Audiobox RXC-11RBT
Audiobox Solar Rechargeable Bluetooth Cassette Player (Model RXC-11RBT) Instruction Manual
Your guide to operating and maintaining your Audiobox RXC-11RBT.
Introduction
Thank you for choosing the Audiobox Solar Rechargeable Bluetooth Cassette Player, Model RXC-11RBT. This device combines classic audio playback with modern connectivity and portable power solutions. Please read this manual thoroughly to ensure proper use and longevity of your product.
Important Safety Information
- Do not expose the device to extreme temperatures, direct sunlight for prolonged periods (beyond solar charging needs), or high humidity.
- Keep away from water. This product is not waterproof.
- Do not attempt to disassemble or modify the device. Refer all servicing to qualified personnel.
- Use only the provided power cable or a compatible Type-C charger.
- Keep out of reach of children.
What's in the Box
- Audiobox RXC-11RBT Cassette Player
- Power Cable
- User Manual (this document)
Product Overview
Familiarize yourself with the key components of your Audiobox cassette player.

Image: Front view of the Audiobox RXC-11RBT Portable Solar Radio Cassette Player, showcasing the solar panel, cassette deck, radio tuner, and control buttons.

Image: Side view of the Audiobox RXC-11RBT, highlighting the tuning knob, USB port, TF card slot, and 3.5mm AUX input.

Image: Rear view of the Audiobox RXC-11RBT, showing the integrated solar panel for charging and the AUX input port.
Setup
Powering the Device
Your Audiobox player offers multiple power options:
- Solar Charging: Place the device with the solar panel facing direct sunlight for sustainable power.
- Type-C Charging: Connect the provided Type-C power cable to the device and a compatible USB power adapter (not included) or port.
- Battery Powered: The device can also be powered by batteries (not included) for portable use. Refer to the battery compartment for type and installation instructions.

Image: Diagram illustrating the three power options for the Audiobox RXC-11RBT: solar charging, USB-C charging, and DC battery power.
Initial Charge
Before first use, it is recommended to fully charge the device using the Type-C cable. The charging indicator (if present) will show charging status.
Operating Instructions
Cassette Playback
- Open the cassette compartment door.
- Insert a cassette tape with the exposed tape facing upwards.
- Close the compartment door securely.
- Press the PLAY button to begin playback.
- Use FWD (Fast Forward) and REW (Rewind) buttons to navigate the tape.
- Press the STOP button to stop playback.

Image: A hand demonstrating the insertion of a cassette tape into the player's compartment.
Bluetooth Connectivity
- Turn on the Audiobox player.
- Switch the function selector to Bluetooth (BT) mode. The device will enter pairing mode, indicated by a flashing light (refer to device for specific indicator).
- On your Bluetooth-enabled device (smartphone, tablet, etc.), search for available Bluetooth devices.
- Select "Audiobox RXC-11RBT" (or similar name) from the list to pair.
- Once paired, you can stream audio wirelessly from your device to the Audiobox player.

Image: A smartphone displaying music playback, wirelessly connected to the Audiobox RXC-11RBT via Bluetooth.
USB/TF Card/AUX Playback
- USB Playback: Insert a USB flash drive into the USB port. The device should automatically detect and play compatible audio files.
- TF Card Playback: Insert a TF (Micro SD) card into the TF card slot. The device should automatically detect and play compatible audio files.
- AUX Input: Connect an external audio device using a 3.5mm audio cable (not included) to the AUX input port. Select AUX mode on the device.

Image: Side view of the Audiobox RXC-11RBT, highlighting the tuning knob, USB port, TF card slot, and 3.5mm AUX input.
Radio Function
- Extend the telescopic antenna for optimal reception.
- Switch the function selector to FM or AM/SW mode.
- Use the TUNING knob to find your desired radio station.
LED Flashlight
To activate the built-in LED flashlight, locate the flashlight button/switch on the device and press/slide it to the ON position. Press/slide again to turn it off.

Image: The Audiobox RXC-11RBT with its built-in LED flashlight shining, used by people during a camping scenario.
Maintenance
- Clean the device with a soft, dry cloth. Do not use liquid cleaners or aerosols.
- Regularly clean the cassette head and pinch rollers with a specialized cassette head cleaner to ensure optimal audio quality and prevent tape damage.
- Store the device in a cool, dry place away from direct sunlight and extreme temperatures when not in use.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | Low battery or no power source. | Charge the device via Type-C cable or ensure fresh batteries are installed. Verify solar panel is exposed to direct sunlight. |
| Poor radio reception. | Antenna not extended or weak signal. | Fully extend the telescopic antenna and adjust its position. Try moving to a different location. |
| Bluetooth not connecting. | Device not in pairing mode or out of range. | Ensure the Audiobox is in Bluetooth pairing mode. Move your Bluetooth device closer to the player (within 10 meters). |
| Cassette tape not playing or poor audio. | Tape incorrectly inserted, dirty heads, or damaged tape. | Re-insert the tape correctly. Clean the cassette player's heads. Try a different tape to check if the issue is with the tape itself. |
| Flashlight not working. | Low battery or switch off. | Ensure the device is charged and the flashlight switch is in the ON position. |
Specifications
- Model Name: RXC-11RBT
- Brand: Audiobox
- Power Source: Battery Powered (Solar Rechargeable, Type-C Charging)
- Connectivity Technology: Auxiliary, Bluetooth, USB
- Wireless Communication Technology: Bluetooth, Radio Frequency
- Speaker Type: Outdoor
- Speaker Maximum Output Power: 10 Watts
- Audio Output Mode: Stereo
- Frequency Response: 120 Hz
- Control Method: Touch
- Item Weight: 1.3 Pounds
- Product Dimensions: 2.52"D x 8.27"W x 4.53"H
- Color: Black
- Is Waterproof: FALSE
Warranty and Support
This product comes with a Limited Warranty. For detailed warranty information and customer support, please refer to the manufacturer's official website or contact their customer service directly. Keep your purchase receipt for warranty claims.
Manufacturer: General Sound Co
Additional Resources
For visual guides and further assistance, please refer to the following official product videos:
How to use the Tape, Bluetooth and USB functions on WTB-795
Video: A demonstration by WISCENT Electronic Store on how to operate the tape, Bluetooth, and USB functions of a similar cassette player model (WTB-795). This video provides a general understanding of these features which are also present in the Audiobox RXC-11RBT.
What's in the box?
Video: A short video by Dingmi showing the unboxing of a similar cassette player, demonstrating the contents typically included with such a device. This can help users verify their package contents.
How to record tapes to USB with WTB-795?
Video: A tutorial by WISCENT Electronic Store on how to record audio from cassette tapes directly to a USB drive using a similar model (WTB-795). This feature may be available on the Audiobox RXC-11RBT, providing a useful guide for users interested in digitizing their tapes.
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