The Bose 3-2-1 II is a premium home entertainment system featuring a media center, two satellite speakers, and a hideaway Acoustimass module. It delivers immersive surround sound from DVDs, CDs, and other audio/video sources. This manual covers safety, setup, operation, and troubleshooting for optimal performance.
Key components: Media Center, Two Direct/Reflecting Satellite Speakers, Hideaway Acoustimass Module, Remote Control, Antenna Input, Digital Audio Inputs, Composite/S-Video Inputs.
| Feature | Description |
|---|---|
| Media Center | Central control unit with integrated DVD/CD player |
| Satellite Speakers | Two speakers for left/right channels |
| Acoustimass Module | Hideaway bass unit for deep, clear low frequencies |
| Remote Control | Full-function remote for system operation |
| Digital Audio Inputs | Optical and coaxial inputs for external sources |
| Composite/S-Video Inputs | For connecting external video devices |
| Antenna Input | For FM/AM radio reception |
| Power | Turns system on/off |
| Volume Control | Adjusts master volume level |
| Sound Mode Selector | Cycles through available sound modes |
Unpack and inspect all components. Place media center near TV and speakers in optimal positions.
WARNING! Ensure proper ventilation around media center. Do not place speakers near heat sources.
Power on system; follow on-screen prompts if connected to TV.
CAUTION! Handle speakers with care; avoid dropping or damaging driver cones.
Access menu via remote or front panel buttons. Front Panel: POWER, EJECT, VOLUME, INPUT SELECT.
Remote: POWER, Numeric buttons, EJECT, INPUT, VOLUME, MUTE, MENU, NAVIGATION arrows, ENTER, SOUND MODE.
Audio Settings: Bass, Treble, Balance, Dialogue enhancement. Video Settings: TV type (4:3, 16:9), output resolution. System Settings: Language, clock, parental controls (default code 0000). Radio: Preset stations, auto-scan.
TV: Composite or S-Video. External Audio: Digital optical/coaxial from cable box, game console. Auxiliary: Analog audio inputs.
Tip: For best audio quality, use digital connections when available.
Supports DVD-Video, DVD-Audio, CD, MP3 CDs.
WARNING! Do not use damaged or improperly formatted discs. Keep discs clean.
Multiple sound modes optimize audio for different content: MOVIE (enhanced surround), MUSIC (balanced stereo), SPORTS (enhanced dialogue), NIGHT (compressed dynamic range). Cycle through modes with SOUND button on remote.
Unplug system before cleaning. Wipe media center and speakers with dry, soft cloth. Clean disc lens with approved CD/DVD lens cleaner if needed.
CAUTION! Do not use liquids or abrasive cleaners. Avoid magnetic fields near speakers.
FCC Part 15: Class B digital device compliant. Copyright © Bose Corporation. All rights reserved. Bose and Acoustimass are registered trademarks of Bose Corporation. For support, visit www.bose.com or contact 1-800-999-2673.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| No power | Power cord/outlet | Check power connection; try different outlet; ensure power switch is on. |
| No sound from speakers | Connections/volume | Verify speaker wire connections; check volume level; ensure mute is off. |
| Remote not working | Batteries/obstruction | Replace batteries; ensure clear path to IR sensor on media center. |
| Disc not playing | Disc format/damage | Ensure disc is compatible and clean; try different disc. |
| Poor radio reception | Antenna placement | Extend FM/AM antenna fully; reposition for better reception. |
| No video to TV | Video connection/input | Check video cable connections; ensure TV is on correct input source. |
Reset: Unplug system for 60 seconds, then reconnect to reset.
Service: 1-800-999-2673; www.bose.com/support