The Quantum Audio Cozmik series QCA4000D 4,000 watt mono-block car amplifier has the nicest design we have seen. This is a class A/B amp so you can be sure the power is extremely efficient. This amp has a built in low pass crossover network so you can fine-tune and adjust the bass frequencies.

This amp is way more powerful than the cheaper brands who rate there amps at 6,000 watts. These amps are rated and tested during production. Quantum is known to make great sounding amps. We guarantee you will not be let down by the performance of this amp. This amp will make your subs sound extremely loud! In terms of sound quality, this amp is top of the line! It has a built in sub-sonic filter, which is only found in high-end bass amps, such as this one! Just to prove to you that this amp is extremely powerful, take a look at the photos, and you can see this amp is equipped with (2) 50A fuses. The fuse rating is one of the best ways to see how powerful an amp is. 100A of fuse power means this amp will be crazy powerful!!

We have tested these Quantum amps against some of the headliners in the industry such as Sony, Kenwood and Pioneer and these amps time over time outperform the competition. If you are looking for top of the line quality without overpaying this is definitely the amp for you and we guarantee you will be impressed with the performance. (We were blown away with how good these were when we tested them)

4ohm 14.4 Volts: N/A
2ohm 14.4 Volts: 1 x 2000 Watts
1ohm 14.4 Volts: 1 x 4000 Watts
Bandwidth: 20-28KHz
Capability: 1Ω Stereo

FEATURES

• Audiophile Grade Components
• Qsink Technology Heat Management System
• High Efficiency Mosfet Outputs
• On-board Fully Variable Low Pass X-Over
• Monoblock Amplifiers
• Enhanced Dynamic Performance
• Variable Subsonic Filter
• Bass Remote Control
• Power-On Illuminated Logo Badge