2) Hifonics HFX12D4 121600w Car Subwoofers+Vented Sub Box+Mono Amplifier+Wires

Package Includes:

(2) Hifonics 12Dual 4 Ohm Car Subwoofers
(1) Rockville Dual 12Vented Subwoofer Enclosure Box
(1) Rockville RXD-M1 2000w Peak/500w RMS Mono 1 Ohm Amplifier Car Audio Amp
(1) Rockville RWK41 4 Gauge Complete Wire Kit w/RCA's
20 Drywall Wood Screws (Wood screws are the type of screws; the screws are actually made of metal)
20 Feet of 14 AWG Blue Speaker Wire
4 Spade Terminals

Features of Hifonics Subs:

12HF Series Dual 4 Ohm Car Subwoofer
Peak Power Handling: 800 watts
RMS Power Handling: 400 watts
Sensitivity: 87.25 dB
Xmax: 6.5 mm
Dual 4 ohm Voice Coils
Final Impedance: Can be configured to run at 2 ohm or 8 ohm
Mounting Depth: 5-5/8
Mounting Diameter: 10-15/16

Click here to view the owners manual
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Rockville RXD-M1 2000 Watt Peak/500 Watt Dyno-Certified RMS Mono 1 Ohm Amplifier Car Audio Amp
Dyno Certified RMS Power Ratings: (Certified Dyno Test / Less than 1 % THD) (Use these ratings when comparing with top brands such as Kicker, Rockford Fosgate, etc)
1 Ohm: 500 Watts x 1 Channel <1% THD+N
2 Ohm 350 Watts x 1 Channel <1% THD+N
4 Ohm: 250 Watts x 1 Channel <1% THD+N)
Peak: (Use these ratings when comparing with the top budget brands such as Boss, Power Acoustik, etc)
High-Speed MOSFET Power Supply
Optical Coupler Class ¡°D¡± Technology
Studio-Grade Bipolar Output Stage Transistors
Now exclusively with ¡°Professional Peak Limiter Circuitry¡± which guarantees distortion free musical playback at all levels.
Fully Adjustable 12dB / Octave Crossover with Differential Circuitry
Minimum THD at Rated Power: < 0.05%
S / N Ratio: > 100dB
Frequency Response: 10 Hz - 500 Hz
Damping Factor: > 220 @ 100 Hz
50 Amp Maxi Fuse
Dimensions (W x H x L): 8.6x 2.0x 12.6inches