Hotec K Series User manual

Quick Start Guide
For Hotec K Series Wireless Microphones
Thanks for purchasing Hotec K Series Wireless Microphone. Please read through this user
manual carefully before use.
SYSTEM COMPONENTS
K25
Recever x 1
Bodypack transmitter x 2
Headset microphone x 2
Power adapter x 1
Mic cable (1/4” to 1/4”) x 1
Lapel lavalier microphone x 2
USB charging cable x 2
K25
K26
K26
Receiver x 1
Handheld microphone x 2
Power adapter x 1
Mic cable (1/4” to 1/4”) x 1
AA battery x 4
Hotec
®
is the registered trademark of Shenzhen Tecson Trade and Technolgy Co., Ltd.
K26

PREPARATION BEFORE USE
1. Install the right and left antenna in the Receiver.
2. Plug the power cable in the DC jack of the Receiver.
3. Connect the Receiver with your sound device like mixer, active speaker or amplifier using the
audio cable.
4. For K26, install 2 AA batteries in each handheld microphone.
5. For K25, choose the lapel lavalier microphone or the headset microphone and plug it in the
mic jack in the Bodypack transmitters. Make sure the Bodypack transmitter is charged and
has sufficient power.
OPERATION GUIDE
This UHF wireless microphone system has 64 frequencies for selection. This system supports
multiple sets to be used simultaneously.
1. K26: Single system operation instructions
Here are the operation instructions if you have ONE set of K26.
a) Turn on the Receiver and the handheld microphone after the above preparations are
done, you are ready to go.
b) In case you find any interference, press the Hi/Lo button in the battery compartment of
the Handheld microphone to change the frequency until you find an appropriate one.
The Receiver will get paired with the Handheld microphone automatically.
c) Turn the volume knob in the Receiver to change the microphone volume. The left
volume knob is for Channel A and the right volume knob is for Channel B.
2. K26: Multi systems operation instructions
In case you are having more than one sets working together, here are additional steps
to follow to avoid interference with each other.
a) Select an appropriate frequency from the Handheld microphone for each set, press the
upper/lower button of the receiver at the same time to lock the frequency. Then, the
Receiver works with the microphone at this locked frequency.
b) If you want to change the frequency again, press the upper/lower button of the
receiver again to unlock, then repeat step a) above for a different frequency.
c) Make sure each set is working at different frequencies.
3. K25: Single system operation instructions
Here are the operation instructions if you have ONE set of K25.
a) Turn on the Receiver and the Bodypack transmitter after the above preparations are
done, you are ready to go.
b) In case you find any interference, press the Right/Left button of the Bodypack
transmitter together to change the frequency until you find an appropriate one. The
Receiver will get paired with the Bodypack transmitter automatically.
c) Press the Right or Left Button of the Body pack transmitter to change the microphone
volume. Right for volume up and Left for Volume down. You can also turn the volume

knob in the Receiver to change the microphone volume. The left volume knob is for
Channel A and the right volume knob is for Channel B.
4. K25: Multi system operation instructions
In case you are having more than one sets of K25 working together, here are additional
steps to follow to avoid interference with each other.
a) Select an appropriate frequency from the Bodypack transmitter for each set, press the
upper/lower button of the receiver at the same time to lock the frequency. Then, the
Receiver works with the microphone at this locked frequency.
b) If you want to change the frequency again, press the upper/lower button of the
receiver again to unlock, then repeat step a) above for a different frequency.
c) Make sure each set is working at different frequencies.
SPECIFICATION
System Specification
Receiver Specification (Metal)
Dimension 9x6.3x1.8 inch
Frequency Range UHF 500-928MHz
Preset Frequencies 64 (auto pairing)
Working Range Up to 165 Feet
Power Supply DC 5V ~ 12V 500Ma
Handheld Microphone Specification (Metal)
Carrier Frequency Power 30Mw
Battery Type 2 X AA Size
Working Time Up to 6 Hours
Dimension 10x2.2inch
Bodypack Microphone (Metal)
Carrier Frequency Power 30Mw
Power Consumption 80Ma
Power Capacity 650Ma
Charging Time About 2 hours (5V/1A)
Modulation Mode DQPFSK
Frequency Range UHF 500-928MHz
Preset Frequencies 64 (auto pairing)
Frequency Response 75Hz~18kHz +/- 3Db
Max. Deviation Range +/-50kHz (with level limiting)
T.H.D. <1.0% @1kHz
S/N >98Db
Working Range Up to 165 Feet
RF Carrier Stability +/- 0.005% (14℉-122℉)

TROUBSHOOTING
Issue Indicator Status Solution
No sound or faint sound
Handheld Microphone
or Bodypack transmitter
power light on, receiver
LEDs on
Verify all sound system connections
Receiver LED off
* Make sure AC adapter is securely plugged into
the electrical outlet.
* Make sure AC electric outlet works and is
supplying proper voltage
Handheld Microphone
or Bodypack transmitter
power light glowing or
flashing red
*Replace the battery for handheld microphone or
charge the Bodypack transmitter.
* If the indicator continues flashing red after
batteries are replaced or charged, the
microphone or the Bodypack transmitter may
belong to incomplete frequency bands. Contact
Hotec customer service for assistance.
Handheld Microphone
or Bodypack transmitter
power light off
*Turn on the Handheld Microphone or Bodypack
transmitter
* Make sure the +/- indicator on batteries match
the handheld microphone terminals
* Insert fresh batteries
* Charge the Bodypack transmitter and make
sure it has sufficient power.
Distortion or unwanted noise
bursts N/A
*Remove nearly sources of RF interference (CD
players, computers, digital effects, in-ear monitor
systems, etc)
Change receiver and handheld microphone or
Bodypack transmitter to a different frequency.
* Replace handheld microphone batteries or
charge the Bodypack transmitter.
If using multiple sets, change the frequency of
one of the active sets.
Distortion increases gradually or
the handheld microphone or
Bodypack transmitter cannot be
turned on
Handheld microphone
or Bodypack transmitter
power light glowing or
flashing red
Replace handheld batteries or charge the
Bodypack transmitter
Operation range is too short Signal is not good Check if both antenna are installed correctly
The frequency on the receiver does
not change when the frequency of
the transmitter/handheld
microphones change.
There is a lock icon
in the Receiver LCD
screen above the
frequency number.
Short press the upper and lower button of the
Receiver to remove the lock.

Microphone care
1. Avoid dropping the microphone.
2. Do not unscrew the microphone grill.
3. Clean the Handheld microphone, Receiver or Bodypack transmitter with a dry
cloth when necessary.
4. Keep the Handheld microphone, Receiver or Bodypack transmitter dry and
avoid exposure to extreme temperatures and humidity.
5. If the Handheld microphone is not in use for a long time, take off the AA
batteries.
6. Unplug the AC adapter from the power socket when the Receiver is not in use.
Manufactured by Shenzhen Tecson Trade and Technology Co., Ltd. Please contact our customer
service if you need any assistance at [e-mail].