Bose VS 28 Manual

The Bose VS 28 is a high-performance in-wall speaker system designed for premium home audio installations. Featuring advanced Bose technologies for wide, lifelike sound dispersion, moisture-resistant construction for bathroom/outdoor use, paintable grilles for seamless integration, and easy installation with included mounting templates. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting to Audio Systems 7. Operation and Sound Adjustment 8. Care & Maintenance 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: In-wall speaker units, mounting brackets, paintable grilles, installation templates, speaker wire connectors.

FeatureDescription
Speaker Type2-way in-wall loudspeaker
Driver Configuration8-inch woofer, 1-inch tweeter
Frequency Response45Hz - 20kHz
Power Handling10-100 watts RMS
Impedance8 ohms
Sensitivity90dB (1 watt/1 meter)
Moisture ResistanceDesigned for high-humidity environments
Paintable GrilleCustomizable to match wall color
Mounting SystemIntegrated bracket with dog-leg clamps
TerminalsSpring-loaded speaker wire connectors

Installation

Unpack and inspect contents. Ensure proper tools are available.

  1. Choose location: Select wall studs for optimal placement; avoid electrical wiring.
  2. Cut opening: Use template to mark and cut drywall opening (approx 9.5" x 14.5").
  3. Mount bracket: Secure mounting bracket to wall studs using provided screws.
  4. Connect wires: Strip speaker wire, insert into spring-loaded terminals (observe polarity).
  5. Install speaker: Slide speaker into bracket, secure with mounting clamps.
  6. Attach grille: Snap paintable grille into place.

WARNING! Turn off amplifier before installation. Ensure wall can support speaker weight.

First-Time Setup

After installation, configure with your audio system.

  1. Connect to amplifier: Use 16-gauge or thicker speaker wire; maintain consistent polarity.
  2. Set amplifier power: Ensure amplifier output matches speaker power handling (10-100W RMS).
  3. Test sound: Play audio at low volume to verify proper connection and phasing.
  4. Adjust balance: Use amplifier controls to balance VS 28 speakers with other speakers in system.

CAUTION! Do not exceed maximum power rating. Ensure proper ventilation around speaker.

Specifications

Controls and Settings

No onboard controls; all adjustments made through connected amplifier/receiver.

Amplifier Settings: Volume, balance, tone controls (bass/treble), crossover settings if using with subwoofer.

Speaker-Specific Adjustments: Tweeter level control (if equipped) - adjust using small screwdriver on speaker faceplate.

Polarity: Ensure positive/negative terminals match amplifier connections for proper phasing.

Connecting to Audio Systems

Compatible with most stereo and home theater receivers.

  1. Turn off and unplug amplifier before connecting.
  2. Run speaker wire from amplifier to speaker location.
  3. Connect positive (+) terminal on amplifier to positive (+) terminal on speaker.
  4. Connect negative (-) terminal on amplifier to negative (-) terminal on speaker.
  5. For multi-room systems: Use impedance-matching volume controls if connecting multiple pairs.

Tip: Use quality oxygen-free copper speaker wire for best performance.

Operation and Sound Adjustment

Optimize sound for your listening environment.

  1. Break-in period: Allow 10-20 hours of moderate playback for optimal performance.
  2. Tweeter adjustment: Use included tool to adjust tweeter output if needed.
  3. Room placement: For stereo imaging, position speakers at ear level when seated.
  4. Wall cavity: Ensure wall cavity is sealed for proper bass response.
  5. Equalization: Use amplifier/receiver EQ to compensate for room acoustics.

WARNING! Do not modify speaker components. Avoid pushing grille cloth.

Care & Maintenance

Regular maintenance ensures long-term performance.

  1. Cleaning: Use soft brush attachment on vacuum to clean grille; avoid moisture.
  2. Painting: Remove grille before painting; use light coats of paint; avoid painting speaker cone.
  3. Inspection: Periodically check wire connections for corrosion or looseness.
  4. Moisture protection: In bathrooms, ensure proper ventilation to prevent moisture buildup.

CAUTION! Do not use solvents or abrasive cleaners. Never insert objects through grille.

Regulatory Information

FCC Compliance: Class B digital device; complies with Part 15 of FCC rules. CE marked for European compliance. RoHS compliant. Copyright © Bose Corporation. All rights reserved. Bose and the Bose logo are registered trademarks of Bose Corporation. For support, visit www.bose.com or contact Bose Customer Service at 1-800-999-2673.

Troubleshooting

SymptomPossible CauseCorrective Action
No sound from speakerAmplifier off/wrong inputCheck amplifier power and input selection; verify speaker wire connections.
Distorted soundOverdriven amplifierReduce volume; check amplifier power rating matches speaker.
Intermittent soundLoose connectionsCheck wire connections at both amplifier and speaker terminals.
Weak bass responseUnsealed wall cavityEnsure wall cavity is properly sealed around speaker.
One speaker quieterBalance setting/polarityCheck amplifier balance control; verify both speakers wired with same polarity.

Reset: Check amplifier settings; ensure proper source selection.

Service: 1-800-999-2673; www.bose.com/support

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