What should i do? mixer has geeting hot near EQ place.

Hook them up to the OUTPUTS

There is no easy answer to this. It will depend on the mic, the speakers and the singer and genre amongst many other things. It will also probably be room dependent too although the overall eq should be able to take this out of the equation to a large extent.
Your best bet is to get someone to sweep the frequency on the mid range with a bit of positive and then a bit of negative eq to find where most affects your vocals then fine tune to your liking. Are you using a bit of reverb/chorus/echo as his can often, when used sparingly, enhance even a good singer. The biggest difference you'll probably find is from using different mics. The ubiquitous SM58 does not suit everyone but is robust, warm and forgiving but if you're after a more pure sound there are many more accurate mics you can try.

Turn gain CCW. plug microphone in, mute the channel. turn gain CW until peak LED flashes (while singing loud!) and turn gain back a little bit.
Take the channel fader down, unmute the channel. Put masters at 0dB (near maximum) and adjust the loudness with the channel fader to what you like.
EQ: it always depends on your location. Keep it flat. You might like to reduce at about 200-300 Hz. Cut the low end (Hi Pass Filter = on) or if no HiPass reduce "bass" for about 6...10dB.
ok?

The output of mixer connects to channel A or B of the separate amplifier and the output of the am connects to the speakers. Amp channels are listed as A and B or 1 and 2 instead of Left and Right because the manufacturer does not assume how you may wire your system. Please remember that compression, limiters and EQ device connect between the mixer and the amplifier with their prespective IN and OUT levels adjusted accordingly.

Line level output of the mixer would go into the line level inputs of the EQ, and the EQ line level outpputs to the line level inputs of the amplifier. If you are faced with a mix of unbalanced inputs or outputs, to balanced inputs or outputs it gets a little complicated because you need to matrix the balanced signal to unbalanced load and vice versa. There is no single answer to doing this either.

RCA jacks are unbalanced, 2 conductor 1/4 inch connections are unbalanced most of the time. XLR and 3 conductor 1/4 inch jacks and plugs can be either balanced or unbalanced.If either are wired so left and right are a single ring or tip on the 3 conductor 1/4 inch jack, it is unbalanced and they would share a common ground lead. XLR wired with one pin common with shield and right and left have a single conductor on the plug or jack, that is unbalanced.

Hi. The mixer puts out a full range mix, the solution is in your speaker setup.

Many subs have a built in crossover that splits the signal for the tops. Check your sub specs or manual. If your subs have this, run your output signal to them first and then link them to the tops from the special daisychain socket.

If they don't have one, you can install a passive crossover to your subs or buy an external crossover unit.

The last (and not very good) option is to fake a crossover with the desk's stereo EQ. Connect the subs to the left or right channel and the tops to the other and use the EQ to remove the bass from the tops and vice versa, pan everything dead center. Obviously this sacrifices your stereo sound and isn't brilliant.

In order for this to work properly it must be inserted between the last pre-amp stage and the power amp. Can you please update this with the mixer that you are using? With the make and model of the mixer, I can provide you with a connection description. Since each mixer will have different labeling and options, it is not possible for me to accurately describe the connections without hte make and model.

Thanks,
Dan

Better way... Connect the main speakers via the Speakons and then put a Power Subwoofer to one of the Monitor connections IF you are not using both stage monitors. If you need to kill the lows to the mains, use the EQ in the PMP-3000.

Use the EQ that is USUALLY on the subwoofer to kill the highs to the sub.

Lot less cables and hardware.

REMEMBER for equipment safety, power ALL interconnected equipment from the same source be it a receptacle or power distribution system.

Powering parts of a system from receptacles strewn around a room is asking for trouble of ground loops and ground faults.

Many of those connections REQUIRE using TRS cables (stereo style) rather than TS cables (mono style). It is possible you have mixed the cables if it worked before.

Any cable plugged into an "insert" should be a TRS (tip-ring-sleeve) cable.

Look up these connections in your 1604 manual.

If you're only using the keyboard, connect the keyboard output to the EQ input, and EQ output to your amp.

If you have multiple instruments and a mixer, run mixer output to EQ input, EQ output to amp.

More info, let me know.

Charlie