The Bose Companion 2 Series III is a set of premium multimedia speakers designed for computers and other audio sources. It features TrueSpace stereo digital processing for a wide soundstage, volume control and headphone jack on the right speaker, auxiliary input for connecting additional devices, and magnetic shielding for placement near monitors. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.
Key components: Right and Left speakers, AC power adapter, 3.5mm audio cable, User manual.
| Feature | Description |
|---|---|
| TrueSpace stereo digital processing | Enhances stereo imaging for a wider soundstage |
| Volume control knob | Located on the front of the right speaker |
| Headphone jack | 3.5mm jack on the front of the right speaker for private listening |
| Auxiliary input | 3.5mm jack on the back for connecting a second audio source |
| Magnetic shielding | Allows safe placement near computer monitors |
| AC power adapter | Powers the speaker system |
| Audio input cable | 3.5mm to 3.5mm cable for connecting to a computer |
Unpack and inspect all contents. Place speakers on a stable, flat surface.
WARNING! Ensure the power adapter is the correct voltage. Do not place speakers in direct sunlight or near heat sources.
After installation, power on the system and configure your computer's audio settings.
CAUTION! Start with a low volume to avoid sudden loud sounds. Ensure all connections are secure before powering on.
All user controls are located on the right speaker.
Front of Right Speaker: Volume knob (press to mute/unmute, rotate to adjust volume), Headphone jack.
Back of Right Speaker: Primary Audio Input (from computer), Auxiliary Input, DC Power Input, Connection to Left Speaker.
Operation: Rotating the volume knob clockwise increases volume, counterclockwise decreases. Pressing the knob once mutes audio (LED may turn amber), pressing again unmutes. Plugging in headphones automatically mutes the speakers.
Primary connection is to a computer. Auxiliary input allows connection of a second device like a smartphone, tablet, or MP3 player.
Tip: For best audio quality, ensure the audio cable is fully inserted into the jacks and free from kinks or damage.
The system is designed for simple operation with minimal adjustment needed.
WARNING! Avoid exposing the speakers to extremely high volume for prolonged periods to prevent hearing damage and speaker damage.
Unplug the power adapter before cleaning. Clean the speaker cabinets with a soft, dry cloth only.
CAUTION! Do not use liquid, aerosol cleaners, or abrasives. Do not allow moisture to enter any openings. Keep the power adapter and cables away from heated surfaces.
This device complies with Part 15 of the FCC Rules. Operation is subject to the condition that this device does not cause harmful interference. Contains FCC ID: [To be filled by Bose]. For countries outside the US, complies with applicable local regulations. Copyright and trademarks are property of Bose Corporation. For support, visit www.bose.com/support or contact Bose customer service.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| No power (no LED) | Power adapter not connected | Ensure power adapter is firmly plugged into speaker and wall outlet. Check outlet function. |
| No sound from speakers | Volume low/muted, incorrect input | Turn up volume on speaker and computer. Check mute. Ensure audio cable is in correct PC output jack. |
| Sound from one speaker only | Loose cable between speakers | Check the cable connecting the left and right speakers is secure at both ends. |
| Distorted sound | Volume too high, source distortion | Reduce volume on speaker and computer. Test with a different audio source or file. |
| Headphones work, speakers don't | Headphone jack detection | Ensure headphones are fully unplugged from the front jack. |
| Buzzing or humming noise | Electrical interference, ground loop | Move power adapter away from speaker cables. Try plugging the system into a different outlet. Ensure audio cable is not near power cords. |
Reset: Unplug the power adapter for 60 seconds, then reconnect.
Service: For product service, contact Bose Customer Service. Do not open the speakers; there are no user-serviceable parts inside.