Gravity 6000.1D Car Amplifier 6000W Monoblock Class D

The Gravity 6000.1D is a monoblock Class D car amplifier engineered for subwoofer duty, rated at a maximum of 6000 watts at 1 Ohm. Its Class D topology delivers high power output with greater efficiency and less heat generation than traditional Class AB designs, which is critical when pushing demanding subwoofer loads in an enclosed vehicle environment. The amplifier is also stable at 2 Ohm and 4 Ohm, giving you flexibility in how you wire single or multiple subwoofers. A MOSFET power supply underpins the output stage for responsive, reliable power delivery.

Tuning controls are comprehensive for this price range. The variable low pass filter adjusts from 40 Hz to 180 Hz so you can set a clean crossover point, while the subsonic filter (0–50 Hz) protects ported subwoofers from damaging ultra-low frequencies. Bass boost is adjustable from 0 to 12 dB for added impact when desired. Both high-level and low-level inputs are provided, ensuring compatibility whether your head unit has RCA pre-outs or only speaker-level outputs. The included 2nd-generation bass knob lets you make real-time adjustments from the driver's seat. At 431.5 x 211 x 64.5 mm, it is reasonably compact for its power class, though you will want to measure your intended mounting location carefully.