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POWERZONE mono subwoofer car amplifier highlighted with aggressive heatsink elements feature SPEED-FET output devices and QTD Technology produces 4000 watts of power in a 1 ohm stable application. Bass remote is included.


  • RCA Inputs:  Low voltage RCA inputs produce the highest sound quality connection with quality RCA materials helps prevent interference and minimize distortion in the signal path.
  • High Level Inputs:  High level inputs easily tie into OEM audio systems that do not offer RCA output. Molex connector is included.
  • Operation Model:  Mono only
  • Crossover Type:  Variable electronic crossovers allow for complete control of the sound.
  • Electronic Equalizer:  Control of amplifier output with on-board electronic crossover to tailor specific frequencies to speakers and subwoofers. Check specifications for specific frequencies for this amplifier.
  • Class / Topology:  Very efficient D-Class to drive additional power while remaining a small footprint.
  • Output Device Technology:  Exclusive Crunch SPEED-FET MOSFET components maximize power efficiency while improving sound quality and minimizing distortion.
  • Heat Sink:  QTD (Quick Thermal Dispersion) technology assures the amplifier makes huge power while running very cool with nearly undetectable musical distortions.
  • Power Supply:  Rugged MOSFET Pulse Width Modulation power supply. Allows amplifier to product efficient power without taxing the vehicle electrical system.
  • Output Connections:  Nickel-plated brass connectionwith hex set screw terminals allow for secure connection and resist erosion.
  • Connection Type:  Secure connection for all power, ground and speaker connections.
  • LED System Protection Circuitry Diagnostics:  Monitor overload and speaker short protection with illuminated indicators on the amplifier end panel.
  • Bass Remote Included:  Wired Bass Remote allows adjustments to bass frequencies from the remote which can be mounted anywhere in the vehicle. CR-U-01


  • Amp Class:  Class D
  • Amp Total Channels:  1
  • Amp Max Power (watts):  4000  
  • Amp Power @ 1 Ohm (ch x watts):   1 X 4000  
  • Amp Power @ 2 Ohms (ch x watts):  1 X 2000
  • Amp Power @ 4 Ohms (ch x watts):  1 X 1000 
  • Amp Mono Bridged @ 4 Ohms (ch x watts):  N/A
  • Amp Crossover:  Variable Electronic 12dB Per Octave
  • Amp Variable High Pass Crossover 12dB per Octave:  N/A
  • Amp Variable Low Pass Crossover 12dB per Octave:  40Hz-300Hz
  • Amp Tone Control / Parametric EQ:  Built-in Bass Control
  • Amp Bass Boost:  0-12dB
  • Amp Subsonic Filter:  10Hz-40Hz
  • Amp Variable Voltage:  0.2-6V
  • Amp Frequency Response:  10Hz-500Hz
  • Amp Total Harmonic Distortion (THD):  < 0.1%
  • Amp Speaker Level Audio Inputs:  Yes
  • Pre-amp Audio Outputs: Full Range, RCA
  • Amp Power Terminal 12v/GND:  4 AWG
  • Amp Speaker Terminal Wire Gauge:  12 AWG
  • Amp Fusing:  External 150A
  • Weight:  7.75 lbs
  • Dimensions:  18 × 7 × 3.25 in