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PA213 Cable Information

PA213: This cable is designed for the guitarist who is completely wireless and uses a P2R for their monitor and a body pack transmitter that takes a 1/4" jack as input. This cable allows a guitarist to control their own leve...

Are my earbuds compatible with your PSM system?

All Shure in-the-ear monitors use 1/8" stereo headphone connections, so your custom ear pieces will work fine with any of our PSM systems. Basically, the PSM700 offers full frequency agility, where as the PSM600 only of...

Compatibility - PSM400 and PSM600

No. The PSM400 receivers can not be used to pickup signals from the PSM 600 transmitter. They use two entirely different frequency ranges.

AP200K cable information

AP200K: This is a cable assembly that allows a user to adjust the level of an ambient mic, such as the Shure WL93 (not supplied), that connects into the P2R 1/4" input jack. The AP200k consist of a TA4M connector, pream...

Left signal bleeding into right, and vice versa

Stereo separation with a wireless PSM system (PSM400, PSM600, PSM700) is 35 dB.  This applies to MixMode as well. The limitation exists because PSM uses multiplexed stereo to achieve the two channels.  This means that t...

PSM transmitter antenna orientation

The angle of the transmitting antenna should "match" the angle of the receiving antenna. If you don't know the angle of the receiving antenna, place the transmitting antenna up 45 degrees from horizontal; it is...

I need 4 separate monitor mixes. Can I do this with 1 transmitter?

No. At a minimum you will need two stereo transmitters. Each transmitter can send one stereo mix or two mono mixes.

Information on in-the-ear personal monitors?

Please download the "Selection and Operation of Personal Monitor Systems". This booklet will help educate you on personal monitors. Also read: The ABC’s of Configuring a Personal Monitor System

How many PSM700 receivers can be used at the same time?

The maximum number of PSM700 transmitters that can be used simultaneously is 16. (Unless there are particular TV transmitters in the immediate vicinity which would lower the maximum number of available frequencies.) Each tra...

PSM Input and Output Impedance

The impedance of the XLR input connector is 20k ohms. The impedance of the 1/4" loop-through female phone jack is 20k ohms. At 04/11/2001 10:21 AM we wrote - The receiver audio output is designed to drive earphones that...

Preventing hearing loss by using In The Ear Monitors

See page 6 (page 7 of the PDF) of the following booklet:  Selection and Operation of Personal Monitor Systems Also page 12 and pages 25-26 have useful information.

PSM sibilance

There is no reason that the wireless system would be more sibilant. Make certain the high frequency boost switch is in the same position on both systems. You may want to try a de-esser or equalization before the PSM transmitter t...

Mix mode impacts volume significantly

Stereo Mode, if operating properly, should not cause a significant drop in level. However, there is a psycho-acoustic effect. In Mix Mode, you hear the same signal in both ears, thus it will sound louder as the signal from bot...

I need more inputs than the P4M provides, can I use another mixer

Another mixer can be used. But multiple P4M mixers can be used to provide more inputs. Check the P4M Mixer user guide for different configurations.

Which in ear system to monitor drums?

Is it possible to run independent line outs from the sound modules directly into the Shure mixed in addition to the main board mixer? * Yes. Look at Shure P4M mixer to add this capability. Will the E1 ear phones be able...

Two PA705 antennas fed from one PSM transmitter?

This requires the use of a power divider: one BNC in / two BNC out 50 ohm device. An example is the PE2003 available from However, do not overlap the antenna transmitting areas! If a PSM receiver pi...

Which frequencies do the PSM systems use in the U.S.?

See the following link: Frequency Charts

Using a mono ear bud with the P2R receiver

In the P2R, the headphone jack is wired with the jack tip and jack ring connection in parallel.   There are no isolation resistors.   When the monaural earphone plug (tip and sleeve only) is connected, the jac...

Frequency response of wireless monitors

The wireless system, without earpieces, has a frequency response of 50-15,000 Hz. The frequency response of the earpieces is going to depend on the shape of the user's ear canal. Therefore, the frequency response of the earpi...

AP201K Cable Information

AP201K: This is a cable assemble designed to allow a user to sum together an ambient mic signal and a line level signal into their P2R Aux input jack. The cable consists of a male TRS 1/4" jack, preamp module, TA4M connector...

Multiple P4HW systems

Multiple P4HW systems can be "Y"'ed together. Hard-wire all 3 of your systems into the same output of the mixer. Using the channel insert as a direct out as you describe would be an excellent of giving everyone thei...

Loud hum with Marshall TSL100 amp using XLR out to PSM400 P4M

This sounds like a ground loop hum. Unsolder the shield connection on Pin 1 and the ground lug of the male XLR that is plugged into the P4M mixer input. Make certain to mark this cable as it will not be useful for use with a micr...

PSM - Operation and storage temperature

Cold weather should not affect the PSM electronics. However, subjecting any type of electronic equipment to extreme temperature changes in a brief period of time will cause expansion/contraction, and this can cause weak solder jo...

Daisy chaining P4M Mixers

There will some loss of the mic signal, typically less than 2 dB. This slight gain loss can easily be made up by the mixing console.

Attenuation a Loudspeaker level to Line level

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