1. Introduction
Thank you for choosing the Bobtot W58 Home Theater System. This manual provides essential information for setting up, operating, and maintaining your new audio system. Please read this manual thoroughly before use to ensure proper functionality and to maximize your listening experience. This system is designed to deliver powerful and immersive surround sound for movies, music, and games.

Image 1.1: The Bobtot W58 Home Theater System, showcasing the central subwoofer unit, five satellite speakers, and remote control.
2. Safety Information
To prevent fire, electric shock, or product damage, please observe the following:
- Do not expose this appliance to rain or moisture.
- Do not place objects filled with liquids, such as vases, on the apparatus.
- Ensure proper ventilation. Do not block any ventilation openings.
- Protect the power cord from being walked on or pinched.
- Only use attachments/accessories specified by the manufacturer.
- Unplug this apparatus during lightning storms or when unused for long periods.
- Refer all servicing to qualified service personnel.
3. Package Contents
Verify that all items listed below are included in your package:
- 1 x Main Subwoofer Unit
- 2 x Wired Front Speakers (Left/Right)
- 1 x Wired Center Speaker
- 2 x Wireless Rear Satellite Speakers (Left/Right)
- 1 x Remote Control
- 1 x HDMI ARC Cable
- 1 x Optical Cable
- 1 x Coaxial Cable
- 1 x RCA AUX Cable
- 3 x RCA Cables (for wired speakers)
- 1 x FM Antenna Cable
- User Manual (this document)

Image 3.1: All components included in the Bobtot W58 package, showing the main subwoofer, wired and wireless satellite speakers, and remote control.

Image 3.2: A visual representation of the various cables provided with the system, including RCA, Optical, Coaxial, and HDMI ARC cables.
4. Product Features
The Bobtot W58 Home Theater System offers a range of features designed to enhance your audio experience:
- 800W Peak Power: Delivers powerful and clear audio with a 6.5-inch subwoofer for deep bass.
- 5.1/2.1 Channel Surround Sound: Switch between 5.1 and 2.1 channel modes via remote control for versatile audio setups.
- Bluetooth 5.0 Connectivity: Seamlessly connect to smart devices for wireless audio streaming.
- Wireless Rear Satellite Speakers: Two rear speakers connect wirelessly to the main unit, offering flexible placement.
- Multiple Input Modes: Supports TV ARC, Optical, Coaxial, AUX, USB, and DVD inputs for broad compatibility.
- Built-in FM Receiver: Enjoy your favorite radio stations with excellent reception.
- Karaoke Function: Features two ¼" MIC inputs with echo function for karaoke entertainment.
- Durable Construction: Crafted with high-quality MDF wood cabinets and plastic front panels.
- LED Lighting & Digital Display: Modern design with informative digital display and ambient LED lighting effects.

Image 4.1: Close-up view of the 6.5-inch subwoofer, highlighting its powerful audio capabilities.

Image 4.2: The Bobtot W58 system set up in a living room, demonstrating its immersive 800 Watts Peak Power output for a cinematic experience.

Image 4.3: Illustrates the wide compatibility of the Bobtot W58 system with various devices such as Ultra HD 4K TVs, game consoles, home DVDs, and computers/laptops.
5. Component Identification
5.1 Main Subwoofer Unit (Front Panel)

Image 5.1: Detailed view of the W58 subwoofer's front and side panels, indicating the digital display, function keys, input controls, volume, and microphone inputs.
- Digital Display: Shows current mode, volume level, and other status indicators.
- ST.BY, INPUT, Vol-/Vol+: Standby button, input source selection, and volume control.
- 5.1/2.1 Function Key: Toggles between 5.1 and 2.1 channel audio modes.
- CH-/CH+: Channel adjustment buttons.
- Auto/Play Function Key: For playback control in USB/Bluetooth modes.
- USB Port: For USB media playback.
- MIC 1 & 2 Sockets: ¼" inputs for microphones.
5.2 Main Subwoofer Unit (Rear Panel)

Image 5.2: The rear panel of the Bobtot W58 subwoofer, showing all available input and output ports for various audio connections.
- TV ARC Audio Input: HDMI Audio Return Channel for TV connection.
- Optical Audio Input: Digital optical audio input.
- Coaxial Audio Input: Digital coaxial audio input.
- AUX Audio Input (RCA): Analog stereo RCA input.
- FM Radio Antenna: Connection for the included FM antenna.
- RCA AUX In (Front L/R Audio Input): Analog RCA inputs for front left/right audio.
- Center/Subwoofer Audio Input: Analog RCA input for center channel and subwoofer.
- Rear L/R Audio Input: Analog RCA inputs for rear left/right audio.
- Center Audio Output: RCA output for the center speaker.
- Front L/R Audio Output: RCA outputs for the front left/right speakers.
- Power Source & Power Switch: AC power input and main power switch.
6. Setup Guide
Follow these steps to set up your Bobtot W58 Home Theater System:
6.1 Speaker Placement
Optimal speaker placement is crucial for an immersive surround sound experience. Refer to the diagram below for recommended positioning:
- Subwoofer: Place on the floor, ideally near the front speakers.
- Center Speaker: Position directly above or below your TV/display.
- Front Left (FL) & Front Right (FR) Speakers: Place equidistant from your listening position, forming an equilateral triangle with the listener.
- Wireless Rear Speakers: Position behind your listening position, slightly to the sides. Ensure they are plugged into a power outlet. The wireless rear speakers usually connect automatically when the system is powered on.

Image 6.1: Diagram illustrating the recommended 5.1 speaker placement for the Bobtot W58 system, showing the positions of the subwoofer, center, front left/right, and wireless rear speakers relative to the listener.
6.2 Connecting the Speakers
- Connect the Front Left (FL), Front Right (FR), and Center speakers to their respective RCA outputs on the rear of the main subwoofer unit. The cable length for these speakers is approximately 13 feet.
- Plug in the Wireless Rear Satellite Speakers to a power outlet. They will automatically attempt to connect to the main subwoofer unit.
6.3 Connecting to Audio Sources
Choose the appropriate connection method for your audio source:
- HDMI ARC: Connect an HDMI ARC cable from your TV's HDMI ARC port to the HDMI ARC input on the subwoofer. This is recommended for high-quality audio from your TV.
- Optical: Connect an optical cable from your TV or other device's optical output to the Optical input on the subwoofer.
- Coaxial: Connect a coaxial cable from your TV or other device's coaxial output to the Coaxial input on the subwoofer.
- AUX (RCA): Use the RCA AUX cable to connect devices with analog audio outputs (e.g., DVD player, game console) to the AUX input on the subwoofer.
- USB: Insert a USB drive into the USB port on the front panel for direct media playback.
- Bluetooth: For wireless connection, select the Bluetooth input mode on the system and pair with your smartphone, tablet, or computer.
6.4 Smart TV Audio Settings (for Digital Inputs)
If you are connecting your TV via HDMI ARC, Optical, or Coaxial and experience no audio output, you may need to adjust your TV's audio settings:
- Navigate to your TV's Sound Settings.
- Look for Expert/Additional Settings or similar.
- Find Digital Output Audio Format.
- Set the format to PCM. Some TVs may not pass through digital audio in other formats (e.g., Dolby Digital) to external devices.

Image 6.2: A guide on adjusting Smart TV audio settings, specifically setting the Digital Output Audio Format to PCM, which is often necessary for external audio systems when using digital inputs like ARC, Optical, or Coaxial.
7. Operating Instructions
This section details how to operate your Bobtot W58 Home Theater System.
7.1 Power On/Off
Use the power switch on the rear panel to turn the system on or off. The front panel's ST.BY button can also be used for standby mode.
7.2 Input Selection
Press the INPUT button on the front panel or the remote control to cycle through available audio sources (HDMI ARC, Optical, Coaxial, AUX, USB, Bluetooth, FM).
7.3 Volume Control
Adjust the master volume using the Vol+/Vol- buttons on the front panel or the remote control. The remote also allows independent volume control for each speaker and the subwoofer.
7.4 5.1/2.1 Channel Mode Switching
Press the 5.1/2.1 Function Key on the front panel or remote to switch between 5.1 channel surround sound and 2.1 channel stereo sound.
7.5 Bluetooth Pairing
- Select Bluetooth input mode on the system. The digital display will show "BT".
- On your smart device, enable Bluetooth and search for available devices.
- Select "Bobtot W58" from the list to pair. Once connected, the system will indicate successful pairing.
7.6 USB Playback
Insert a USB flash drive into the USB port on the front panel. The system will automatically switch to USB mode and begin playing compatible audio files. Use the Auto/Play function key and CH-/CH+ buttons for playback control.
7.7 FM Radio
Ensure the FM antenna is connected to the rear panel. Select FM input mode. Use the remote or front panel controls to scan for and select radio stations.
7.8 Karaoke Function
Connect microphones to the MIC 1 or MIC 2 inputs on the side of the subwoofer. Adjust the echo function using the remote control for desired vocal effects.
8. Maintenance
Proper care and maintenance will ensure the longevity of your Bobtot W58 Home Theater System:
- Cleaning: Use a soft, dry cloth to clean the surfaces of the speakers and subwoofer. Do not use liquid cleaners or abrasive chemicals.
- Ventilation: Ensure that the ventilation openings on the subwoofer are not blocked to prevent overheating.
- Placement: Avoid placing the system in direct sunlight, near heat sources, or in areas with high humidity.
- Power: Unplug the system from the power outlet during electrical storms or if it will be unused for extended periods.
9. Troubleshooting
If you encounter issues with your Bobtot W58 system, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power cord not connected; Power switch off; Power outlet faulty. | Ensure power cord is securely plugged in; Turn on the power switch; Try a different power outlet. |
| No sound from speakers | Incorrect input selected; Volume too low; Speaker cables loose; TV audio output settings incorrect (for digital inputs). | Select the correct input source; Increase volume; Check all speaker cable connections; Set TV Digital Output Audio Format to PCM (refer to Section 6.4). |
| Wireless rear speakers not connecting | Rear speakers not powered on; Too far from main unit; Interference. | Ensure rear speakers are plugged into a power outlet; Move them closer to the main subwoofer unit; Reduce potential interference from other wireless devices. |
| Bluetooth pairing issues | System not in Bluetooth mode; Device not discoverable; Already paired with another device. | Ensure system is in Bluetooth input mode; Make sure your device's Bluetooth is on and discoverable; Disconnect from other Bluetooth devices and try pairing again. |
| Poor sound quality | Incorrect audio source settings; Speaker placement issues; Low-quality audio source. | Check audio settings on your source device; Adjust speaker placement (refer to Section 6.1); Try a different audio source. |
10. Specifications
| Feature | Specification |
|---|---|
| Model Name | W58 |
| Speaker Type | Surround Sound |
| Speaker Maximum Output Power | 800 Watts (Peak) |
| Woofer Diameter | 6.5 Inches |
| Surround Sound Channel Configuration | 5.1 |
| Wireless Communication Technology | Bluetooth 5.0 |
| Connectivity Technology | Bluetooth, HDMI ARC, Optical, Coaxial, AUX, USB |
| Audio Output Mode | Stereo, Surround |
| Compatible Devices | Computer, Game Console, Laptop, Projector, Smartphone, Tablet, Television |
| Product Dimensions | 7.9"D x 13"W x 12.6"H |
| Item Weight | 25 pounds |
| Power Source | Corded Electric |
| Control Method | Remote |
| Manufacturer | MOSWS INTERNATIONAL LIMTED |
11. Warranty Information
The Bobtot W58 Home Theater System comes with a Limited Warranty. For specific details regarding warranty coverage, duration, and terms, please refer to the warranty card included in your product packaging or contact Bobtot customer support.
12. Customer Support
For further assistance, technical support, or warranty claims, please contact Bobtot customer service through the following channels:
- Online Support: Visit the official Bobtot store on Amazon: Bobtot Amazon Store
- Refer to the contact information provided in your product packaging.





