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Hegel H20 vs. Rotel RMB-1555 + 3
Bridgeable
No
No
Yes
RMS output power at 4 ohm
3000 W
RMS output power at 8 ohm
Number of channels
2 ​
5 ​
4 ​
2 ​
2 ​
RMS power, 4 ohm, 20Hz-20kHz (all)
350 W
70 W
900 W
RMS power, 8 ohm, 20Hz-20kHz (all)
200 W
120 W
50 W
440 W
Analogue RCA input (s)
1 ​
5 ​
4 ​
Analogue RCA output (s)
0 ​
0 ​
4 ​
Balanced input(s) (analogue)
1 ​
0 ​
0 ​
2 ​
Balanced output(s) (analogue)
0 ​
0 ​
0 ​
Euro Block in
0 ​
0 ​
0 ​
Headphone output
No
No
No
Speaker connectors (type)
Screw / banana
Screw / banana
Screw / banana
Speakon out
0 ​
0 ​
0 ​
2 ​
Tele plug 6.3mm input
0 ​
0 ​
0 ​
2 ​
Tele plug 6.3mm output (not headphones)
0 ​
0 ​
0 ​
Available colours
Black, Silver
Black, Silver
Black, Grey
Black
Black
Dimensions (WxHxD)
Depth
370 mm
454 mm
325 mm
231 mm
Height
120 mm
188 mm
105 mm
94 mm
Width
430 mm
431 mm
433 mm
482 mm
Product weight
25 kg
21.8 kg
10 kg
3.5 kg
Features
Expandable (multiple amplifier modules)
Volume control / Gain
Amplifier class
AB
AB
D
Cache memory
Designed for rack mounting (1U=44mm)
4U
No
2U
Operational Power Consumption (min-max)
60 W
650 W
90 - 700 W
Power consumption (standby)
60 W
0.5 W
0.5 W
Separate power connector (mains)
Large power inlet connector (e.g. IEC C13/C17)
Large power inlet connector (e.g. IEC C13/C17)
Large power inlet connector (e.g. IEC C13/C17)