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Reset Settings? Working with a Sennheiser SKM 3072-U wireless stick mic and the channels have been re numbered. I need them back to the factory settings but I can't find a master reset and there is no mention of one in the manual. Is there any way? I don't have the time (or patience) to be resetting them manually.

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SOURCE: sennheiser e835 wireless mic won't turn on

how long did you hold the on button for? press it longer

Posted on Mar 02, 2009

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How should I connect an ATM73a headset to a sennheiser SK300

Audio Technica and Sennheiser each have proprietary connectors for their mics. A lot of times the mics require Phantom power which is drawn from the battery of the pack.This is important as the mic will need to be wired correctly to function.
The first thing you will need is the correct plug from the company. Check with Sennheiser customer Support for the correct part. If you aren't extremely good at soldering, do not attempt this. You can change the plug but the wires are extremely delicate and can short easily. Moreover because of the phantom power, the plug must be wired correctly for the mic to function, or you may end up damaging the mic by sending phantom power up the wrong line. I would advise having a music store or pro audio service that handles these products do the wiring for you. If you feel you are up to it, you can do it yourself, but be careful.

Feb 19, 2011 | Sennheiser SK 300 G2 Wireless Bodypack...

1 Answer

Need to fix loose wire inside 421 sennheiser how do you open it up?

Well, it looks like an SKM 100/g2 casing so if that is true, then unscrew the bottom part till you have access to the batteries and there are three star screws you'll need to take out right between the battery compartment and the bottom with the LCD screen. The bottom cover slides down and off. If you need the cartridge out then you unscrew the top of the mic where the actual pickup is and pull the core out through the top. That should be close, but might vary a little bit.

Oct 27, 2009 | Sennheiser Flashmic Digital Recording Mic...

1 Answer

On/off button fell off Sennheiser wireless mic

This is quite common with G2's, and really annoying!
If you are lucky, 50% of the time the red button is pushed inside the mic.
You need to remove the bottom section:
- open the battery compartment
- there should be 3 star-bit screws around the outside (remove)
- pull the bottom of the mic off

If the red button is not inside, they are available as a spare part from Sennheiser dealers.

Be carefull when putting the mic back together, it needs to line up correctly with the internal guides, forcing the base back on could damage the ribbon cable. when the line-up is correct it slides on very easily.

Best of luck.

Jul 06, 2009 | Sennheiser 100/500 G2 Series Wireless...

2 Answers

We have a Sennheiserew100 G2 mic kit with a wireless lav mic and transmitter we use for a canon xh-a1. The shotgun mic has been prefect but the lav mic is creating a static/noise in the background but then...

This is probably interference in the wireless connection for the lavalier mic.
Try switching channels to find a clear one!
Or switch to a wired lav mic if that's practical.

For audio expertise and PA system help with feedback and noise, try our new DVD "PA Systems for Small Groups" at

Apr 13, 2009 | Sennheiser 100/500 G2 Series Wireless...

3 Answers

On/off button broken

You should'nt need a scematic, this happens all the time with the ew100 handhelds. you will need to remove the three star bit screws between the screen and the batteries, pull off the end cover and with a small screwdriver or some long needle nose pliers- put the red button back into the hole from the inside of the cover. Just take care when putting the end cover back on- sometimes its a bit difficult.

Mar 31, 2009 | Sennheiser 100/500 G2 Series Wireless...

2 Answers

Sennheiser e835 wireless mic won't turn on

how long did you hold the on button for? press it longer

Mar 02, 2009 | Sennheiser E835 Professional Microphone

2 Answers

Frequency clash

There are different frequencies available and being used in each location.

To get a basic idea of which frequencies are available in your area, try this online tool:
or use the literature provided with the Sennheiser gear (usually a useful chart comes with the wireless gear).

Also, remember that your transmitting frequencies need to be spaced apart a minimum of .400 MHz (or 400 kHz).

Frequency selection shouldn't cause feedback problems though. If you select a frequency for a mic that a local TV station is already using to broadcast, it will cause RF Interference (Radio Frequency). You'll probably hear static noises, pops, or since your Sennheiser has a Squelch feature, just drop-outs in audio.

So first consult the available charts to find a set of frequencies that should be available in your area. Then, if one of your mics is experiencing such an issue, try moving it .400 MHz to the nearest unused frequency and see if the RFI goes away. Repeat until the RFI no longer manifests.

Jan 30, 2009 | Sennheiser 100/500 G2 Series Wireless...

1 Answer

We have a Sennheiser Diversity Receiver ew 100 and when the wireless mic is off the noise line is on the AF and makes alot of staic until you turn the mic on then it stops. How do I fix this?

Hello! Turn the unit on and push set on the receiver then push arrows until tune comes up, raise or lower frequency of the channel until the noise does not appear in the meter, push set to store settings then push power button to return to normal. Then take the mic and turn it on, push set then push arrow until tune comes up then push set and then set the channel the same way you set the receiver. P.S.. The receiver is locking on to a rouge frequency that is what causes the noise. Went you turn the mic on the receiver locks on to the mic and the noise stops.
Hope this helps you to fix the problem.

Jan 19, 2009 | Microphones

1 Answer

Broken On/Off Switch

Yes, the switch is available from Sennheiser parts, and if you can get to it and know how to work with SMD's, it's quite easy.

Mar 24, 2008 | Sennheiser SKM100 Wireless Handheld...

3 Answers

Broken power switch


If you have a G1 SKM100 mic, the small on/off switch is an SKQLLC Tact switch made by ALPS. I don't know what's in a G2 or anything about the ones with the orange button. I just replaced the on/off switch and it took about 20mins. It's a bit fiddly but not too bad so long as you have a reasonably fine-tipped soldering iron. If you're in the USA then it look like there are a number of distributors who will sell one-offs. I'm in the UK and had to go back to the place I originally bought the mic from (DM music), who got it from Sennheiser and then sold it to me. For some reason Sennheiser wouldn't sell it to me direct. Good luck.


Dec 14, 2007 | Sennheiser SKM100 Wireless Handheld...

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