background image

Turn on Transmitter and Headphones   

2.1 Powering up transmitter 

Powering up the transmitter with the USB cable provided. Connect it to a TV USB 
port or any other USB charger that supports 5V/500mA-2A.

2.2 Turn on both devices

Turn on the transmitter - Slide on/off switch to “ON” position,       close to       flashes 

BLUE

 once per 2 seconds.  

Turn on the headphones - Press and hold        for 3 seconds until you see the first 
sight of 

BLUE

 light.

They will auto-reconnect, indicators are: 1) Headphones say “ Your device is 
connected”. 2)      close to       on the transmitter and LED on headphones turn SOLID 

BLUE

.

Fig 3-2 

Set TV speaker to “External Speaker”

Fig 3-3

 Set TV Audio Format to “PCM” (IMPORTANT)

Product overview  

How to use

Check your TV/Audio Source output options

1

2

3.1

3.2

N/A

3.4

3.3

Optical

OUT

RCA jacks 

labeled 

"AUDIO OUT" 

L

R

AUX/3.5mm

Other RCA 

jacks (usually

audio IN)

Please refer 

to Point:

Natively 

Supported?

Jack

Options

3

Connect Transmitter to your TV/audio source

Fig 1-1 

Output options

Fig 3-1

 

Set up Audikast Plus using optical audio out

Optical audio cable

   

OPTICAL

3.1 Optical Audio Out 

Now, you should be able to hear sound from headphones, if no sound:
a.  Ensure your TV Speaker is set to“External Speaker”

b.  Ensure TV Audio Format is set to“PCM”or turn off“Dolby/DTS”(This is

 IMPORTANT

)

C.  Ensure the sampling rate of audio source is not more than 16bit/48KHz.

Speakers

Internal speakers
External speakers
Headset

Settings

Audio Format

PCM

Dolby Digital
DTS
DTS Neo 2:5

Note: Unplug any devices from the 3.5mm AUX jack while using the OPTICAL output.

EN

Big Phone

Jack

Micro USB power cable 

What’s in the box.

1

2

4

3

5

6

3.5mm to RCA

Audio Cable

Micro USB 

Power Cable

HT 4186

BT Headphones

Audikast Plus

BT Transmitter

3.5mm 

Audio Cable

Optical 

Audio Cable

Fig 3-4

 Set up Audikast Plus using AUX/3.5mm audio out 

Fig 3-5

 Set TV speaker to “Headset”

Fig 3-6

 Set up Audikast Plus using RCA audio out

Fig 3-7

 Use the right RCA ports 

Fig 3-8

 Set TV speaker to “External Speaker”

Fig 3-9

 Set up Audikast Plus using 6.35mm phone jack

3

Micro USB power cable 

PHONES

PHONES

3.5mm audio cable

6.35mm to 

3.5mm Converter (purchase separately)

3.4 Receiver with 6.35mm Phone Jack at Front 

Now, you should be able to hear sound from headphones, if no sound:

a.  Ensure use TV Red/White ports labeled

 “

AUDIO OUT

, other Red/White ports are

      incorrect.

b.  Ensure your TV Speaker is set to

 “

External Speaker

Note: Do NOT use the RCA ports on the back of an AV receiver. These are not suitable 

and will not work or could even permanently damage your Audikast product!

Speakers

Internal speakers
External speakers
Headset

AUX/3.5 mm audio cable

AUX/3.5mm

Micro USB power cable 

AUDIO OUT

AUX/3.5 mm audio cable 3.5mm to RCA audio cable

Micro USB power cable 

AUDIO OUT

Speakers

Internal speakers
External speakers
Headset

3.3 RCA Audio Out (Red/White ports labeled "AUDIO OUT ") 

3.2 AUX/3.5mm Audio Out

Now, you should be able to hear sound from headphones, 
if no sound, ensure your TV speaker is set to “Headset”.

Z-PKQG-4186-F-V2

Dispose of the packaging and
this product in accordance with
the latest provisions.

Model No:BTHT-4186-BLK

Any questions? Contact:

[email protected]

 

Self-service Support:

•  

More FAQs on support.avantree.com

•  100+ Step by step video Guide – youtube.com/avantree/playlists

Telephone Support (Mon-Fri): 

•  USA / 1 800 232 2078 (EN, PST  9am-5pm)

•  EU / Asia telephone No. refer to http: //www.avantree.com/contact-us

(Response Time: 1 working day)

NOTE:

 How to use these with my PC? Please search for ”HT4186” on support.avantree.com 

            for FAQ and video guides.

NOTE:

 How do I wear these earphones? Please search for “HT4186” on support.avantree.com

            for FAQ and video guides.

Bluetooth Transmitter and 

Headphone set

Model No: BTHT-4186

User Manual
Bedienungsanleitung
Mode d’emploi
Manuale di Istruzioni
Manual de Usuario

EN

DE

FR

I T

ES

*Please watch 

step-by-step video tutorial

  from

 

avantree.com/ht4186/video

 before installation.

No need to pair! Units auto-reconnect each time they’re turned on!

IMPORTANT NOTICE

L

R

AUX

SBC

FS

APTX

LL

AUX

USB

OPT

ON/OFF

DCIN

OPTICAL

      

for HT4186 headphone 

Codec indicators 

Bluetooth status 

indicator for

ON/OFF

AUX OPT

LL

FS

LL

APTX

SBC

USB

     for 2nd headphone

Bluetooth status

indicator for    

Audio input indicators

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