP
o •Woofer Diameter: 18''
o •Voice Coil Diameter: 3''
o •Subwoofer Diaphragm Material: Paper
o •Magnet Material: Ferrite
o •Output: 800W RMS / 1600W Peak
o •Rated THD: <1 Percent
o •Cooling: Convection
o •Design: Class D
o •Input Type: Female XLR Balanced Differential (Stereo Left/Right)
o •Input Impedance: 20k? Balanced, 10k? Unbalanced
o •Full Range Outputs: Male XLR Balanced
o •High Pass Outputs: Male XLR Balanced
o •Input Protection: Peak and RMS Limiting, Power Supply and Amplifier Thermal Protection
o •Display LEDs: Defeatable Front Power On, Front Load Power Limiter, High Pass Mode, Input Signal
o •Cabinet: 18mm Poplar Plywood
o •Finish: High Durability Black Paint
o •Handles: One On Each Side
o •Grille: Powder-Coated 16 Gauge Steel
o •Height: 572 mm
o •Width: 565 mm
o •Depth: 608 mm