SFB SERIES AMPLIFIER OWNER’S MANUAL version 01/21 v2
Digital Class-D Mono Block Amplifier
Dual MOS-FET PWM Power Supply
1 Ohm Stable Load
12 dB/Octave - Variable Low Pass Filter
0 to 12dB - Variable Bass Boost
4 Way Protection Circuit (Thermal,
Voltage Speaker short and DC Offset)
Wired Remote Control with Clipping
Indicator.
Tested
@14.4Volts
SFB-
600D
SFB-
1000D
SFB-
1500D
SFB-
2000D
SFB-
3000D
SFB-
5000D
SFB-
8000D
SFB-
13500D
SIA-
3500D
1Ω Mono RMS
600W 1000W 1500W 2000W 3000W 5000W 8000W 13500W
3500W
2Ω Mono RMS
350W
850W 1200W 1500W 2000W 3200W 5000W 8100W
3000W
4Ω Mono RMS
250W
500W
650W
950W 1100W 2200W 3250W 5500W
1750W
Recommended
Fuse Rating
60A
100A
140A
180A
250A
220A
x2
350A
x2
400A x3
300A
LoW Pass Filter
(-12dB/8)
Variable
80HZ - 20kHz
40Hz -
20kHz
High Pass Filter
(-12dB/8)
Variable
15 - 1kHz
15 - 80Hz
10hz -
1kHz
LEVEL (Bass
Boost)
0 - 12dB (50Hz)
Input Sensitivity
5V Max
Signal Noise
Ratio
86dB
100dB 100dB 100dB
86dB
100dB 100dB
100dB
108dB
Working Voltage
10.5V - 15.5V DC
Width mm
185mm 185mm 185mm 185mm 229mm 229mm 229mm 229mm
229mm
Length mm
127mm 147mm 172mm 191mm 210mm 293mm 420mm 521mm
229mm
Height mm
64mm
64mm
64mm
64mm
64mm
70mm
70mm
70mm
70mm
Width inches
7.25"
7.25"
7.25"
7.25"
9.00"
9.00"
9.00"
9.00"
9.00"
Length inches
5.00"
5.75"
6.75"
7.50"
8.25"
11.50" 16.50"
20.50"
9.00"
Height inches
2.50"
2.50"
2.50"
2.50"
2.50"
2.75"
2.75"
2.75"
2.75"
DIGITAL MONOBLOCK FEATURES
DIGITAL MONOBLOCK SPECIFICATIONS
