* Type: Monoblock amplifier
* Power output: 400 watts RMS into a single 4-ohm subwoofer
* Frequency response: 20 Hz – 20 kHz
* Signal-to-noise ratio: 90 dBA
* CEA-2006 certified power: 400 watts RMS at 4 ohms, 300 watts RMS at 2 ohms
* Pros: Affordable, efficient, good signal-to-noise ratio
* Cons: Limited power output, basic feature set
Option 2: Rockford Fosgate Prime R500X1D Mono Amplifier(Amplifier 2)
* Type: Monoblock amplifier
* Power output: 500 watts RMS into a single 4-ohm subwoofer
* Frequency response: 10 Hz – 50 kHz
* Signal-to-noise ratio: 95 dBA
* CEA-2006 certified power: 500 watts RMS at 4 ohms, 200 watts RMS at 2 ohms
* Pros: More power than Amplifier 1, higher signal-to-noise ratio, full-range frequency response
* Cons: Slightly more expensive
Option 3: Pioneer GM-D9601 Mono Amplifier(Amplifier 3)
* Type: Monoblock amplifier
* Power output: 1000 watts RMS into a single 4-ohm subwoofer
* Frequency response: 10 Hz – 50 kHz
* Signal-to-noise ratio: 100 dBA
* CEA-2006 certified power: 1000 watts RMS at 4 ohms, 300 watts RMS at 2 ohms
* Pros: Very powerful, excellent specs, built-in bass boost, low-pass filter
* Cons: Most expensive