1. Important Safety Instructions
- Read these instructions thoroughly before operating the device.
- Keep these instructions for future reference.
- Heed all warnings on the product and in the operating instructions.
- Follow all instructions for use and maintenance.
- Do not use this apparatus near water.
- Clean only with a dry cloth.
- Do not block any ventilation openings. Install in accordance with the manufacturer's instructions.
- Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
- Protect the power cord from being walked on or pinched, particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.
- Only use attachments/accessories specified by the manufacturer.
- Unplug this apparatus during lightning storms or when unused for long periods of time.
- Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.
2. Package Contents
Verify that all items listed below are included in your package:
- CD Player (1 unit)
- Type C Cable (1 unit)
- Remote control (1 unit)
- User Manual (1 unit)
- 5V-1.5A USB adapter (1 unit)
- 3.5mm male-to-male audio cable (1 unit)
3. Product Overview
The CARONSORT KC606 is a versatile CD player boombox designed for home use, offering multiple audio playback options and a modern, compact design. It features built-in speakers, Bluetooth connectivity, FM radio, USB playback, and an AUX-in port.

Figure 3.1: Front view of the CARONSORT KC606 CD Player Boombox with included remote control.
3.1 Controls and Ports
The device features intuitive controls on the top panel and various connectivity ports on the side for enhanced functionality.

Figure 3.2: Side panel illustrating the AUX input/output, USB Port, Type-C 5V/2A power input, and ON/OFF switch.
- Top Panel Buttons: Mode, Volume Down (-), Volume Up (+), Previous Track, Play/Pause, Next Track.
- Side Panel Ports: AUX input/output, USB Port, Type-C 5V/2A Power Input.
- Power Switch: Located on the side panel.
- CD Compartment: Front-loading, with a clear cover.
4. Setup
- Unpack the Device: Carefully remove the CD player and all accessories from the packaging.
- Connect Power: Insert the Type-C cable into the 5V/2A power input port on the side of the CD player. Connect the other end of the cable to the provided 5V/2A USB adapter, and then plug the adapter into a standard wall outlet.
- Power On: Locate the ON/OFF switch on the side panel and slide it to the 'ON' position. The display will illuminate.
- Remove Protective Paper: If present, gently remove any protective paper from the CD compartment before inserting a CD.
5. Basic Operation
5.1 Power On/Off
- To power on the device, slide the ON/OFF switch on the side panel to the 'ON' position.
- To power off the device, slide the ON/OFF switch to the 'OFF' position.
5.2 Mode Selection
Press the 'MODE' button on the top panel or the remote control to cycle through available modes: CD, Bluetooth (BT), FM Radio, USB, and AUX-in.
5.3 Volume Control
Use the '-' and '+' buttons on the top panel or the remote control to adjust the volume level.
6. CD Playback
The CD player supports CD, CD-R, CD-RW, MP3, and WMA formats.

Figure 6.1: Compatible CD formats for the KC606 CD player.
- Select CD Mode: Press the 'MODE' button until 'CD' appears on the display.
- Open CD Compartment: Gently press the center of the clear CD cover to release and open it.
- Insert CD: Place a CD with the label side facing up into the compartment.
- Close CD Compartment: Close the clear CD cover until it clicks securely into place.
- Playback: The player will automatically begin reading the CD. If it does not, press the 'Play/Pause' button.
- Controls: Use the 'Previous Track', 'Next Track', and 'Play/Pause' buttons on the top panel or remote for playback control.
- Repeat/Random: Use the 'REPEAT' or 'FM/SH' (Shuffle) buttons on the remote to change playback modes (Single, Repeat All, Random, A-B Repeat).
Video 6.1: Demonstration of CD insertion and mode switching on the CARONSORT KC606 CD Player.
7. Bluetooth Operation
7.1 Bluetooth Pairing (Receive Mode)
- Select Bluetooth Mode: Press the 'MODE' button until 'BLUE' (Bluetooth) appears on the display. The device will enter pairing mode, indicated by a flashing Bluetooth icon.
- Enable Bluetooth on Your Device: On your smartphone, tablet, or other Bluetooth-enabled device, enable Bluetooth and search for available devices.
- Connect: Select 'KC606' from the list of available devices. Once connected, the Bluetooth icon on the CD player's display will stop flashing.
- Play Audio: You can now stream audio from your connected device to the CD player.
7.2 Bluetooth Transmission (Transmit Mode)
The KC606 can transmit audio from a playing CD to external Bluetooth speakers or headphones.

Figure 7.1: The CD player transmitting audio via Bluetooth to external speakers.
- Start CD Playback: Ensure a CD is playing in CD mode.
- Activate Transmission: Press the 'BT/TX' button on the remote control. The device will search for nearby Bluetooth receiving devices.
- Pair with External Device: Put your Bluetooth speakers or headphones into pairing mode. The CD player will automatically connect to the nearest available device.
- Enjoy Wireless Audio: Audio from the CD will now be transmitted to your external Bluetooth device.
8. FM Radio Operation
The built-in FM radio allows you to listen to local radio stations within the 76MHz-108MHz frequency range.

Figure 8.1: Enjoying FM radio on the CARONSORT KC606 CD player.
- Select FM Mode: Press the 'MODE' button until 'FM' appears on the display.
- Auto Scan: Press the 'FM/SH' button on the remote control to initiate an automatic scan for available radio stations. The player will scan and save stations.
- Tune Stations: Use the 'Previous Track' and 'Next Track' buttons on the top panel or remote to navigate through the saved stations.
9. USB Playback
Play MP3 and WMA audio files directly from a USB flash drive.
- Insert USB Drive: Insert your USB flash drive into the USB port on the side of the device.
- Select USB Mode: Press the 'MODE' button until 'USB' appears on the display.
- Playback: The player will automatically detect and begin playing audio files from the USB drive.
- Controls: Use the 'Previous Track', 'Next Track', and 'Play/Pause' buttons on the top panel or remote for playback control.
10. AUX-in Connection
Connect external audio devices (e.g., smartphones, MP3 players) using the 3.5mm AUX-in cable.
- Connect Cable: Plug one end of the 3.5mm audio cable into the AUX-in port on the side of the CD player and the other end into the headphone jack or audio output of your external device.
- Select AUX Mode: Press the 'MODE' button until 'LINE' (AUX-in) appears on the display.
- Play Audio: Start playing audio on your external device. The sound will be routed through the CD player's speakers.
- Volume Control: Adjust volume using both the CD player's controls and your external device's volume controls.
11. Remote Control
The included remote control provides convenient access to all functions from a distance.

Figure 11.1: The remote control for the CARONSORT KC606 CD Player.
11.1 Remote Functions
- Power Button: Turns the device on or off.
- MODE: Cycles through playback modes (CD, BT, FM, USB, AUX).
- BT/RX: Activates Bluetooth Receive mode.
- BT/TX: Activates Bluetooth Transmit mode.
- CD: Directly selects CD mode.
- USB: Directly selects USB mode.
- FM/SH: In FM mode, initiates auto scan. In CD/USB mode, activates shuffle playback.
- REPEAT: Cycles through repeat modes (Repeat 1, Repeat All).
- A-B: Sets A-B repeat for a specific section of audio.
- Volume (+/-): Adjusts volume level.
- Previous/Next Track: Skips to the previous or next track/station.
- Play/Pause: Starts or pauses playback.
- STOP: Stops playback.
- Numeric Buttons (0-9): For direct track selection (CD/USB) or FM station input.
- AUX: Directly selects AUX-in mode.
- Sleep Timer: Sets a sleep timer (e.g., 030, 060, 090, 120, 150, 180 minutes).
Note: The remote control requires 2 AAA batteries (not included).
12. Sleep Timer Function
The sleep timer allows you to set a duration after which the device will automatically power off.
- Activate Sleep Timer: Press the 'Sleep Timer' button on the remote control.
- Set Duration: Each press of the 'Sleep Timer' button will cycle through the available durations: 30, 60, 90, 120, 150, 180 minutes.
- Confirm: The selected duration will be displayed briefly, and the timer will begin. The device will power off automatically once the set time has elapsed.
- Cancel: To cancel the sleep timer, press the 'Sleep Timer' button repeatedly until 'OFF' is displayed, or power off the device manually.
13. Maintenance and Care
- Cleaning: Use a soft, dry cloth to clean the exterior of the device. Do not use abrasive cleaners or solvents.
- CD Care: Handle CDs by their edges. Keep them free from dust, scratches, and fingerprints. Use a soft, lint-free cloth to wipe CDs from the center outwards.
- Storage: When not in use for extended periods, store the device in a cool, dry place.
- Ventilation: Ensure the ventilation openings are not blocked to prevent overheating.
14. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power cable not connected properly; Power outlet not working; Device is switched off. | Ensure power cable is securely connected. Test the outlet with another device. Slide the ON/OFF switch to 'ON'. |
| CD not playing / "READ" error | CD is dirty or scratched; CD inserted incorrectly; Unsupported CD format. | Clean the CD. Reinsert the CD with the label side up. Ensure the CD is a supported format (CD, CD-R, CD-RW, MP3, WMA). |
| No sound | Volume is too low; Mute is activated; Incorrect mode selected. | Increase volume. Check if mute is active. Ensure the correct playback mode (CD, BT, FM, USB, AUX) is selected. |
| Bluetooth not connecting | Device not in pairing mode; External device too far; Incorrect device selected. | Ensure the CD player is in Bluetooth (BT) mode and flashing. Move devices closer. Select 'KC606' from your external device's Bluetooth list. |
| FM radio static | Weak signal; Interference. | Adjust the position of the device. Perform an auto scan to find stronger signals. |
| Remote control not working | Batteries are dead or inserted incorrectly; Obstruction between remote and player. | Replace batteries (2 AAA). Ensure correct polarity. Remove any obstructions. |
15. Specifications
- Model: KC606
- Brand: CARONSORT
- Product Dimensions: 8.97 x 1.96 x 5.9 inches
- Item Weight: 1.52 pounds
- Connectivity Technology: Bluetooth, Auxiliary, USB Flash Drive
- Special Feature: Portable (Wired Power)
- Supported CD Formats: CD, CD-R, CD-RW, MP3, WMA
- FM Radio Frequency: 76MHz-108MHz
- Power Input: 5V/2A (Type-C)
- Manufacturer: CARONSORT
16. Warranty Information
For detailed warranty information regarding your CARONSORT KC606 CD Player Boombox, please refer to the warranty card included in your product packaging or visit the official CARONSORT website. Warranty terms and conditions may vary by region and retailer.
17. Customer Support
If you encounter any issues or have questions not covered in this manual, please contact CARONSORT customer support for assistance. Contact details can typically be found on the product packaging, the official CARONSORT website, or through your retailer.