1. Introduction
Thank you for purchasing the BigBen Multimedia Tower Speaker. This device is designed to provide high-quality audio playback from various sources, including Bluetooth-enabled devices, USB drives, SD cards, iPod/iPhone devices, and auxiliary audio sources. Please read this manual carefully before use to ensure proper operation and to maximize your listening experience.
2. Safety Instructions
- Do not expose the unit to rain or moisture to prevent fire or electric shock.
- Do not open the casing. There are no user-serviceable parts inside. Refer all servicing to qualified personnel.
- Place the unit on a stable, flat surface to prevent it from falling.
- Ensure proper ventilation around the unit. Do not block ventilation openings.
- Keep the unit away from direct sunlight, heat sources, and strong magnetic fields.
- Unplug the unit during lightning storms or when unused for long periods.
- Do not insert foreign objects into the unit's openings.
3. Package Contents
Please check that all items are present:
- BigBen Multimedia Tower Speaker (Model AU320565)
- Remote Control
- Power Adapter (18V/3.5A)
- MP3 Player (as per 'whats_in_the_box' data, though typically this refers to compatibility, not an included separate device. Assuming it refers to the unit's capability to play MP3s.)
- User Manual (this document)
4. Product Features
- Bluetooth Connectivity: Wirelessly stream audio from compatible devices up to 10 meters.
- iPod/iPhone Docking Station: Direct connection for Apple devices.
- USB Port: Play audio files from USB flash drives.
- SD Card Reader: Play audio files from SD memory cards.
- Auxiliary Input (3.5mm): Connect external audio sources via cable.
- FM Radio: Integrated FM tuner (requires antenna connection).
- Remote Control: Full function remote for convenient operation.
- Audio Output: Stereo sound with 30 Watts maximum output power.
- Audio Channels: 2.1 channel audio system.
5. Setup
5.1 Unpacking and Placement
Carefully remove the speaker from its packaging. Place the speaker on a flat, stable surface. Ensure there is adequate space around the unit for ventilation.
5.2 Power Connection
- Connect the power adapter to the DC IN port on the rear of the speaker.
- Plug the power adapter into a standard wall outlet.
- The unit will enter standby mode.
5.3 Antenna Connection (for FM Radio)
If you intend to use the FM radio function, connect an FM antenna (not included) to the FM ANT port on the rear panel for optimal reception.

Figure 1: Rear panel connections including power, audio inputs, and FM antenna port.
6. Operating Instructions
6.1 Power On/Off
Press the POWER button on the top panel or the remote control to turn the unit on or off.

Figure 2: Top control panel with power button and dock.
6.2 Source Selection
Press the SOURCE button on the remote control or the unit's control panel to cycle through available input modes: Bluetooth, USB, SD, AUX, iPod, FM.

Figure 3: Remote control for the Multimedia Tower Speaker.
6.3 Bluetooth Connection
- Select Bluetooth mode using the SOURCE button. The display will indicate Bluetooth pairing mode.
- On your Bluetooth-enabled device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "BigBen Speaker" (or similar name) from the list.
- Once paired, the unit will confirm the connection, and you can stream audio from your device.
6.4 USB Playback
- Insert a USB flash drive containing audio files into the USB port on the top panel.
- Select USB mode using the SOURCE button.
- The unit will automatically detect and begin playing audio files. Use the PREV, NEXT, and PLAY/PAUSE buttons on the unit or remote to control playback.
6.5 SD Card Playback
- Insert an SD memory card containing audio files into the SD CARD slot on the top panel.
- Select SD mode using the SOURCE button.
- The unit will automatically detect and begin playing audio files. Use the PREV, NEXT, and PLAY/PAUSE buttons on the unit or remote to control playback.
6.6 Auxiliary Input
- Connect an external audio device (e.g., MP3 player, CD player) to the AUX IN port on the rear panel using a 3.5mm audio cable (not included).
- Select AUX mode using the SOURCE button.
- Control playback directly from your connected external device.
6.7 iPod/iPhone Dock
- Carefully place your compatible iPod or iPhone onto the docking connector on the top panel.
- Select iPod mode using the SOURCE button.
- Playback will begin automatically or can be controlled via the unit's controls or remote.
6.8 Volume, Bass, and Treble Control
Use the VOLUME + / -, BASS + / -, and TREBLE + / - buttons on the remote control to adjust audio levels.
7. Maintenance
7.1 Cleaning
Wipe the exterior of the unit with a soft, dry cloth. Do not use abrasive cleaners, waxes, or solvents as they may damage the finish. Ensure the unit is unplugged before cleaning.
7.2 Storage
If the unit will not be used for an extended period, unplug it from the power outlet and store it in a cool, dry place, away from direct sunlight and extreme temperatures.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power adapter not connected; Power outlet faulty. | Ensure power adapter is securely connected to the unit and a working power outlet. |
| No sound | Volume too low; Incorrect source selected; Device not playing. | Increase volume; Select correct input source; Ensure connected device is playing audio. |
| Bluetooth not pairing | Speaker not in pairing mode; Device too far; Interference. | Ensure speaker is in Bluetooth mode and pairing; Move device closer; Turn off other Bluetooth devices. |
| USB/SD not playing | Incorrect file format; USB/SD card corrupted; Incorrect source selected. | Ensure files are compatible (e.g., MP3); Try a different USB/SD card; Select USB/SD source. |
9. Specifications
- Brand: BigBen
- Model Name: AU320565 (also known as TW4, BB6185)
- Speaker Type: USB Speaker / Multimedia Tower
- Connectivity Technology: USB, 3.5 mm, Bluetooth
- Wireless Technology: Bluetooth
- Bluetooth Range: 10 Meters
- Audio Output Mode: Stereo
- Number of Audio Channels: 2.1
- Maximum Speaker Output Power: 30 Watts
- Power Source: Corded Electric (18V/3.5A)
- Control Method: Remote Control
- Compatible Devices: MP3 Player, Smartphone, Tablet
- Dimensions (D x W x H): 24.4 x 24.4 cm (Depth and Width, Height not specified in data)
- Special Features: Bluetooth, USB Port, SD Card Reader, iPod/iPhone Dock
10. Warranty Information
This BigBen Multimedia Tower Speaker is covered by a manufacturer's warranty for a period of 1 year from the date of purchase. This warranty covers defects in materials and workmanship under normal use. It does not cover damage caused by misuse, accident, unauthorized modification, or external causes such as power surges.
Please retain your proof of purchase for warranty claims.
11. Support
If you encounter any issues not covered in the troubleshooting section or require further assistance, please contact BigBen customer support. Refer to the product packaging or the official BigBen website for contact details.