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Gravity

Gravity 1000.4 1000W 4-Channel Car Audio Amplifier

8.8 in8.3 in2.5 in1000W

Experience Powerful Car Audio with Gravity The Gravity 1000.4 Class AB Car Audio Amplifier is engineered for the audiophile seeking exceptional bass and clear voice reproduction. This amplifier delivers impressive power and reliability, enhancing music quality and clarity in your vehicle. Specif...

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Overview

Experience Powerful Car Audio with Gravity

The Gravity 1000.4 Class AB Car Audio Amplifier is engineered for the audiophile seeking exceptional bass and clear voice reproduction. This amplifier delivers impressive power and reliability, enhancing music quality and clarity in your vehicle.

Specifications:

  • Max Power: 1000W
  • Class: AB
  • Number of Channels: 4
  • Impedance Stability: 2 Ohm and 4 Ohm Stable
  • Generation: 2nd Generation
  • Signal-to-Noise Ratio: > 80 dB
  • Frequency Response: 20 Hz ~ 20 kHz
  • Total Harmonic Distortion (THD): <0.5%
  • Bass Boost Level: 0 ~ 12 dB
  • Low Pass Filter (LPF): 50 Hz ~ 500 Hz
  • High Pass Filter (HPF): 50 Hz ~ 1.2 kHz
  • Subsonic Filter: 0 ~ 50 Hz
  • Inputs: High and Low Level Inputs
  • Crossover: Variable Low Pass Crossover
  • Bass Boost: Variable Bass Boost
  • Dimensions (L×W×H): 223.5mm (8.8 in) × 211mm (8.3 in) × 64.5 mm (2.5 in)

Key Features

1000W Max 4 CH Class A/B @ 2 Ohm, Stable at 2 Ohm and 4 Ohm with Bass Knob Included (2nd Generation)

S/N Ratio > 80 dB with Frequency Response at 20 Hz ~ 20 kHz and THD < 0.5%

Bass Boost Level 0~ 12 dB with LPF 50 Hz ~ 500 Hz, HPF 50 Hz ~ 1.2 kHz and Subsonic Filter 0 ~ 50 Hz

High and Low Level Inputs, Variable Low Pass Crossover, Variable Bass Boost

Dimension ( L×W×H ): 223.5mm (8.8 in) × 211mm (8.3 in) × 64.5 mm (2.5 in)

Specifications

Max Power Output
1000W
Channels
4-Channel
Amplifier Class
Class A/B
Impedance Stability
2 Ohm and 4 Ohm
S/N Ratio
&gt; 80 dB
Frequency Response
20 Hz ~ 20 kHz
THD
&lt; 0.5%
Bass Boost Level
0 ~ 12 dB
Low Pass Filter (LPF)
50 Hz ~ 500 Hz
High Pass Filter (HPF)
50 Hz ~ 1.2 kHz
Subsonic Filter
0 ~ 50 Hz
Inputs
High and Low Level Inputs
Length
223.5mm (8.8 in)
Width
211mm (8.3 in)
Height
64.5 mm (2.5 in)

Pros & Cons

👍 Pros

  • Delivers a maximum power output of 1000W across 4 channels in Class A/B @ 2 Ohm configuration, providing substantial audio power.
  • Maintains stability at both 2 Ohm and 4 Ohm impedances, offering flexible speaker configuration options.
  • Includes a bass knob, allowing convenient adjustment of bass levels for personalized audio experiences.
  • Achieves a high S/N Ratio of > 80 dB, ensuring clear audio with minimal background noise.
  • Features a wide frequency response of 20 Hz ~ 20 kHz, covering the full range of human hearing for detailed sound reproduction.
  • Offers precise audio tuning capabilities with LPF from 50 Hz ~ 500 Hz, HPF from 50 Hz ~ 1.2 kHz, and a Subsonic Filter from 0 ~ 50 Hz.
  • Includes variable low pass crossover and variable bass boost, giving users granular control over their audio output.
  • Features both high and low level inputs, making it compatible with a variety of car stereo head units.
  • Compact dimensions (223.5mm L × 211mm W × 64.5 mm H) allow for flexible installation in various vehicles.

👎 Cons

  • The amplifier's Class A/B design, while offering good sound quality, may generate more heat and be less power-efficient than Class D amplifiers.
  • The maximum power of 1000W is a peak rating, and the continuous RMS power output is not specified, which is a more crucial metric for sustained performance.
  • A THD (Total Harmonic Distortion) of < 0.5% is acceptable, but some audiophiles might prefer lower distortion figures for absolute sound purity.
  • The bass knob is included, but its exact functionality (e.g., wired or wireless) and specific range of impact are not detailed.
  • The specific types of connections for high and low level inputs are not explicitly mentioned, which might require additional research for compatibility.

Frequently Asked Questions

The Gravity 1000.4 amplifier offers a maximum power output of 1000W across 4 channels, operating in Class A/B.
Yes, this amplifier is stable at both 2 Ohm and 4 Ohm impedances, providing flexibility for speaker configurations.
Yes, a bass knob is included with the amplifier, allowing users to adjust the bass boost level from 0 to 12 dB.
The amplifier has a frequency response range of 20 Hz ~ 20 kHz, ensuring it can reproduce a full spectrum of audio.
It features a variable Low Pass Filter (LPF) from 50 Hz ~ 500 Hz, a High Pass Filter (HPF) from 50 Hz ~ 1.2 kHz, and a Subsonic Filter from 0 ~ 50 Hz for precise audio tuning.
Yes, it includes both high and low level inputs, making it compatible with a wide range of car stereo head units.
The dimensions of the amplifier are 223.5mm (8.8 in) in length, 211mm (8.3 in) in width, and 64.5 mm (2.5 in) in height.

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