
Gravity
Gravity GR1500.2 2-Channel 3000W Car Amplifier
★★★★★
3000W
The Gravity GR1500.2 delivers 3000 watts of Class AB power across two channels with MOSFET technology and built-in crossover controls.
$119.99*
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.
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Overview
Key Features
Four Class "AB" High-Current Dual Discrete Drive Stages
Bridgeable & TRI-Mode Operation
Continuously Variable 12dB/Octave High Pass & 12dB/Octave Low Pass Crossover
Subwoofer Variable Crossover for Deep Bass Control
Overload, Thermal, Short Circuit Protection
Specifications
Brand
Gravity
Model
GR1500.2
Channels
2
Max Power Output
3000W
2 Ohm Power
1500W x 2 @ 1% THD
4 Ohm Power
750W x 2 @ 1% THD
Amplifier Class
AB
Power Supply
MOSFET PWM
Signal-to-Noise Ratio
>70dB
Frequency Response
10 Hz – 30 kHz
Low Pass Crossover
50 Hz – 250 Hz
High Pass Crossover
80 Hz – 1.2 kHz
Input Sensitivity
200mV – 6V
Fuse Rating
50A
Dimensions
10.5 x 2.25 x 15.5 inches
Pros & Cons
👍 Pros
- High power output of 1500W per channel at 2 ohms provides strong headroom for demanding speaker setups
- Bridgeable and tri-mode operation offers flexible configuration for full-range, subwoofer, or mixed speaker systems
- Built-in variable high-pass and low-pass crossovers with subwoofer control allow precise frequency tuning without external processors
- MOSFET PWM power supply delivers efficient, clean power with reduced distortion
- Overload, thermal, and short circuit protection helps prevent damage during high-demand use
👎 Cons
- 50-amp fuse rating demands robust wiring and a capable electrical system in the vehicle
- At 10.5 x 15.5 inches, the amplifier's footprint requires significant mounting space in a trunk or under a seat
- Signal-to-noise ratio of greater than 70dB is modest compared to higher-end amplifiers
- 2.25-inch height may still be too tall for some under-seat installations
Frequently Asked Questions
What is the maximum power output of the Gravity GR1500.2?
The GR1500.2 produces up to 1500 watts per channel at 2 ohms (1% THD), for a combined maximum of 3000 watts.
Can the GR1500.2 be bridged to power a single subwoofer?
Yes, the amplifier supports bridgeable and tri-mode operation, allowing you to bridge both channels into one for driving a subwoofer with combined power.
What protection features does the GR1500.2 include?
The amplifier includes overload protection, thermal protection, and short circuit protection to safeguard both the unit and your speakers.
Does the GR1500.2 come with a remote bass control?
Yes, it includes a remote level control that lets you adjust bass output from the driver's seat without reaching for the amplifier.
What fuse rating does the GR1500.2 require?
The amplifier uses a 50-amp fuse.