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Digital Designs M4b vs. Rockford Fosgate Prime R500X1D + 9

Digital Designs M4b

Digital Designs M4b

$2,099.00

Unknown delivery cost
Rockford Fosgate Prime R500X1D

Rockford Fosgate Prime R500X1D

$445.00

Unknown delivery cost
Pioneer GM-D9605

Pioneer GM-D9605

$549.00

Unknown delivery cost
Soundmagus DK600

Soundmagus DK600

$139.99

Unknown delivery cost
Cerwin Vega B54

Cerwin Vega B54

$298.00

$337.93 incl. shipping
Rockford Fosgate Power T400X4ad

Rockford Fosgate Power T400X4ad

$689.00

$807.94 incl. shipping
Sony XM-S400D

Sony XM-S400D

$249.00

Unknown delivery cost
Soundstream Stealth STL4.680

Soundstream Stealth STL4.680

$999.00

Unknown delivery cost
JVC KS-DR3001D

JVC KS-DR3001D

$189.00

Unknown delivery cost

Kenwood KAC-M1824BT

$659.00

Unknown delivery cost
Sony XM-N1004

Sony XM-N1004

$188.00

Unknown delivery cost
Bridgeable
No
Yes
Yes
No
Yes
Yes
RMS output power at 4 ohm
250 W
1000 W
Impedance
2 - 8 Ω
2 - 4 Ω
Number of channels
1 ​
1 ​
5 ​
1 ​
4 ​
4 ​
4 ​
1 ​
4 ​
4 ​
RMS power, 2ohm, 20Hz-20kHz (all)
647 W
400 W
85 W
RMS power, 4 ohm, 20Hz-20kHz (all)
333 W
45 W
250 W
70 W
Other connectors
High level input
High level input
High level input
High level input
Dimensions (WxHxD)
Depth
230 mm
102.1 mm
107 mm
162.8 mm
52 mm
217 mm
Height
65.5 mm
215.9 mm
221 mm
41 mm
62.6 mm
185 mm
55 mm
Width
560 mm
35.5 mm
211 mm
37.3 mm
227 mm
342 mm
Features
Suitable for subwoofer, MOSFET, Low pass filter
Suitable for subwoofer
High pass filter, Low pass filter
High pass filter, Low pass filter
Suitable for subwoofer, Low pass filter
Designed for marine strain
MOSFET, High pass filter, Low pass filter
Amplifier class
D
D
D
D
D
D
D
AB
Fuse value/channel
500 A
15 A
25 A