Interfire audio High current amps ?

[Robcrx]

I have a chance to purchase an Interfire IFH-2150 2 channel amplifier
used for $150 shipped.
Anyone here know anything about these amps ?
Supposedly its build quality is that of ZED audio and the like.
The specs sure look amazing ! Cant find much info on it !

Heres specs on the IFH-2120 amp from thier website:


Interfire Audio Inc.


heres pics of the amp :









Specs:

Number of Channels 2
Max Power 1500W
Max @ 2 Ohm Mono (14.4V) 1500 x 1
Max @ 1 Ohm Stereo (14.4V) 750 x 2
RMS @ 1 Ohm Stereo (12.5V) 500 x 2
RMS @ 2 Ohm Stereo (12.5V) 250 x 2
RMS @ 2 Ohm Mono (12.5V) 1000 x 1
RMS @ 4 Ohm Mono (12.5V) 300 x 1
RMS @ 4 Ohm Stereo (12.5V) 125 x 2
Signal to Noise Ratio 112dB
Bass Boost (45Hz, Variable) 0-18dB
Damping Factor (4 Ohm) >900
Fuse Rating 2x40 Amp
Idle Current 0.6 Amp
THD (@ 4Ohm) 0.004%
Line Level Output Yes
Crossover Frequency 40Hz - 2kHz
(Low/High-pass) variable
Dimensions (L X W X H) 13 3/4" x 9 4/5" x 2 1/3"