The Audison SR 1.500 is a 1-ohm stable mono amplifier with a built-in crossover featuring compact dimensions and an impressive RMS power of 1000 W.  
 
AMPLIFIER TECH DATA
Channels
1
Class
D-Class
Hi Level Input
Yes
Low Level Input
Yes
Digital Input
No
Power supply voltage / fuse
11 ÷ 15 VDC / 2 x 35A
Operating power supply voltage
6.5 ÷17 VDC
Idling current
0.8 A
Idling current when off
0.02 mA
Consumption @ 14.4 VDC, 2Ω, Max Musical Power
40 A
Remote OUT
6.5 ÷ 15 VDC (150 mA)
Remote IN
6.5 ÷ 15 VDC (1 mA)
ART - Automatic Remote Turn on/off from OUTPUT BTL speakers (Selectable)
1.5 ÷ 7 VDC
 
AMPLIFIER STAGE
Distortion - THD @ 100 Hz, 4Ω, 70% Rated Power
0.1 %
Bandwidth A
(-3 dB, 2 VRMS, 4 Ω): 10Hz ÷ 500 Hz
S/N ratio A
(A weighted @ 1 V): 100 dBA
Damping factor A
> 300
Input sensitivity Pre-In
0.2 ÷ 5 VRMS
Input sensitivity Speaker-In
0.8 ÷ 20 VRMS
Total Power RMS
1000 W
Minimum load impedance
1Ω
Output Power (RMS) @14.4 VDC, 1% THD
1Ch 500 W x 1 (4Ω)

1Ch 800 W x 1 (2Ω)

1Ch 1000 W x 1 (1Ω)
Adjustable Crossover
No