Neewer CM28 Manual

Neewer Mikrofon CM28

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Side 1/1

5V 2A

Thank y f in thi wi mou or oos ch g s reless icrophone!

① TX Channel Display: White when not conne te , greenc d

when connected.

② TX Battery Level Display.

③ Wireless Signal Strength Display.

④ RX Battery Level Display.

⑤ Volume Output Strength Display.

⑥ Microphone Radio Strength Display.

⑦ Output Mode Display: Mono (mixed output, combining

audio from both channels 1 and 2 on the l ft and ighte r

channels), Stereo (separate left and right hannel outpuc t,

with channel 1 on the left and channel 2 on the right), Ms

(mid-Side, safe track output with the right channel 6dB

lower than the left channel).

③ ④

④ Display Screen

⑤ Audio OUT Port

⑥ Type-C Port

OUT

Transmitter x 2

Receiver x 1

Instruction

Manual x 1

Charging Case x 1

Product Overview

Package Contents

Product Illustration

Description of Functions

The NEEWER wireless microphone features 2.4G band adaptive

frequency hopping communication and digital wireless low

latency technology, ensuring high-quality audio and a stable

wireless connection.

1. This product is a precision electronic device. Please avoid

exposing it to water or accidentally dropping it.

2. If water accidentally enters the device, turn it oﬀ immediately,

shake oﬀ the water, and seek assistance from a qualiﬁed

professional.

3. If the product is not used for an extended period, it is

recommended to fully charge the battery once every three

months to maintain its performance.

4. Ensure that the battery in the product is not exposed to

sunlight, ﬁre, or other high-temperature environments.

5. In case the TX/RX devices cannot be turned oﬀ, perform a

reset by pressing and holding the power button for 8 seconds.

USB Cable x 1

Camera Audio

Cable x 1OTG Adapter x 1

Windshield x 2

I iew ideal or erv f int s, rad o, or deo sh t vi record g, ebcasin w ting,

t and ieac g,hin var ous er appl ca oth i tions th t wia requ rei reless

sou ra ssnd t nsmi ion.

① External Microphone Jack

② Built-in Microphone

③ Type-C Port

④ Power and Connection Indicator

① ②

①

① Power Indicator ② Charging Port

②

③

④

⑤

⑥

⑦

⑤ Function Setting

Indicator

⑥ Power Button

⑦ Function Button

①

②

③

⑧ ⑨

④

⑤

①

②

⑤ ⑥ ⑦

③

④

⑤

⑥

④

②

③

① Headphone Monitor Port

② Power Button

③ Function Button

③ ilt-Bu in Mi mnicrop e:hon O direc al or de soution f wi nd

A win hi i tcap ure.t ds eld s ialso suppl ed o d oise.reduce win n

1. Transmitter Functions:

How to Use

How to Use How to Use

How to Use

Product Speciﬁcations

Notes

Transmitter：

3. Display Functions:

2. Receiver Functions:

Receiver：

Charging Case：

① w and o di tPo er Co ecnn ti n In ca or: A sol blueid light indi t ca es

th t th i nna e idev ce s co ected as es and ﬂ h wh n n t ye o et

nnco ec ed.Tt he light wi ﬂ h wh n th tt y ill as red e e ba er s w lo

and s o th iere n co ecnn tion.

② nc o eFu ti n S ttin Ing di t The ligca or: blue ht wi in it tll re ma l o

indicate a e th t th n ti n foi nse ca cella o eature ac ve is ti .

R in i in wh n thiecord g s progress e s lig h ht ﬂas es red. The

blue lig eht wi ﬂ h whll as n bo se ca cellath noi n ti n o and

in f tirecord g unc ons .are ac veti

④ Power Button: Long press for 1 second to turn the

transmitter on/oﬀ.

⑤ Function Button: Press to toggle to noise cancellation. A

long 2-second press of this button will allow you to toggle

to the recording function (if available).

① Power Button: Press and hold for 1 second to turn the

receiver on/oﬀ.

② Function Button: Press to adjust volume, and long press to

switch output mode.

③ Audio OUT Port: Connect to a recording device ( for

example a camera).

④ Type-C Port: For charging and connecting to devices like

mobile phones/computers.

SET

1. Pairing:

If th X e T and i un o t is RX dev ces are able t es abl h a on, co ecnn ti

f e st ollow th eps belo paw to ir em: th

① TX (Transmitter):

While the transmitter is powered on, press and

hold both the power button and function button

simultaneously for 2 seconds. The indicator light

will ﬂash rapidly (if there are 2 TXs, repeat this

operation), then move on to step 2.

② RX (Receiver):

With the receiver powered on, press and hold the

power button and function button simultaneously

for 2 seconds. The signal icon on the display will

start to ﬂash.

SET

2. Installation and Use:

① Press and hold the power buttons of both the X and RXT

devices to turn on the power.

② Attach the TX transmitter

to a suitable place on your

clothing.

TX Transmitte RX Receiverr

④ Use the Camera Audio Cable to connect the Audio OUT port

on the RX receiver and the MIC input port on the camera.

⑤ Set the RX output volume to levels 2-3 and adjust the

camera recording volume lower to improve the signal-to-

noise ratio and prevent clipping distortion.

OUT

MIC

③ Attach the "RX receiver" to the camera.

SET

5. TX Built-in Recording Function:

Long press the SET button on the TX device for 2 seconds to

open or close the recording function. This function i only fos r

radio backup purposes, and the recording ﬁles will be

automatically saved or deleted in a loop.

Note: The storage space is approximately 4GB. Recordingcan

be exported using a Type-C data cable.

OUT

3. Using RX with a Smartphone:

Use a Type-C or Lightning/OTG adapter to connect the RX to

the Type-C port on your phone.

Note: For some Type-C phones, you may need to enable the

"OTG" function in the phone settings.

OUTOUT

4. Using RX with Other Devices:

① Use the Type-C/OTG adapter to connect the Type-C port

on the RX to the Type-C/USB port on your computer.

② Use a 3.5mm camera audio cable to connect the AUDIO

OUT port on the RX to the MIC port or LINE IN port on the

sound card.

Toxic Substances and Elements in the Product

Component

Names

Built-in

circuit board

Lead

"O" indicates that the content of toxic and hazardous

substances in all homogeneous components is below the

limit requirements speciﬁed in the SJ/T11364-2014 standard.

Note 1: Most of the components in this product are made of non

-toxic and non-hazardous materials. However, due to limitations

in global development, some components containing toxic and

hazardous substances or elements cannot be substituted.

Note 2: The reference guarantee of the environmental

protection utility period is dependent on the temperature and

other conditions during the normal operation of the product.

The EPUP (Environmental Protection Use Period) mark

signiﬁes a period of ten years from the date of production. It

ensures that electronic information products containing

hazardous elements, under normal use conditions, will not

cause signiﬁcant environmental pollution or serious damage

to individuals and property for a period of ten years.

* The product images used in this manual are for illustrative purposes

only. Please refer to the actual shape and color of the product.

* The company reserves the right to make improvements to the product

and modify the information provided without prior notice.

Product Model

Wireless Frequency Range

Modulation Method

Audio Frequency Response

Wireless Transmitting Power

Built-in Battery

Charging Input

CM28

2400—2483.5MHz

GFSK

30Hz—20KHz

≤10dBm

3.7V Lithium Polymer Battery

5V 500mA

Notes:

- Open the top lid of the charging box to activate the indicator and

check the remaining power.

- The charging box automatically enters charging mode when the

lid is closed.

- The battery capacity allows for two charging cycles for TX+TX+RX.

- The lid automatically opens when TX+RX is turned on, and the

charging box lid opens automatically when TX+RX is turned oﬀ.

⑧ Transmitter Recording Status Display: "REC" indicates

recording in progress (if available).

⑨ USB Connection Display: Shown when successfully

connected to a phone or computer via the "OTG audio

cable".

③ Wait for both of the TX and RX devices to stop

ﬂashing which indicates that pairing has been

completed.

REC

-01- -02-

-03- -04-

-05- -06-

-07- -08-

-09- -10-

Mercur Cadmiuy m

Hexavalent

Chromium

PBB

Housing

Accessories

"X" indicates that the content of toxic and hazardous

substances in at least one homogeneous material of the

component exceeds the limit requirements speciﬁed in the

SJ/T11364-2014 standard.

TX/RX connection auto shuts down

after 5 minutes.

Operating Temperature

Storage Temperature

Energy Saving Mode

0℃—55℃

-20℃—55℃

(TX) 1.85"x1.02"x0.51"/47x26x13mm

(RX) 1.85"x1.14"x0.55"/47x29x14mm

Product Weight

Charging Case：

Charging Input

Built-in Battery

Product Speciﬁcation

(TX) ≈0.63oz/18g / (RX) ≈0.74oz/21g

3. / u7V 2000mAh Lithi m Pol er Baym ttery

EN EN

Produkt Specifikationer

Mærke:	Neewer
Kategori:	Mikrofon
Model:	CM28

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