Rockford Fosgate 4-CHANNEL AMPLIFIER - Manual (Page 5)

2
PUNCH 4040DSM
PUNCH 4080DSM
Dimensions
9-5/8" (24.4cm) W
9-5/8" (24.4cm) W
12-5/8" (32.0cm) L
13-5/8" (34.6cm) L
2-5/8" ( 6.6cm) H
2-5/8" ( 6.6cm) H
Bandwidth
15Hz to 100kHz
Damping Factor @ 4
Ω
At output connector - Over 150
Frequency Response
20Hz to 20kHz
±
1dB / 10Hz to 100kHz -3dB
Crossover
12dB/octave with selectable high pass, low pass and full range
via interchangeable Module Cards
Slew Factor
Over 5
IM Distortion (IHF)
Less than 0.05%
Input Gain
Variable from 40dB to 14dB (200mV - 2 Volt)
The above figures are factory preset and are correct
for 500 mV rated source units.
Protection
Internal analog-computer output protection circuitry limits power in case of overload. Thermal switch shuts down the amplifier in case of overheating.
B+ Fuse Size
30 Amps
50 Amps
(External to Amplifier) Fuse Type
ATC
AGU
Equalization
Bass: +18dB Maximum at 45Hz
Treble: +12dB Maximum at 20kHz
Input Impedance
20k ohms
Specifications subject to change without notice.