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From Our Research Team:

Serious Low-end Reinforcement!

Give your live system a shot of low-end oomph with the M-Audio GSR18. This impressive subwoofer was developed by the same engineering team behind M-Audio's leading studio monitors. They took all that know-how and packed it into this clean and clear-thumping 500W subwoofer. The 18" low-frequency driver and Class D amplifier give you the bass punch you can really feel. Plus, you can use the M-Audio GSR18's variable crossover to dial in the balance between the sub and your mains. Other helpful features onboard the GSR18 include the phase invert button, the tour-ready steel grille, and the durable plywood enclosure. When you need low-end reinforcement, call the M-Audio GSR18 into service!

M-Audio GSR18 18" 500W Subwoofer Features at a Glance:

• Efficient, high-output Class D amplification
  
• 18" low-frequency driver
  
• Durable cabinet design
  
• Balanced stereo XLR/TRS combo inputs, XLR loop-through outputs
  
• Variable low-frequency crossover (60Hz-150Hz) and phase invert button
  
• Integrated 1.4" speaker stand receptacle for sub/satellite applications
  
• Active 18", bass-reflex-design subwoofer
  
• Frequency response (+/- 3dB): 45Hz-100Hz
  
• Frequency range: 40Hz-150Hz (-10dB)
  
• Crossover frequency: variable, 60-150Hz
  
• System power rating: 500W continuous, 1000W peak
  
• Maximum SPL: 129dB
  
• Nominal impedance: 8 Ohms
  
• LF driver: 500W continuous at driver impedance
  
• LF driver size/type: 1 x 18" (45.7 cm), 3.0" voice coil
  
• Input: stereo balanced XLR/1/4" TRS combo jack with XLR loop through output
  
• Pole socket: 36mm pole mount socket on top (for full-range mounting)
  
• AC input: 120-240 V, 50/60Hz
  
• Dimensions (H x W x D): 25.6" x 22" x 23.6"
  
• Weight: 71 lbs.

Reinforce your low end with the help of M-Audio GSR18 Active Subwoofer!

Specification Detail Manufacturer Part Number 9900-60004-00