Bose Virtually Invisible 300 Manual

The Bose Virtually Invisible 300 is an in-wall/in-ceiling speaker designed for high-quality audio with minimal visual intrusion. It features a low-profile grille, adjustable tweeter, and is engineered for easy installation in standard wall cavities. 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 Devices 7. Audio Configuration 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Low-profile magnetic grille, adjustable tweeter, paintable frame, integrated mounting system, and high-excursion woofer.

Feature	Description
Low-profile grille	Designed to be virtually invisible when painted to match wall/ceiling
Adjustable tweeter	Allows precise aiming of high frequencies for optimal sound
Paintable frame	Customizable to blend with any room decor
Integrated mounting system	Tool-free installation with secure locking mechanism
High-excursion woofer	Delivers deep, accurate bass response
Magnetic attachment	Grille attaches securely without visible screws
Moisture-resistant design	Suitable for bathrooms and humid environments (specific models)
Wide dispersion	Ensures consistent sound throughout the room
Durable construction	Built with high-quality materials for long-term reliability
Compatible with Bose systems	Works seamlessly with Bose amplifiers and receivers

Installation

Unpack and inspect contents. Ensure proper tools and safe working environment.

Choose location: Select wall or ceiling spot free of obstructions (wires, pipes).
Cut opening: Use template to mark and cut drywall for speaker frame.
Connect wires: Strip speaker wire ends, connect to terminals (observe polarity).
Mount speaker: Insert into opening, tighten mounting clamps until secure.
Attach grille: Place magnetic grille over frame, ensuring flush fit.

WARNING! Turn off power to amplifier/receiver before connecting wires. Use caution when cutting drywall.

First-Time Setup

After installation, configure speaker for optimal performance.

Aim tweeter: Adjust tweeter direction toward primary listening area.
Test audio: Play test tones or music to verify sound quality and balance.
Paint grille (optional): If desired, paint grille to match wall/ceiling color.
Integrate with system: Configure amplifier/receiver settings for in-wall speakers.

CAUTION! Ensure speaker is securely mounted before applying power. Do not over-tighten mounting clamps.

Specifications

Type: In-wall/in-ceiling speaker.
Driver Complement: 1" tweeter, 5.25" woofer.
Frequency Response: 50Hz - 20kHz.
Impedance: 8 ohms.
Power Handling: Up to 100 watts RMS.
Sensitivity: 89 dB SPL (2.83V/1m).
Cutout Dimensions: Round or rectangular based on model.
Grille Dimensions: Low-profile design.
Mounting Depth: Requires minimum wall cavity depth.
Finish: White paintable grille.

Controls and Settings

No physical controls on speaker. All adjustments made via connected amplifier/receiver or tweeter aiming.

Tweeter Adjustment: Rotate tweeter for optimal high-frequency dispersion.

Amplifier/Receiver Settings: Configure volume, balance, tone, and crossover settings on connected audio device.

Polarity: Ensure positive/negative terminals match amplifier wiring.

Connecting Devices

Connect to amplifier/receiver using standard speaker wire.

Turn off amplifier/receiver and disconnect power.
Strip insulation from speaker wire ends (approx. 1/2 inch).
Insert bare wire into speaker terminals (positive to positive, negative to negative).
Secure connections by tightening terminal screws.
Route wires neatly into wall cavity before mounting speaker.

Tip: Use quality speaker wire (16-gauge or thicker) for best performance.

Audio Configuration

Optimize sound for your listening environment.

Tweeter aiming: Adjust tweeter to direct high frequencies toward listening area.
Balance: Use amplifier/receiver to balance volume between speakers.
Crossover settings: Set appropriate crossover frequency if using subwoofer.
Room calibration: Use amplifier's auto-setup (if available) to optimize sound.
Testing: Play various audio content to verify performance across frequencies.

WARNING! Do not exceed recommended power handling to avoid speaker damage.

Accessibility Features

Magnetic grille allows easy removal for maintenance. Paintable surface enables visual integration for users with specific decor needs.

Care & Cleaning

Turn off system before cleaning. Use soft, dry cloth for grille. For painted grilles, use gentle cleaning methods appropriate for paint type.

CAUTION! Do not use liquids, solvents, or abrasive cleaners. Avoid pushing on grille surface.

Regulatory Information

FCC Compliance: Class B digital device; complies with Part 15 of FCC rules. Copyright © Bose Corporation. All rights reserved. Bose and Virtually Invisible are trademarks of Bose Corporation. For support, visit www.bose.com or contact Bose Customer Service.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No sound from speaker	Wiring/amplifier issue	Check wire connections; verify amplifier is on and properly configured.
Distorted sound	Overpowering/loose connection	Reduce volume; check wire connections at speaker and amplifier.
Uneven sound distribution	Tweeter not aimed properly	Adjust tweeter direction toward listening area.
Grille not flush	Improper installation	Remove grille, ensure speaker frame is properly seated, reattach grille.
Vibration/rattling	Loose mounting	Tighten mounting clamps; ensure no objects touching speaker.

Reset: Check amplifier/receiver settings and reset if necessary.

Service: Contact Bose Customer Support or visit www.bose.com for assistance.