QTX KAD-2BT Bruksanvisning

QTX hi-fi system KAD-2BT

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KAD-2 BT
DIGITAL STEREO AMPLIFIER with BLUETOOTH
Item ref: 103.122 UK
User Manual
Specifications:
Power Supply 230Vac, 50Hz (IEC)
Output Impedance - 4 8Ω
Output Power (8Ω) 2 x 25W rms / 2 x 40W max. (EIAJ Standard @ 1kHz 10% THD)
Output Power (4Ω) 2 x 35W rms / 2 x 55W max. (EIAJ Standard @ 1kHz 10% THD)
Input sensitivity: line 380mV
Input sensitivity: mic 15mV
Dimensions 200 x 200 x 65mm
Weight 1.6kg
Version 2.1
103.122UK Manual
Introduction
Thank you for choosing the QTX KAD-2BT stereo amplifier. This compact class D digital amplifier is
capable of delivering a powerful 55W max output per channel. With 4 selectable inputs, 2 mic inputs and
various controls, this is a great multipurpose amplifier for both domestic and commercial use.
Product layout:
1. Power switch
MEDIA PLAYER:
2. SD card slot
3. USB memory stick slot
4. Previous track/hold for Rewind
5. Play/Pause
6. Next track/hold for Fast-Forward
7. Input selection
8. Input display
MAIN UNIT:
9. Volume control
10. 6.3mm jack microphone input
11. Aux input, 3.5mm jack socket
12. Rotary input selector
13. Input bass level control
14. Input treble level control
15. Microphone input echo effect
16. Microphone input tone control
17. Microphone input level control
18. RCA stereo line inputs
19. Spring clip for FM antenna
20. Spring clip speaker output
21. IEC mains input
Impedance Matching:
KAD-2BT is capable of 4-16Ω impedance output if more than one speaker is to be connected to the
amplifier per channel. Please ensure the total impedance of the speakers are within the range.
Speakers can be wired in two different ways, in parallel or in series. The total impedance can be worked
out by the following formulas for the two different ways of wiring:
Parallel Connection - 1/Rtotal = 1/R1 + 1/R2 + 1/R3…….
103.122UK Manual
Series Connection - Rtotal = R1 + R2 + R3…….
Installation:
Before installation, please ensure power is switched off and mains unpluged from the wall to avoid
damage to equipment and installer.
Wire speakers to the amplifier as shown above, ensure the positive and negative terminals are wired
correctly. Audio input on the back is through 3 pairs of RCA connectors, ensure left and right signals are
correct for stereo output. Finally insert the IEC plug and connect the unit to the mains. Before switching
on, always ensure the master volume is set at the lowest point to avoid power surge damage to the unit
or speakers. Adjust the volume accordingly to an appropriate listening level.
Media Player:
KAD-2BT has a built in media player which functions as an MP3 player, FM tuner and Bluetooth receiver.
To use turn the input selector to media player.
MP3 Player MP3 files can be played through an SD card or USB stick. Plug in the memory device and –
media will automatically start playing. Alternatively press Mode button until “USB” is displayed on the
screen. To make a selection, press for previous or for next song respectively (press and hold for  
reverse or press and hold for fast-forward). For play and pause press button. the
Bluetooth for B– luetooth connection press MODE button until “BT” is displayed on the screen. From
your Bluetooth search function (please refer to device manual for instructions) look for “KAD 2BT” to pair -
with, you should hear a tone once successfully connected. Step through tracks on the playback device
using the or buttons. For play and pause press the    button.
FM radio – for FM radio press MODE button until “FM” is displayed on the screen. Press the play and
pause button to intiate search function through FM frequencies, all searched radio stations will be 
stored (up to 99 stations). After the search is complete, it will automatically select the station on the
lowest frequency. Press the or buttons to step through the tuned stations.  

Produktspecifikationer

Varumärke: QTX
Kategori: hi-fi system
Modell: KAD-2BT

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