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What is a Karaoke Amplifier?
A karaoke amplifier is a powered amplifier designed specifically for the needs of the avid karaoke equipment owner. Many are designed for the karaoke DJ while a few are more designed for home use. They have more features than a traditional public address system and they ease the process of setting up and taking down a karaoke setup.
These are all features that any karaoke DJ would love. Karaoke amplifiers are also commonly referred to as hybrids because they have the features that are also found on many pre-amps.
One feature in particular is multiple inputs, which enables you to get audio signals from more than one source. If you have an iPod and a karaoke machine, you no longer need a mixer because you can use your amplifier. Most also come with a radio tuner.
A standard karaoke amplifier should have enough power to efficiently run four speakers. As the general rule of thumb, a good setup includes two main speakers, a monitor speaker, and a subwoofer. The main speakers and the subwoofer are what gets the sound to everyone in your audience.
The monitor speaker is there so the singer can hear themselves. The best applications, like amplifiers, for DJs have a built-in crossover; this means the subwoofer’s low frequencies only go to the subwoofer and this keeps them separate from the rest of the mix. Since higher frequencies don’t need as much power, you can run the monitor and main speakers on the same channel.
Be sure to match your amplifier to your speakers and vice versa. You want to make sure the speakers can handle more power than the amplifier can put out, but not by too much. For example, a 400 or 450 watt speaker is needed for an amplifier that can put out a total of 300 watts.
If the amplifier is able to put out eight hundred watts, then an individual speaker must be able to handle one-thousand. However, when running that many watts, you will likely be running multiple speakers. In this case, you add the wattage of each together to determine how much they can handle. For instance, with an 800 watt amplifier, you could run two 400 watt speakers, two 450 watt speakers, or even four 200 watt speakers.
Be careful when buying a subwoofer because most come in at 1,500 watts and you don’t want to run it off a simple 300 watt amplifier. If you do, you won’t get the best sound quality and may even burn out the amplifier because more power is needed than what is being provided.
Acesonic AM-145 80 Watt Karaoke Mixing Amplifier