I have two ARC Audio amps forsale. One of them is the 2500 which puts out 1,050x1 @4 ohms bridged for your subs. The other one is a 4050 which puts out 50x4 @4 ohms, 90x4 @2 ohms, & 180x2 @4 ohms bridged for your highs. The specs are as follow

2500

-Highly efficent 4 layer PCB
-Uniquely designed high efficent power transformer
-Rated 500 amp power supply switching FET
-Rated 250 amp per channel output devices
-Variable speed fan control for quiet operation
-Power save mode for low level playing time with engine off
-Protection against: reverse voltage, over voltage, speaker short, and thermal overload
-Heavy duty construction

Output power : 270x2@4 ohms, 525x2@2 ohms, and 1,050x1
4 ohms bridged
Transient distortion : < 0.05% @4ohms
Frequency response: 20Hz-20Khz
S/N ratio(A wtg) : > 105dB
Bass boost : + 18dB @45Hz
Input sensitivity : 250mV - 2.5V
Crossover : 12dB/24dB stereo 55Hz-5.5KHz
Fuse :
30A x3
Dimensions : 18" x 8" x 2.35"

4050

-Independant front and rear 12dB stereo crossover 55Hz to 5.5KHz
-Seperate front and rear high/low/full range select switch 4 channel/2 channel or 2 channel with bass select
-Seperate front and rear mono/stereo/bridged select feature
18dB bass control at 45Hz select feature
-Protection against: reverse voltage, over voltage, speaker short, and thermal overload
-Heavy duty construction

Output power : 50x4@4ohms, 90x4@2ohms, and 180x2 4ohms bridged
Transient distortion : < 0.1% @4ohms
Frequency response: 20Hz-20Khz
S/N ratio(A wtg) : > 95dB
Bass boost : + 18dB @45Hz
Input sensitivity : 250mV - 2.5V
Crossover : 55Hz-5.5KHz variable 12dB stereo/24dB mono x10 select
Fuse :
40A x1
Dimensions : 13" x 8" x 2.35"


If you need more info please go to http://www.arcaudio.com/
Asking $750 for both, pm with email for pics.