Boost your subwoofer with this 4000W Gravity Monoblock amplifier. Its 1 Ohm Stable technology, which uses better circuitry, maintains a clean power output to let your subwoofer perform without distortion.
Four Class "AB" High-Current Dual Discrete Drive Stages
Class "AB" Technology MOSFET PWM Power Supply
Bridgeable & TRI-Mode Operation
Continuously Variable 12dB/Octave High Pass & 12dB/Octave Low Pass Crossover
Subwoofer Variable Crossover for Deep Bass Control
Enhanced Variable Bass Boost +12dB @ 50Hz
Chrome Plated RCA & Power, Speaker Terminal
Soft Start & Muting
Overload, Thermal, Short Circuit Protection
Power & Protection Indicator
Remote Level Control Bass Knob
Technical Details:
Maximum Output Power : 4000W
Power MAX (2 Ohms) @ 1% THD : 4000W x 1
Power MAX (4 Ohms) @ 1% THD : 2050W x 1
Power MAX (1 Ohms) @ 1% THD : NC
S/N Ratio : >70dB
Low Pass Crossover (Variable) : 50 Hz ~ 250 Hz
Tri-mode Operation : Yes
Inputs : Line Level & Speaker Level
Remote Subwoofer Control : Yes
Frequency Response : 10 Hz ~ 250 Hz
Input Sensitivity : 200mv-6V
Input Impedance : 22k Ohms
Operation Voltage (Negative Ground) : DC 12V
Speaker Impedance @ Stereo Driven : 1 Ohms
Fuse Rating : 25A
Dimensions (W x H x D) : 10.5 x 2.25 x 18.3 inches

Package Contents:
1 * Brand new GR4000.1
1 * Remote Bass Control
1 * Manual