Monoprice Monolith 15 THX Ultra Specifications and Review

The Monoprice Monolith 15 THX Ultra ranks #48 out of 95 total Large Powered Home Subwoofers (Over 75 lbs) for sound quality. See Top Recommended Speakers By Attribute for all the top speaker suggestions.

#48 Monoprice Monolith 15 THX Ultra

  • Notes: Product # 24458
  • CEA-2010-A Average (40-80Hz): 120.5 dB
  • Cabinet Color: black
  • Country: United States
  • Dimensions: 26.8”H x 17.7”W x 27.6”D (680.7 x 449.6 x 701.0 mm)
  • Discontinued: Yes
  • Driver(s): (1) 15 inch
  • Enclosure: ported, front
  • Measurement Source: ErinsAudioCorner
  • Output SPL at 100 Hz: 119.0 dB
  • Output SPL at 12.5 Hz: 90.0 dB
  • Output SPL at 125 Hz: 118.0 dB
  • Output SPL at 15 Hz: 100.8 dB
  • Output SPL at 20 Hz: 110.0 dB
  • Output SPL at 25 Hz: 115.6 dB
  • Output SPL at 31.5 Hz: 118.0 dB
  • Output SPL at 40 Hz: 122.0 dB
  • Output SPL at 50 Hz: 121.0 dB
  • Output SPL at 63 Hz: 120.0 dB
  • Output SPL at 80 Hz: 119.0 dB
  • Warranty: 5
  • Weight: 128.5lbs / 58.3kg
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