XIAOKOA N90 UHF Wireless Instrument Microphone User Manual

June 6, 2024
XIAOKOA

UHF Wireless Instrument Microphone N90 User Manual
Please Read The Instruction Carefully Before You Use It

Transmitter

  1. Digital displays (show battery level after 12s)
  2. Volume- (long press 3s switch frequency conversion mode and volume mode)
  3. Volume+ / long press 10s to pair
  4. Power on/off
  5. DV 5V charging port
  6. Charging indicator (red light when charging)
  7. Mic

Receiver

  1. 3.5mm output jack
  2. Working station indicator (blue light)
  3. Charging indicator (red light when charging)
  4. Power on/off 5. DV 5V charging port

Clips for musical instruments

  1. Direction buckle (Buckle the transmitter in the direction)
  2. Clip (Fix the transmitter on the saxophone’s bell)

Digital screen display introduction

It will be displayed the frequency/battery status and volume.

XIAOKOA N90 UHF Wireless Instrument Microphone -
digital

Battery status:
(1)”—” appearances on the display after 10 seconds without any operation,3 lines means 100% of electricity, 2 lines means 75% of electricity, 1 line means 50% of electricity. (2)When “—” flashes quickly, means the power is less than 25%, should be turned off and charged immediately.

Installation and disassembly of transmitter and clip

XIAOKOA N90 UHF Wireless Instrument Microphone - transmitter
clip

Installation method of transmitter

XIAOKOA N90 UHF Wireless Instrument Microphone -
method

correct installation:
The microphone should be at an Angle of 45° from the bell mouth, and the distance should not be less than 10cm
Incorrect installation:
The microphone is at an angle of 0 ° with the horn, and the distance is less than 10cm because too close a distance can easily cause microphone distortion.

Connect way of receiver

XIAOKOA N90 UHF Wireless Instrument Microphone - receiver
1

Need inset 6.3 mm receiver in 3.5mm adapter if the MIC jack is 3.5mm.

XIAOKOA N90 UHF Wireless Instrument Microphone -
adapter

(Al important step)

  1. How to connect the transmitter and receiver
    Turn on the transmitter, long press, and hold the “+” button on the transmitter, When the red light “—” on the display flashes and then releases.
    Turn on the receiver at same time and wait for pairing,blue light on receiver will flash. After a few seconds, the transmitter display is normal and the receiver blue light is on(stop flash). That’s mean paired successfully.

  2. How to change channel After the microphone and receiver is connect successfully,long press “—”button on transmitter switch to frequency conversion mode.The number at the beginning of the display “C” represents the channel mode (such as C06). Short press “+ F” key to change frequency, the number at the beginning of “U” indicates volume mode (such as U08).

  3. How to use multiple units that will not string frequency:
    This microphone can use up to 15 units at the same time,don’t string frequency and without interference.
    Note: When multiple units are used at the same time,need reconnect according to the above steps firstly.[refer to(Almportant step)] If 1 0 sets are used at the same time, long press the “—” button on the transmitter to switch to the frequency conversion mode, and then short press the “—” or “+” button to change the frequency conversion. The first set is adjusted to “C01”, the second set is converted to “CO2”, and the third set is converted to “CO3”. Note: Be sure to convert the frequency in order, multiple frequency numbers

  4. How to reset:
    Firstly. turn off the transmitter and receiver.
    Secondly, press the volume “+” button of the transmitter and don’t lose, turn on the switch at the same time,the red light on the display enters the cyclic flash mode and then releases.

Thirdly, turn on the receiver, the blue light will blink and wait for pairing.
Finally, the screen display is normal and the receiver’s blue light is on.
The reset is successful.

Product Parameter

Transmission frequency U Band
Audio Signal Digital Sampling 48Khz
Frequency Response 20Hz- •16Khz
Usage Time 5-6 hours
Wireless Range 50m (in the classroom )
Power consumption Odb<75mA
Audio output mixed output
Power supply built-in 400mAh polymer battery

Packing List

1 x Transmitter
1 x Receiver
1 x Clip
1 x Charging Cable
1 x 6.35mm Adapter
1 x User Manual

Questions & Answer

| Question|

Answer

---|---|---
1| Inconsistent sound| 1.  Narrow the distance between the microphone and the receiver.
2.  Adjust the receiver to the visible range as much as possible.
3.  Switch channels
2| The blue light of the receiver keep flash| 1.   Disconnect to see whether the microphone has been turned on or not.
Pairing operation required if necessary
2.   Narrow the distance with the microphone.
3| Display screen “—” flash quickly| The battery is low, need to charge.
4| No sound| 1.  Check if the microphone and the receiver pairing successfully
2.  Whether the receiver is properly connected to the amplifier
3. Check the amplifier is turned on or not.
5| The sound of the amplifier is too small| 1. Volume up the amplifier
2. Volume up the microphone
3. Adjust the distance and direction of the microphone from the instrument

Warranty

At XIAOKOA we believe in our products. That’s why we back them all with 1 years warranty and provide friendly, easy-to-reach support.

Customer Service

@XIAOKOA
support@xiaokoa.com http://www.xiaokoa.com

PLS CONTACT US DIRECTLY WITH ANY QUESTION OR ISSUE WE ARE ALWAYS HERE TO ASSIST YOU, THANKS!

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