1. Introduction
Thank you for choosing the NB NOIZZYBOX Retro XXL 4 Band Radio Wireless Bluetooth Speaker. This device combines classic aesthetics with modern functionality, offering a versatile audio experience. It features a 4-band DSP radio, Bluetooth 5.3 connectivity, multi-mode playback (USB, TF Card, AUX-in), and an integrated equalizer. This manual provides detailed instructions for setup, operation, maintenance, and troubleshooting to ensure optimal performance and longevity of your speaker.
Figure 1: Front view of the NB NOIZZYBOX Retro XXL Speaker.
2. What's in the Box
Please check the contents of your package to ensure all items are present:
- NB NOIZZYBOX Retro XXL Speaker
- Power Cable
- User Manual
- Remote Control
3. Specifications
Figure 2: Dimensions of the NB NOIZZYBOX Retro XXL Speaker.
| Feature | Detail |
|---|---|
| Brand | NB NOIZZYBOX |
| Model | NB Retro XXL |
| Product Dimensions | 27L x 14.5W x 21H Centimeters |
| Item Weight | 30 g |
| Power Source | Battery Powered (Lithium Ion, included) |
| Speakers Maximum Output Power | 20 Watts |
| Tuner Technology | FM AM SW Analog tuning Radio |
| Radio Bands Supported | 4-Band (AM/FM/SW1/SW2) |
| Bluetooth Version | 5.3 EDR |
| Connectivity Technology | Auxiliary, USB, TF Card, Bluetooth |
| Material | Acoustic Wood |
| Special Features | Aux in and Aux Out, USB and TF Card with Paper Remote, Bluetooth Connectivity, Built-in Equalizer Modes |
4. Setup
Follow these steps for initial setup:
- Unpacking: Carefully remove the speaker and all accessories from the packaging. Retain the packaging for future storage or transport.
- Placement: Place the speaker on a stable, flat surface. For optimal radio reception, avoid placing it near large metal objects or other electronic devices that may cause interference.
- Power Connection: Connect the provided power cable to the speaker's power input port and then to a standard electrical outlet. The speaker can operate directly from AC power or using its internal rechargeable battery.
- Initial Charge: For first-time use, it is recommended to fully charge the speaker's internal battery. The charging indicator light will typically show charging status and turn off or change color when fully charged.
5. Operating Instructions
Figure 3: Detailed view of the control panel and ports.
5.1. Power On/Off
Locate the Power/Volume knob on the front panel. Rotate it clockwise to turn the speaker ON and increase the volume. Rotate it counter-clockwise until it clicks to turn the speaker OFF.
5.2. Radio Mode (AM/FM/SW1/SW2)
- Select Band: Use the 'BAND' switch on the front panel to select your desired radio band: FM, AM, SW1, or SW2.
- Tune Station: Rotate the 'TUNING' knob to scan for radio stations. The frequency display will indicate the current frequency. Extend the telescopic antenna for better FM and SW reception.
5.3. Bluetooth Mode
- Activate Bluetooth: Switch the 'FUNCTION' selector to 'BT' (Bluetooth) mode. The speaker will emit an audible prompt indicating it's ready for pairing.
- Pairing: On your mobile device, enable Bluetooth and search for available devices. Select "NB Retro XXL" from the list. Once paired, the speaker will confirm the connection.
- Playback: Play audio from your paired device. Use the speaker's controls (Play/Pause, F.FWD, RWD) or your device's controls to manage playback.
5.4. USB/TF Card Playback
- Insert Media: Insert a USB flash drive into the 'USB' port or a TF (MicroSD) card into the 'TF' slot.
- Select Mode: Switch the 'FUNCTION' selector to 'MP3' or 'USB/TF'. The speaker will automatically detect and begin playing audio files from the inserted media.
- Controls: Use the 'PLAY/PAUSE', 'F.FWD' (Next Track), and 'RWD' (Previous Track) buttons on the speaker or remote control to manage playback.
5.5. AUX-in/AUX-out
- AUX-in: Connect an external audio source (e.g., smartphone, MP3 player) to the 'AUX-in' port using a 3.5mm audio cable. Switch the 'FUNCTION' selector to 'AUX'.
- AUX-out: The Retro XXL can function as a center speaker and amplifier. Connect the 'AUX-out' port to your home theatre system or other audio equipment to integrate the speaker's audio output.
5.6. Equalizer and Remote Control
- Equalizer: Press the 'EQ' button on the speaker or remote control to cycle through built-in equalizer modes (e.g., Rock, Ghazal, Carnatic, News) to optimize sound for different audio content.
- Remote Control: The included remote control provides convenient access to all major functions, including power, mode selection, volume, track control, and equalizer settings. Ensure the remote has working batteries and is pointed towards the speaker's IR receiver.
6. Maintenance
Proper care will extend the life of your speaker:
- Cleaning: Use a soft, dry cloth to clean the exterior of the speaker. Do not use abrasive cleaners, waxes, or solvents as they may damage the finish.
- Storage: When not in use for extended periods, store the speaker in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To maintain battery health, avoid fully discharging the battery frequently. If storing for a long time, charge the battery to about 50% every few months.
- Avoid Moisture: Keep the speaker away from water, high humidity, and liquids.
7. Troubleshooting
If you encounter issues with your speaker, refer to the table below for common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Battery drained; Power cable not connected; Power switch off. | Charge the battery; Ensure power cable is securely connected; Turn the power switch ON. |
| Poor radio reception | Weak signal; Antenna not extended; Interference from other devices. | Extend the telescopic antenna fully; Reposition the speaker; Move away from interfering electronics. |
| Bluetooth not pairing | Speaker not in pairing mode; Device Bluetooth off; Speaker too far from device. | Ensure speaker is in BT mode; Turn on Bluetooth on your device; Move device closer to speaker (within 10m). |
| No sound from USB/TF card | Incorrect file format; Media not inserted correctly; Speaker not in correct mode. | Ensure audio files are compatible (e.g., MP3); Re-insert USB/TF card; Switch speaker to MP3/USB/TF mode. |
| Remote control not working | Dead batteries; Obstruction between remote and speaker; Remote not pointed correctly. | Replace remote batteries; Remove any obstructions; Point remote directly at the speaker's IR receiver. |
8. Warranty and Support
The NB NOIZZYBOX Retro XXL speaker comes with a standard manufacturer's warranty. Please refer to the warranty card included in your package for specific terms and conditions. An extended warranty option may also be available.
For technical support, service, or warranty claims, please contact NB NOIZZYBOX customer service. Contact details can typically be found on the product packaging or the official brand website. When contacting support, please have your product model number (NB Retro XXL) and purchase details ready.