The Bose Model AV28 is a high-performance home theater speaker system designed to deliver immersive surround sound. It features proprietary Bose technologies, including Direct/Reflecting speaker arrays for spacious sound, an Acoustimass module for powerful bass, and compatibility with most AV receivers. Below are key sections covering setup, features, operation, and troubleshooting.
Key components: Two Direct/Reflecting satellite speakers, one center channel speaker, two rear surround speakers, one Acoustimass bass module, speaker cables, and mounting hardware.
| Feature | Description |
|---|---|
| Direct/Reflecting Speaker Technology | Creates a spacious, room-filling soundstage |
| Acoustimass Bass Module | Produces deep, impactful low frequencies without distortion |
| Center Channel Speaker | Enhances dialogue clarity for movies and TV |
| Magnetic Shielding | Prevents interference with nearby TVs and monitors |
| Universal Compatibility | Works with most AV receivers and amplifiers |
| Wall-Mount Capable | Includes brackets for flexible placement |
| High-Efficiency Design | Delivers high output with low power requirements |
| 5.1 Channel Support | Ready for Dolby Digital and DTS surround formats |
Unpack and verify all items are present.
WARNING! Handle speakers with care; the bass module is heavy. Use two people for lifting.
Follow these steps for initial setup.
CAUTION! Ensure all connections are secure and polarity (+/-) is correct to prevent phase issues.
Primary controls are on your AV receiver. Bass module features: Power switch, Auto-on/Standby, Phase switch (0°/180°), Level control.
Connections: Speaker terminals accept bare wire or banana plugs (where permitted). Bass module: Line-level input (LFE), speaker-level inputs, AC power cord.
Setup Tips: Use receiver's auto-calibration (e.g., Audyssey, YPAO) for optimal sound. Adjust bass module level to blend with satellites.
Ensure receiver is off before connecting.
Tip: Label cables during installation for easier identification later.
Optimal placement maximizes surround sound effect.
WARNING! Do not place speakers in enclosed cabinets or directly against walls unless designed for it.
Use your AV receiver's calibration features for best results.
Note: Bose recommends using the system with room correction enabled for accurate sound reproduction.
Unplug system before cleaning. Use soft, dry cloth for speaker cabinets. Do not use liquids or abrasive cleaners.
CAUTION! Keep liquids away from electronics. Do not open any speaker enclosures; no user-serviceable parts inside.
FCC Compliance: This device complies with Part 15 of FCC Rules. Operation is subject to conditions: (1) device must not cause harmful interference, (2) device must accept any interference received. Copyright © Bose Corporation. All rights reserved. Bose and Acoustimass are registered trademarks of Bose Corporation. For support, visit www.bose.com/support or contact 1-800-999-2673.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| No sound from speakers | Loose connections/receiver settings | Check all cable connections; verify receiver is on correct input; ensure speaker wires are secure. |
| Weak or no bass | Bass module power/cables | Ensure bass module is powered on; check LFE/subwoofer cable; adjust level control on module. |
| Distorted sound | Overdriven/incorrect settings | Reduce receiver volume; check speaker impedance matches receiver capabilities. |
| Hum or buzz | Ground loop/poor connections | Ensure all connections are tight; try different power outlet; use ground loop isolator if needed. |
| One speaker not working | Faulty cable/connection | Swap speaker with working one to isolate issue; check wire for breaks. |
Reset: Power cycle entire system (unplug for 60 seconds).
Service: 1-800-999-2673; www.bose.com/support