6
4 Ohm Sub Channel Watts
0 50 100 150 200 250
12 volts
14.4 volts
REFERENCE POWER SUPPLY DESIGN
The Reference705 employs an extremely efficient unregulated pulse-width modulated power supply.
Like the rest of the REFERENCE amplifiers from Soundstream, the Reference705 is rated at 12 volts
but is designed to take advantage of the additional voltage available when the vehicle is running.
The two major advantages of the unregulated power supply are:
• awesome dynamic power capabilities
• added continuous power with higher voltages (see chart below)
Because of the dynamic properties of most music, all audio components should be able to react
accordingly. Thanks to its unregulated power supply, the Reference705 can comfortably exceed its
rated power for dynamic portions of the music.
4 ohm Power
200 watts x 1 @ 12 volts
250 watts x 1 @ 14.4 volts
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