Hifonics HFi1000D 1000W Class D MonoBlock HF Series Car Subwoofer Amplifier (HFi 1000)
I found an audio pack for car with a little big price: $638.00 . Hifonics HFi1000D Amplifier and two HFI12D4 subwoofers.
Power Output
* 475W x 1 @ 4 ohms
* 750W x 1 @ 2 ohms
* 1000W x 1 @ 1 ohm
General Features
* High efficiency digital D-Class technology
* 4/2/1 ohm stable
* Blue “military grade pbc”
* Bass EQ with 45Hz bass boost
* HF high dissipation heat sink design
* Variable low pass, subsonic filter
* RCA inputs and outputs
* Built-in system diagnostics
* Illuminated HF logo
* Bass remote included
Hifonics HFi12D4 12″ 600W Dual 4-Ohm HFI Subwoofer Driver
* RMS Power Range: 300 Watts
* Peak Power Handling: 600 Watts
* Impedance: Dual 4 Ohm
* Diameter: 12 Inch
* 12-Inch DVC and SVC Subwoofer
* High-Energy Magnet
* For Ported or Sealed Enclosures
* Black Polypropylene Cone
* Poly-Mica Cone Damping
* Chrome Speaker Frame
* Multi-Layer High-Temp VC
* Front-Plate & Voice-Coil Cooling
* Integrated Spider Tinsel-Lead Design
* Hi-Excursion Rubber Surround
* High-Strength Suspension Material
* Push & Insert Wire Terminals
* Anti-Resonant Rubber Magnet Boot
I think this audio system will crash at THX SOUND TEST.