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This Hifonics COLOSSUS PRO four-channel amplifier delivers 2000W in a more efficient half-bridge design with fewer components, resulting in a higher power output.
Q: What is the minimum frequency response of the amplifier?
A: The minimum frequency response of the amplifier is 10 hertz.
Q: Does the amplifier have preamp outputs?
A: This amplifier does not have preamp outputs.
Q: What is the weight and dimensions of the amplifier?
A: The amplifier weighs 10.9 pounds and measures 14.8 inches deep, 10 inches wide, and 3 inches high.
Q: Can the amplifier be bridged?
A: This amplifier can be bridged.
Q: What is the total harmonic distortion of the amplifier?
A: The total harmonic distortion of the amplifier is 0.5 percent.

This Hifonics COLOSSUS PRO four-channel amplifier delivers 2000W in a more efficient half-bridge design with fewer components, resulting in a higher power output.

The Pioneer GM-DX874 four-channel amplifier will deliver up to 150 watts RMS to each of your front and rear speakers for powerful music. Highly efficient Class D technology keeps this powerful amp running as cool as it looks, and allows for a compact chassis that fits in a lot of out of the way spaces. The frequency response of this amplifier stretches up to 50,000 Hz, for Hi-Res Audio Certified playback. Pioneer uses high-grade electronic parts and gold-plated RCA connections to ensure maximum performance. Speaker-level inputs allow you to install this amp in a factory system with no RCA connections. The amplifier switches its input mode automatically when it detects the high-level signal, eliminating the need to run a turn-on lead to your receiver or fuse box. Built-in high- and low-pass filters let you adjust the sound for your vehicle's interior, whether you're driving speakers or subs.

Boost the bass in your car with this KICKER 1200W mono amplifier. Stability at 1 ohm allows for use of multiple sound system wiring options, while a subsonic filter at 24dB protects speakers from dangerous frequencies. This KICKER 1200W mono amplifier features 12dB crossovers to control sound precisely and comes with vertical mounting hardware for unique configurations.

Deliver pounding beats from this Planet Audio amplifier. This class A/B amplifier can produce up to 1500 watts of power across the single channel, and the monoblock construction ensures it does so with outstanding accuracy and precision. The MOSFET power supply on this Planet Audio amplifier keeps the current low to fit in with your audio system.
| Pros for Hifonics - COLOSSUS PRO 2000W Four-Channel Car Audio Amplifier - Black | |||
|---|---|---|---|
| There were no pros for this product— | Sound Quality, Power, Size, Installation Ease | Power, Sound Quality, Size, Bass, Ease of use | There were no pros for this product— |
| Cons for Hifonics - COLOSSUS PRO 2000W Four-Channel Car Audio Amplifier - Black | |||
| There were no cons for this product— | Heat Dissipation | Heat | There were no cons for this product— |
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