Kruger Matz A20 KM0569 Stereo Amplifier Instruction Manual

Kruger Matz A20 KM0569 Stereo Amplifier Instruction

SPECIFICATIONS

• Model: KM0569
• Power Supply: DC 18-30 V
• Inputs: RCA, USB, Bluetooth, Coaxial, Optical
• Outputs: Speaker

PRODUCT DESCRIPTION
The Stereo Amplifier KM0569 is a high-quality audio amplifier that provides powerful sound output. It features various input options including RCA, USB, Bluetooth, Coaxial, and Optical. The front panel of the amplifier includes LED source indicators, a USB port for connecting external devices, an IR sensor for remote control, and knobs for adjusting bass, mid, and treble levels. The back panel includes RCA input, Coaxial input, Optical input, speaker output, and a power socket.

PRODUCT USAGE

Inserting Batteries into the Remote Control
To use the remote control, follow these steps:

1. Open the battery compartment on the back of the remote control.
2. Insert two AAA batteries, making sure to match the positive and negative terminals correctly.
3. Close the battery compartment.

Connecting the Speakers
To connect the speakers to the amplifier, follow these steps:

1. Locate the speaker output terminals on the back panel of the amplifier.
2. Connect the positive (+) terminal of each speaker to the corresponding positive (+) terminal on the amplifier.
3. Connect the negative (-) terminal of each speaker to the corresponding negative (-) terminal on the amplifier.

Operating the Amplifier
To use the amplifier, follow these steps:

1. Ensure that the amplifier is connected to a power source.
2. Turn on the amplifier using the power switch located on the front panel or the remote control.
3. Select the desired audio source using the source selection knob on the front panel or the corresponding button on the remote control.
4. Adjust the volume level using the volume adjustment knob on the front panel or the volume buttons on the remote control.
5. To adjust the bass, mid, and treble levels, use the respective knobs on the front panel.

Using Bluetooth Mode
To use the amplifier in Bluetooth mode, follow these steps:

1. Ensure that Bluetooth is enabled on your device.
2. Press the Bluetooth button on the front panel or the remote control to enter Bluetooth mode.
3. On your device, search for available Bluetooth devices and select “KM A20” to pair with the amplifier.
4. Once the pairing is successful, the blue LED indicator will light up.

FAQ (Frequently Asked Questions)

• Q: The sound is distorted. What should I do?
  A: If the sound is distorted, try the following troubleshooting steps:

  • Check if the audio source is set to an appropriate level.
  • Make sure that all connections are secure and properly plugged in.
  • Adjust the bass, mid, and treble levels to find a suitable balance.

• Q: Can I use unauthorized accessories with the amplifier?
  A: No, using unauthorized accessories may damage the amplifier. It is recommended to use only authorized accessories.

• Q: Can I service the amplifier myself?
  A: No, do not attempt to service the amplifier yourself as it may expose you to dangerous voltages or other hazards. Refer all servicing to qualified service personnel.

• Q: How should I protect the amplifier during a thunderstorm or when not in use for a long period?
  A: It is recommended to unplug the amplifier from the wall outlet during a thunderstorm or when it is left unattended and unused for a long period.

SAFETY INFORMATION

The producer does not claim liability for inappropriate use and handling.

1. Protect the product from water and humidity.
2. This product, in combination with speakers, may be capable of producing sound levels that could cause permanent hearing loss. Do not operate for a long period of time at a high volume level or at a level that is uncomfortable. If you experience any hearing loss or ringing in the ears, seek for medical advice.
3. Make sure the product is positioned in a place with proper ventilation. The product should be located away from heat sources such as radiators, heat vents, or other devices that produce heat.
4. The product should be connected to a power supply only of the type described in the operating instructions or as marked on the product.
5. This appliance may be used by children who are above 8 years old and by persons with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, if they are supervised and guided by a person who is responsible for their safety in a cautious manner, and all the safety precautions are understood and followed. Children should not play with this device. Children should not perform cleaning and servicing of the device unsupervised.
6. Never use this device if the power supply cord is damaged.
7. When you disconnect the power cord of the device, grasp and pull the plug, not the cord/cable.
8. Keep the device and its cord/cable away from heat, water, moisture, sharp edges and any other factor that may damage the appliance or its cord.
9. Disconnect the device from the power supply if it is not going to be used for a long time.
10. Keep the remote control battery away from children. Dispose of used battery promptly, replace only with a battery of the correct type.
11. ALWAYS disconnect this device from power supply mains before cleaning. Clean it with a soft, slightly damp cloth only. Do not use any chemical agents to clean the product.
12. Make sure to place this product on flat, dry and stable surface.
13. The power supply cables should be routed so that they are not likely to be walked on or pinched by items placed upon or against them, paying particular attention to cables at plugs and the point where they exit from the product.
14. Do not use unauthorized accessories as they may damage the unit.
15. Unplug this product from the wall outlet and refer servicing to qualified service personnel under the following conditions:
    • If the unit exhibits sudden unusual operation
    • If the product has been exposed to rain or water.
    • If the product has been dropped or damaged in any way.
16. Do not attempt to service this product yourself as removing cover may expose you to dangerous voltages or other hazards. Refer all servicing toq ualified service personnel.
17. Do not disassemble the device, as it may cause risk of electric shock. The product has no user-serviceable parts inside.
18. For added protection for this product during a thunderstorm, or when it is left unattended and unused for long period, unplug it from the wall outlet.
19. NOTES ON USE:
    • Avoid high temperatures
    • Allow for sufficient heat dispersion when installed on a rack.
    • Handle the power cord carefully.
    • Hold the plug when unplugging the cord.
    • Keep the set free from moisture, water and dust.
    • Unplug the power cord when not using the set for long periods.
    • Do not obstruct the ventilation holes
    • Never disassemble or modify the set in any way.

**PRODUCT DESCRIPTION

**

Front panel

1. LED source indicators

2. USB port

3. IR sensor

4. Bass knob

5. Mid knob

6. Treble knob

7. Multifunctional knob (power ON/OFF; source selection; volume adjustment)
   Back panel

8. Bluetooth antenna socket

9. RCA input

10. Coaxial input

11. Optical input

12. Speaker output

13. Power socket

Remote control

1. ON/OFF
2. Select source
3. Mute
4. Play/Pause
5. Previous track
6. Next track
7. Decrease volume
8. Increase volume
9. Number buttons
10. No function

REMOTE CONTROL BATTERY INSTALLATION

1. Open the battery cover.
2. Insert 2x AAA battery with correct polarization (+/-).
3. Close the battery cover.

Notes:

• Please remove the batteries if the remote control is not going to be used for a long time.
• Use only specified batteries.
• Do not mix different types of batteries.
• Always replace all batteries at the same time.
• Always point the IR sensor of the remote control towards the IR sensor on the front of the main unit.
• Make sure there are no obstacles between the IR

CONNECTING SPEAKERS

1. Plug the banana plugs to the corresponding colors onthe speaker and at the back of the main unit.

OR

1. Slightly unscrew the nuts on the sockets at the back of the main unit.
2. Insert the stripped part of the wire completely. The right speaker cables should be connected to the “R” socket, the left speaker cables to the “L” socket, making sure that the cables connected to the central unit are connected to the speakers in the same way (red socket on the central unit to the red socket on the loudspeaker, black in the same way as red).
3. Tighten the socket nuts firmly so that the inserted wires do not fall out.

OPERATION

1. Make sure the multifunctional knob is set to the minimum.
2. Connect the speakers as described in “Connecting speakers” section above.
3. Use the appropriate cables and connect the audio source device to the corresponding interface at the back of the amplifier.
4. Connect the plug of the AC adapter to the power socket at the back of the main unit and then connect the amplifier to the wall outlet.
5. Press the multifunctional knob to turn on the amplifier.
6. Keep pressing the multifunctional knob to select the desired source. The corresponding LED indicator will light up.
   RCA| USB/BT| OPT/COA| Signal (Digital signal indication)
   ---|---|---|---
   Blue LED is solid| Blue LED flashes: Bluetooth pairing mode Blue LED is solid: Bluetooth connected

Red LED is solid: USB flash drive is connected

| Red LED is solid: optical input signal Blue LED is solid: coaxial input signal| LED is on: audio source device is connected to the optical/ coaxial input LED is off: audio source device is not connected to the optical/ coaxial input
7. Use the multifunctional knob to set the desired volume. 8. Use the remaining knobs on the front panel to adjust the sound. 9. To turn off the amplifier, press and hold the multifunctional knob

BLUETOOTH MODE

1. Screw the Bluetooth antenna to the antenna socket at the back of the main unit.
2. Press the multifunctional knob on the main unit and switch to Bluetooth pairing mode. Blue LED flashes.
3. Turn on the Bluetooth function on your device.
4. Select and connect with the device (KM A20).
5. After successful pairing, blue LED turns solid.

Notes :

• Every time the amplifier is turned on, it will connect to the last connected device automatically. Please note, your device must be on with Bluetooth function turned on.
• The operational range between this unit and a Bluetooth device is approximately 10 m (when Bluetooth antenna is connected). Any obstacle between this unit and a Bluetooth device can reduce the operational range.
• If the distance between the devices exceeds the communication range, the devices will disconnect. To reconnect the devices, place them within range.
• Compatibility with all Bluetooth devices is not guaranteed
• Keep this unit away from any other electronic device that may cause interference.

TROUBLESHOOTING

on.

2.   Check if the volume knob is set to the minimum; if so, ten rotate it clockwise to increase volume

3.   Check if the playback on the audio source device is paused, muted or at the

minimum volume level.

Sound is distorted| 1.  If the power of the speakers differs significantly from the power of the amplifier, sound distortions may occur

2.   If the volume on the amplifier and on the audio source device is set to the maximum, sound distortions may occur. Please decrease the volume on

one of the devices.

The volume level varies| The amplitude of the
depending on the| the electrical signal varies from
connected equipment| device to device.

Differences in sound levels

| are normal.

SPECIFICATION

• Max. output power: 2x 100 W (@4 Ohm)
• Speaker impedance: 3 – 8 Ohm
• Frequency response: 20 Hz ~ 20 kHz (± 1 dB)
• S/N ratio: ≥ 98 dB
• THD: 0,08% (@1 W)
• Input sensitivity: 0,775 V
• Coaxial/optical sampling rate: 192 kHz/24 bit
• Treble, mid, bass adjustment range: ± 6 dB
• Bluetooth: 5.0
• Bluetooth range: up to 10 m
• Bluetooth profiles: A2DP
• Max. Bluetooth transmission power: 3 dBm
• Bluetooth frequency: 2402 – 2480 MHz
• Supported formats: MP3, WAV, FLAC, APE, WMA
• Audio inputs:
  • RCA input
  • Coaxial input
  • Optical input
  • USB-A port
• Speaker output
• Bluetooth antenna socket
• DC power socket (DC plug: 5,5 x 2,5 mm)
• Remote control power supply: 2x AAA battery (not included)
• Max. power consumption: 200 W
• Power supply: 18 – 30 V
• AC/DC adapter:
• Input: 100 – 240 V; 50/60 Hz
• Output: 24 V / 4 A
• Weight: 537 g
• Dimensions: 146 x 132 x 40 mm
• In set: remote control, Bluetooth antenna, AC/DC adapter

Lechpol Electronics Leszek Sp.k. hereby declares that stereo amplifier KM0569 is consistent with directive 2014/53/UE. Full text of the EU Declaration of Conformity is available at the following Internet address: www.lechpol.pl.

Correct Disposal of This Product

(Waste Electrical & Electronic Equipment) (Applicable in the European Union and other European countries with separate collection systems) This marking shown on the product or its literature, indicates that it should not be disposed of with other household wastes at the end of its working life. To prevent possible harm to the environment or human health from uncontrolled waste disposal, please separate this from other types of waste and recycle it responsibly to promote the sustainable reuse of material resources. Household users should contact either the retailer where they purchased this product, or their local government office, for details of where and how they can take this item for environmentally safe recycling. Business users should contact their supplier and check the terms and conditions of the purchase contract. This product should not be mixed with other commercial wastes for disposal.
Made in China for Lechpol Electronics Leszek Sp.k.,ul. Garwolińska 1, 08-400 Miętne.www.krugermatz.com

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