Boult Bassbox X250
Boult Bassbox X250 2.1 Channel Soundbar User Manual
Model: Bassbox X250
1. Important Safety Instructions
Please read all instructions carefully before using this product. Keep this manual for future reference.
- Do not expose this appliance to dripping or splashing.
- Do not place objects filled with liquids, such as vases, on the apparatus.
- Ensure proper ventilation. Do not block any ventilation openings.
- 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.
2. Product Overview
The Boult Bassbox X250 is a 2.1 channel soundbar system designed to enhance your home audio experience with powerful sound and deep bass. It features multiple connectivity options and EQ modes for versatile use.

Figure 2.1: The Boult Bassbox X250 soundbar system, including the main soundbar unit, wired subwoofer, and remote control.

Figure 2.2: An overview of the key features of the Bassbox X250, including 250W output, EQ modes, 2.1 channel, Dolby Digital, master remote, LED panel, dedicated DSP, and multi-compatibility.
3. Features
- 250 Watt Power: Delivers an impressive 250W of immersive sound for a dynamic home theater experience.
- 2.1 Channel with Wired Subwoofer: Provides full-range audio with powerful bass and clear mids.
- Dolby Digital Sound: Transforms your living room into a true home theater with cinematic surround sound.
- Bluetooth V5.3 Connectivity: Ensures fast, stable wireless streaming from Bluetooth-enabled devices.
- EQ Modes (Movie, Music, News): Customize your sound experience to perfectly match the content.
- LED Panel: Sleek display for easy adjustments to settings and modes.
- Multi-Compatibility: Supports AUX, USB, Optical, and HDMI (ARC) inputs for various devices.
- Master Remote Control: Conveniently adjust volume, switch modes, and navigate tracks.
- Dedicated DSP: Integrated Digital Signal Processor delivers optimized audio with deep bass and crisp vocals.

Figure 3.1: Illustration of the 250-watt peak output capability, providing room-filling audio.

Figure 3.2: Visual representation of Dolby Digital Sound technology, delivering cinema-grade audio.

Figure 3.3: Details on the BoomX Dual dynamic drivers, deep-bass subwoofer, 16-bit Stereo Engine, and 32-bit core for hi-res audio processing.

Figure 3.4: Depiction of the 2.1 channel surround sound, offering pure stereo listening and a virtual 3D soundstage.

Figure 3.5: The sleek and compact design of the soundbar, featuring a radial brushed finish and perforated mesh grille.

Figure 3.6: An illustration of the dedicated Digital Signal Processor (DSP) that adapts and evolves audio for cinema-quality sound, noise minimization, and low latency virtual surround effects.
4. Package Contents
Ensure all items are present in the box:
- Boult Bassbox X250 Soundbar Unit
- Wired Subwoofer
- Remote Control
- Power Adapter
- Warranty Card
5. Setup Guide
5.1 Connecting the Soundbar
- Subwoofer Connection: Connect the wired subwoofer cable to the dedicated subwoofer output port on the main soundbar unit.
- Power Connection: Plug the power adapter into the DC IN port on the soundbar, then plug the other end into a wall outlet.
5.2 Input Connections
The Bassbox X250 offers multiple ways to connect to your audio sources:

Figure 5.1: Rear view of the soundbar showing various input ports: USB, HDMI(ARC), Optical, and AUX.
- HDMI (ARC): For optimal audio quality and control, connect an HDMI cable from the HDMI ARC port on the soundbar to the HDMI ARC port on your TV. This allows audio to be sent from the TV to the soundbar and enables control via the TV remote.
- Optical: Connect an optical cable from the soundbar's OPTICAL port to your TV's optical audio output.
- AUX: Use a 3.5mm audio cable to connect the soundbar's AUX port to the audio output of your device (e.g., smartphone, MP3 player).
- USB: Insert a USB drive into the USB port to play audio files directly from the drive.
- Bluetooth Pairing:
- Press the 'MODE' button on the remote or soundbar until 'BT' appears on the LED display.
- Enable Bluetooth on your device (e.g., smartphone, tablet).
- Search for 'Boult Bassbox X250' in the list of available devices and select it to pair.
- Once connected, the soundbar will indicate successful pairing.

Figure 5.2: The soundbar's broad compatibility with various devices including Smart TVs, computers, laptops, mobile phones, iOS devices, projectors, and gaming consoles.
6. Operating Instructions
6.1 Power On/Off
Press the Power button on the soundbar or remote control to turn the unit on or off.
6.2 Volume Control
Use the VOL+ and VOL- buttons on the remote or soundbar to adjust the volume level.
6.3 Input Source Selection
Press the MODE or INPUT button on the remote control to cycle through the available input sources (HDMI ARC, Optical, AUX, USB, Bluetooth).
6.4 EQ Modes
The soundbar features three preset Equalizer (EQ) modes to optimize audio for different content types:

Figure 6.1: The remote control highlighting the buttons for News, Movie, and Music EQ modes.
- Movie Mode: Enhances dialogue clarity and surround effects for cinematic viewing.
- Music Mode: Optimizes audio for a balanced and rich music listening experience.
- News Mode: Focuses on vocal clarity, ideal for news broadcasts or podcasts.
Press the corresponding EQ mode button on the remote control to select your desired mode.
6.5 Remote Control Functions
The included master remote control provides full functionality:
- Power: Turns the soundbar on/off.
- Mute: Mutes/unmutes the sound.
- VOL+/VOL-: Adjusts volume.
- MODE/INPUT: Switches input sources.
- Play/Pause, Previous/Next: Controls media playback (for USB/Bluetooth modes).
- TREB+/TREB-: Adjusts treble levels.
- BASS+/BASS-: Adjusts bass levels.
- EQ Mode Buttons (Movie, Music, News): Selects sound presets.
7. Maintenance
Proper maintenance ensures the longevity and performance of your soundbar.
- Cleaning: Use a soft, dry cloth to clean the surfaces of the soundbar and subwoofer. Do not use liquid cleaners or aerosol sprays.
- Ventilation: Ensure that the ventilation openings are not blocked by dust or debris.
- Storage: If storing the unit for an extended period, disconnect it from power and store it in a cool, dry place away from direct sunlight and extreme temperatures.
8. Troubleshooting
If you encounter issues with your Boult Bassbox X250, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power cord not connected; Power outlet not active. | Ensure power cord is securely plugged in. Try a different power outlet. |
| No sound | Incorrect input source selected; Volume too low; Cables not connected properly. | Select the correct input source. Increase volume. Check all audio cables are securely connected. |
| Bluetooth not connecting | Soundbar not in pairing mode; Device Bluetooth off; Interference. | Ensure soundbar is in BT mode. Turn Bluetooth on/off on your device. Move closer to the soundbar. |
| Remote control not working | Batteries low/dead; Obstruction between remote and soundbar. | Replace remote batteries. Ensure no obstructions and point remote directly at the soundbar. |
9. Specifications
| Feature | Detail |
|---|---|
| Model Name | Bassbox X250 |
| Speaker Type | Soundbar |
| Surround Sound Channel Configuration | 2.1 |
| Speaker Maximum Output Power | 250 Watts |
| Connectivity Technology | Bluetooth, Auxiliary, USB, Optical, HDMI (ARC) |
| Bluetooth Version | V5.3 |
| Bluetooth Range | 10 Metres |
| Audio Encoding | Dolby Digital 2.1 |
| Power Source | Corded Electric |
| Input Voltage | 220 Volts |
| Product Dimensions | 7.6D x 9.9W x 91.5H Centimeters |
| Item Weight | 6.75 Kilograms |
| Manufacturer | Boult |
| Country of Origin | China |
10. Warranty and Support
The Boult Bassbox X250 comes with a 1 Year Manufacturer's Warranty from the date of purchase.
For warranty claims, technical support, or any inquiries, please refer to the contact information provided on your warranty card or visit the official Boult support website.
Please retain your purchase receipt as proof of purchase for warranty purposes.
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