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Product Details: XX-MAXXIMUS RB

Hifonics XX-Maxximus 10,000 Watt RMS Class D Bridgeable Mono Car Audio Amplifier - One Of The Most Powerful Amplifiers In The World - Extremely Loud Bass With Little Distortion - Made For Car Audio Competitors Who Want The Best of the Best

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Warranty: 9 Months


Originally retailed for $3,499!! This Amp is extremely powerful with a true 10,000 Watts RMS rating. This Class D Mono Block Amplifier gives you incredible bass with much less distortion than any other model.

This amplifier is extra efficient due to its class D design which has full digital circuitry. This is one of the most powerful amplifiers in the world

10,000 watts of pure RMS bass power!

The XX Maxximus will also give you the ultimate precision control over how deep you want the bass with its built-in crossover, bass boost control, and sub-sonic filter. The XX Maxximus has a sleek design with a hot illuminated logo, and eye-catching design.

If you compete in serious competitions, or just want the loudest stereo in the world than you need one of these amps. There is no brand name amp of this stature or sound quality or power at this amazing price. Nothing comes close to this deal. This is known to be one of the loudest and best sounding amps ever! These have been used in many of the team Maxxsonics competition vehicles, and they have won lots of competitions!

Please Note:
End caps are not included with this amplifier. End caps are purely for aesthetics purposes only, and do not effect performance of the amplifier whatsoever. Hifonics has stopped including end caps with the newest amplifier models as well. This amplifier performs as good as new, has been re-manufactured to the same standards as a brand new amplifier and includes a 9 month manufacturer’s warranty. Take advantage of these huge savings and get the exact performance for less money.

Click Here To View The Test Report (Link Opens In A New Window)


  • Hifonics XX Maxximus 10,000 Watts RMS Mono Block Class D Amplifier
  • 10 Kilowatt Ultra-D Class Amplifier
  • High-Speed MOSFET Output Devices
  • RMS Power Rating:
  • 2-Ohm: 10,000 Watts x 1 Channel (Bridged)
  • 4-Ohms: 7,000 Watts RMS x 1 Channel (Bridged)
  • 1-Ohm: 5,000 Watts RMS x 2 Channels
  • 2-Ohms: 3,500 Watts RMS x 2 Channels
  • 4-Ohms: 2000 Watts RMS x 2 Channels
  • 2 Ohm Stable in Mono Mode for Subwoofer Operation
  • Ultra D-Class Amplifier Topography
  • Low Speaker Impedance Stability
  • RCA Line Outputs: 1 Pair
  • XXR-1 Remote Bass Control Included
  • RJ45 IN/Out Controls 2-Amps with One Remote Bass Control
  • Soft Start Feature to Prevent Turn-on Thumps
  • Versa-Cross Crossover:
  • Low-Pass Filter: 35 - 250 Hz
  • Subsonic Filter: 15 - 35 Hz, 24 dB/Oct
  • Variable Bass Boost: 0 - 18 dB
  • Variable Bass EQ: 30Hz - 60Hz
  • Overload Protection
  • Thermal Over-Temp Protection
  • Speaker Short Circuit Protection
  • Illuminated Logo
  • Adjustable Input Sensitivity: 0.2V - 9V
  • Q-Control (Adjusts Wide to Narrow Bandwidth)
  • Variable Phase Shift: 0° - 180°
  • Balanced Line Input (Use optional XX-BLD Line Driver)
  • Quad 2-Gauge Power Terminals
  • Protection System Diagnostics
  • Fidelity Improvement Over D-Class
  • Low Impedance Load Stability
  • Reduced Power Supply Size
  • Reduced Heat Management
  • Hi-End A/B Class Audio Quality
  • High Damping Factor Improves Transient Response
  • Damping Factor: >350
  • Dimensions: 28" L x 11.2" W x 5.5" H
Advantages of buying from an authorized seller:
  • Best prices - We sell all Maxxsonics Products at great prices
  • Full Factory Warranty
  • Lifetime Customer Service by Maxxsonics product experts
  • Guaranteed legitimate and authentic merchandise

Please note: If you purchase Maxxsonics from an unauthorized seller then you are taking a big risk. You will not have any manufacturers warranty, and there is no guarantee that the item is authentic, brand new, or even working.

Product Specifications

Built In Crossover LP
CEA Compliant No
Channels 2 Channel
Class Class D
Fan Cooled No
Fuse Rating 1000A
Manufacturer HIFONICS
Max Input Gauge Size 0
Minimum Impedence 1 ohm
Peak Power Output N/A
Preamp Outputs Yes
Remote Bass Knob Yes
RMS Power at 1 Ohm 5,000 Watts
RMS Power at 2 Ohms 10,000 Watts
RMS Power at 4 Ohms 7,000 Watts
THD at Rated RMS 0.1%
Total PEAK Power Output (Watts) N/A
Total RMS Power Output (Watts) 10000 w
UPC 806576212140
Warranty 9 Months
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