DJs sometimes need the sound system to pack an extra punch. Whether a DJ is playing at a big party, an important gig or even practicing at home, wiring two amplifiers to a DJ mixer helps in giving the sound system some boost. An extra amplifier offers freedom to turn up the volume without worrying about pushing the speakers too hard.
- Skill level:
Things you need
- DJ mixer
- Audio mulitcore cable, known as an "audio snake," minimum of two inputs and four outputs
- 10 XLR cables
- 2 amplifiers
- 4 speakers
Plug in, but do not turn on, the DJ mixer and both amplifiers. Turn the volume knob on both amplifiers to zero.
Connect one end of an XLR cable to left output of the DJ mixer and the other end into Input one of the audio snake. Connect the right output of the DJ mixer to Input two of the audio snake with another XLR cable. The audio snake is labelled clearly.
Connect one XLR cable from Output one of the snake to the left input of the first amplifier. The amplifier is clearly marked. Connect another XLR cable from Output one to the left channel of the second amplifier. Repeat this for Output two and the right channels of the amplifiers.
Connect the left and right outputs of amplifier one to a pair of speakers with two XLR cables. Do the same with amplifier two and another pair of speakers.
Power on the DJ mixer, then power on the amplifiers in this order to avoid possible damage to the speakers from the electrical signal created by powering on the DJ mixer. Increase the volume on the amplifiers to the desired level once the DJ mixer is turned on.
Tips and warnings
- Use cables that are only as long as necessary. The longer your cables are, the more chance of the audio becoming distorted.
- If the DJ mixer has multiple outputs, such as "main" and "booth," it's possible to connect two amplifiers without an XLR splitter. However, the quality may not be as high because two separate master volumes must be adjusted, and booth outputs often are not balanced.
- Properly match the speakers and the amplifiers. An amp that is too powerful for your speakers can damage them. Consult the manual or an audio professional, if necessary.
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