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A typical stereo head unit will need about 5 amps of power. If you want to crank up the volume for parties and plan on using a powerful amplifier, then 5 amps likely won't be enough either. We do have power supplies available that offer up to 30 amps. Some people will use computer power supplies and they work great.
How many watts does a head unit use?
Most times, the wattage is low, somewhere around 8 to 10 watts RMS per chanel. To find out the power of your head unit, type in the make and model to google search. Most standard factory car stereos usually have no more than about 10 watts RMS maximum output power per channel.
How many amps does a car head unit draw?
Typical car stereos (depending on the design, features, etc) draw about 2 to 5 amps or so at full power. I've seen some units that have a 10 amp fuse, but that doesn't mean they use quite that much current.
How much power does a factory head unit put out?
Most dealers indicate the power rating of their standard factory car stereos to be 200w.
Do I need an amp for a new head unit?
If your head unit doesn't have preamp outputs, you'll need an amp with speaker-level inputs. The other option is to use a speaker to line level converter. While both of these methods tend to introduce noise or distortion, the only other option is to buy a new head unit.
How many watts is Bose car speakers?
Rated at 570 watts, it pales in comparison with 1,900-watt systems currently available. But Bose sound never has been dependent on brute strength and big speakers. In fact, there's only one big speaker – a 10-in. (255-mm) woofer in the center of the rear deck to bolster the low end.
Is 20 watts RMS good?
If your car stereo has an RMS wattage of 20 to 40 watts per channel, it's generally enough to achieve good sound quality. However, if you are looking for a louder and more powerful sound system, then you will need an amplifier with a higher wattage.
How many amps does a 2000 watt amplifier draw?
Usually, a 2,000-watt car amp will draw about 159 amps. However, this assumes that your car battery is fully charged and operating at 12.6 volts. Amps are calculated by dividing the wattage (in this case, 2,000) by the voltage (which is assumed to be 12.6).
How many amps does a 600 watt amplifier draw?
5.00 Amps Watts To Amps At 120V (Standard Outlet)
| Watts: | Amps (at 120V): |
|---|---|
| 400 Watts to amps at 120V: | 3.33 Amps |
| 500 Watts to amps at 120V: | 4.17 Amps |
| 600 Watts to amps at 120V: | 5.00 Amps |
| 700 Watts to amps at 120V: | 5.83 Amps |