Table of Contents:

Introduction..............................2

Precautions...............................3

Overview.................................. 4

Instructions..........................5-7

Specifications.....................8-9

Troubleshooting....................10

Charts........................................11

Warranty..................................12

USER’S GUIDE

MXBM-621

2 ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ Introduction

Thank you for choosing Senal.

Senal’s.MX-series.Professional.Boundary.Microphones.are.sleek,.low-profile.microphones.that.are.designed.with.optimized.frequency.response.and.sensitivity.for.capturing.voices..Both.omnidirectional.and.cardioid.models.are.perfect.for.video.conferences,.lectures,..and.meetings..

The.MX-series.microphones.integrate.into.most.AV.conferencing.systems.or.sound.systems..Balanced.output.minimizes.unwanted.RF.interference.and.noise,.even.over.long.cable.runs,.and.a.high-pass.filter.minimizes.room.noise.and.low-end.rumble..The.microphones’.low-profile.design.offers.an.inconspicuous.appearance.and.an.unobstructed.view..Rugged.metal.housing.protects.the.mic.capsule,.and.the.nonskid.padding.keeps.the.microphone.stable.on.a.tabletop.or.lectern.

3Precautions ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪

Precautions

•. Please.read.and.follow.these.instructions,.and.keep.this.manual.in.a.safe.place.

•. Keep.this.product.away.from.water.and.any.flammable.gases.or.liquids.

•. Do.not.attempt.to.disassemble.or.repair.this.product.

•. Handle.this.product.with.care.

•. Clean.this.product.with.only.a.soft,.dry.cloth.

•. Make.sure.that.this.product.is.intact.and.that.there.are.no.missing.parts.

•. All.images.are.for.illustrative.purposes.only.

4 ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ Overview

MUTE

LED

MXBM-621/C

-FLAT-LO CUT

Overview

Indicator LEDOn = Mic on Off = Mute High-pass filter switch

Up = Flat Down = Low Cut

Sound pickup panel

Mute button

5Instructions ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪

Setting Up

To.set.up.your.room.with.omnidirectional.or.cardioid.MX.microphones,.refer.to.the.illustrations.below.

Cardioid Polar Pattern

The.MXBM-621/C.rejects.off-axis.noise..Use.it.in.rooms.with.inadequate.acoustic.treatment.or.in.spaces.where.background.noise.is.problematic..The.MXBM-621/C.will.capture.the.voice.of.the.person.sitting.directly.in.front.of.it.while.it.minimizes.room.noise.and.reverberation.

Omnidirectional Polar Pattern

The.MXBM-621/O.microphone.picks.up.sound.in.a.360-degree.pattern..Use.it.in.quiet.rooms.with.adequate.acoustic.treatment..Microphones.set.in.the.center.of.the.table.will.pick.up.all.participants.seated.around.it.

MUTE

LED

CXBM

-620

MUTE

LED

CXBM-620

MUTE

LED

CXBM-620

MUTE

LED

CXBM-620

MUTE

LED

CXBM-620

6 ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ Instructions

Using the MX Boundary Microphone

Each.application.of.the.MX.Boundary.Microphone.will.be.slightly.different..The.following.scenarios.cover.frequently.used.setups.

Live Lecture/Sound Reinforcement

Ideal.in.an.auditorium.or.house.of.worship.where.a.voice.needs.to.be.amplified.for.an.audience.

Note:.MX-series.microphones.need.phantom.power.in.order.to.operate.

Video and Audio Conferencing

MX-series.microphones.are.compatible.with.most.audio.and.video.conferencing.systems..Refer.to.the.conferencing.system’s.user.manual.for.setup.instructions.

MUTE

LED

MXBM-621/C

Remote video conference system conference Power amplifier

MUTE

LED

MXBM-621/C

Mixing console

Power amplifier

MUTE

LED

MXBM-621/C

Phantom power supply Power amplifier

7Instructions ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪

Powering the MX Microphone

The.MX-series.microphones.operate.on.phantom.power..Once.connected.to.the.power.source,.the.MX.Boundary.Mic.is.ready.to.work.

Important!.When.integrating.the.MX.Moundary.Mic.into.a.video.or.audio.conferencing.system,.or.using.it.with.a.mixing.board,.make.sure.that.phantom.power.is.enabled.

High-Pass Filter

Activate.the.high-pass.filter.when.using.the.microphone.in.rooms.with.inadequate.acoustic.treatment.or.constant.noise.from.air.conditioning,.fans,.or.lights.

To.filter.out.low.frequencies,.use.the.tip.of.a.pen.or.a.similar.pointed.object.to.switch.the.high-pass.filter.to.the.on.position.

Muting

MX-series.microphones.are.equipped.with.CapSense®.mute.buttons..To.mute.the.microphone.while.in.use,.gently.tap.the.mute.button..The.indicator.LED.will.turn.off.to.show.that.the.microphone.has.been.muted..

Touch.the.mute.button.again.to.resume.operation.

8▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ Specifications

MXBM-621/C MXBM-621/O

Transducer Condenser Condenser

Polar pattern Cardioid Omnidirectional

Frequency response 30.Hz–20.kHz 60.Hz–16.kHz

Maximum input level 120.dB.(THD.≤1.5%.@.1.kHz) 120.dB.(THD.≤1.5%.@.1.kHz)

Sensitivity -32.dB.±3.dB.(0.dB.=.1.V/Pa.@.1.kHz) -33.dB.±3.dB.(0.dB.=.1.V/Pa.@.1.kHz)

High-pass filter 60–200.Hz,.10.dB.±2.dB 80.Hz.(6.dB.octave.attenuation)

Impedance 330.Ω.±30%.@.1.kHz 440.Ω.±30%.@.1.kHz

Operating voltage 9–52.V.DC,.4.mA.typical 9–52.V.DC,.4.mA.typical

Output connector TA3.male TA3.male

Mute switch CapSense®.touch.switch CapSense®.touch.switch

Housing material Metal Metal

Dimensions (L × W × H) 4.×.2.9.×.1.in..(10.×.7.3.×.2.4.cm) 4.×.2.9.×.1.in..(10.×.7.3.×.2.4.cm)

Specifications

9Specifications ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪

MXBM-621/C MXBM-621/O

Weight 7.4.oz..(210.g) 7.4.oz..(210.g)

Cable length 25.ft..(7.6.m) 25.ft..(7.6.m)

Cable connectors TA3.female,.XLR.male TA3.female,.XLR.male.

10▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ Troubleshooting

▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ Specifications

Problem Solution

The.microphone.

is.connected,.but.

there’s.no.sound.

•. Make.sure.that.both.XLR.connectors.on.the.cable.are.fully.inserted.into.the.

plugs.on.the.microphone.and.input.device.(conferencing.system.or..

mixing.board).

•. Make.sure.you.are.connected.to.an.XLR.port.with.phantom.power,.and.that.

the.phantom.power.is.turned.on.

•. If.the.indicator.LED.is.off,.touch.the.mute.button.to.unmute..

the.microphone.

•. Refer.to.the.user.manual.of.your.AV.conferencing.system.to.ensure.that.the.

input.settings.are.correct.

Troubleshooting

11Charts ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪

Specifications ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪

Frequency Response Graph - Cardiod

Frequency Response Graph - Omni

Cardiod Polar Pattern

Omni Polar Pattern

-20

Rela

tive R

esp

onse

in d

B

-30

-40

-50

-6020 50 100 200 500 1K 2K 5K 10K 20K

Frequency in Hertz

0°30°

60°

90°

120°

150°180°

210°

240°

270°

300°

330°

0°30°

60°

90°

120°

150°180°

210°

240°

270°

300°

330°-20

Rela

tive R

esp

onse

in d

B

-30

-40

-50

-6020 50 100 200 500 1K 2K 5K 10K 20K

Frequency in Hertz

GG2

Two-Year Limited Warranty

This.Senal.product.is.warranted.to.the.original.purchaser.to.be.free.from.defects.in.materials.and.workmanship.under.normal.consumer.use.for.a.period.of.two.(2).years.from.the.original.purchase.date.or.thirty.(30).days.after.replacement,.whichever.occurs.later..The.warranty.provider’s.responsibility.with.respect.to.this.limited.warranty.shall.be.limited.solely.to.repair.or.replacement,.at.the.provider’s.discretion,.of.any.product.that.fails.during.normal.use.of.this.product.in.its.intended.manner.and.in.its.intended.environment..Inoperability.of.the.product.or.part(s).shall.be.determined.by.the.warranty.provider..If.the.product.has.been.discontinued,.the.warranty.provider.reserves.the.right.to.replace.it.with.a.model.of.equivalent.quality.and.function.

This. warranty. does. not. cover. damage. or. defect. caused. by. misuse,. neglect,. accident,. alteration,. abuse,.improper.installation.or.maintenance..EXCEPT.AS.PROVIDED.HEREIN,.THE.WARRANTY.PROVIDER.MAKES.NEITHER.ANY.EXPRESS.WARRANTIES.NOR.ANY.IMPLIED.WARRANTIES,. INCLUDING.BUT.NOT.LIMITED.TO.ANY. IMPLIED.WARRANTY.OF.MERCHANTABILITY.OR.FITNESS.FOR.A.PARTICULAR.PURPOSE..This.warranty.provides.you.with.specific.legal.rights,.and.you.may.also.have.additional.rights.that.vary.from.state.to.state.

To.obtain.warranty.coverage,.contact.the.Senal.Customer.Service.Department.to.obtain.a.return.merchandise.authorization.(“RMA”).number,.and.return.the.defective.product.to.Senal.along.with.the.RMA.number.and.proof.of.purchase..Shipment.of.the.defective.product.is.at.the.purchaser’s.own.risk.and.expense.

For.more.information.or.to.arrange.service,.visit.www.senalsound.com.or.call.Customer.Service.at.212-594-2353.

Product.warranty.provided.by.the.Gradus.Group..www.gradusgroup.com

Senal.is.a.registered.trademark.of.the.Gradus.Group..©.2017.Gradus.Group.LLC..All.Rights.Reserved.