Bose QuietComfort 2 Manual

The Bose QuietComfort 2 is a premium noise-cancelling headphone model designed for superior audio quality and comfort. It features advanced noise cancellation technology, high-fidelity audio reproduction, plush ear cushions, and intuitive controls for music playback and calls. Below are key sections covering safety, features, setup, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Package Contents 3. Getting Started 4. Specifications 5. Controls and Functions 6. Connecting to Devices 7. Using Noise Cancellation 8. Battery & Charging 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Headphones with built-in microphone, Audio cable, Carrying case, Charging cable (if applicable), Airline adapter.

Feature	Description
Active Noise Cancellation	Electronically reduces ambient noise for immersive listening
High-Fidelity Audio	Delivers clear, balanced sound across all frequencies
Plush Ear Cushions	Memory foam cushions for extended comfort
Inline Remote & Microphone	Controls playback, volume, and call management
Foldable Design	Collapses for easy storage in included carrying case
Battery-Powered Operation	Rechargeable or replaceable battery for noise cancellation
Auxiliary Input	3.5mm jack for wired connection to audio sources
Volume Control	Adjustable volume via inline remote or headphone controls
Power Switch	Turns noise cancellation and headphones on/off
Battery Indicator	LED shows battery status (if applicable)

Package Contents

Unpack and verify all items are present.

Bose QuietComfort 2 headphones
Audio cable (detachable) with inline remote and microphone
Carrying case or travel pouch
Charging cable (for rechargeable models)
Airline adapter (two-prong)
User manual and warranty information

WARNING! Keep small parts away from children to avoid choking hazard.

Getting Started

Prepare headphones for first use.

Charge the headphones: Connect charging cable to headphones and power source (if rechargeable).
Install battery: For models using AAA battery, insert into compartment following polarity markings.
Connect audio cable: Plug into headphones and audio source (phone, tablet, computer).
Power on: Slide power switch to ON position; LED indicator will light (if equipped).

CAUTION! Use only recommended battery type; do not mix old and new batteries.

Specifications

Type: Over-ear, closed-back headphones.
Driver Size: Proprietary Bose drivers.
Frequency Response: 10 Hz – 20 kHz.
Impedance: 32 ohms.
Noise Cancellation: Active, switchable.
Battery: AAA battery or rechargeable lithium-ion (model dependent).
Battery Life: Up to 35 hours (noise cancellation on).
Connections: 3.5mm audio jack, airline adapter compatible.
Weight: Approximately 200 grams (without cable).
Operating Temperature: 0°C to 45°C (32°F to 113°F).

Controls and Functions

Access controls via inline remote or headphone buttons.

Inline Remote: Volume up/down, Play/Pause, Next/Previous track, Call answer/end.

Headphone Controls: Power switch (noise cancellation), Battery compartment.

Noise Cancellation: Turn ON/OFF via power switch; LED indicates status. Volume: Adjust via remote buttons. Playback: Single button for play/pause; double-click for next track; triple-click for previous track. Calls: Press once to answer/end call; press and hold to reject call.

Connecting to Devices

Wired connection to audio sources.

Ensure headphones are powered ON (for noise cancellation).
Connect audio cable to headphones (left earcup).
Connect other end to device's headphone jack (phone, tablet, computer, in-flight entertainment).
Adjust volume on both device and inline remote as needed.

Tip: For best audio quality, ensure connections are secure and cable is undamaged.

Using Noise Cancellation

Activate to reduce ambient noise.

Power on: Slide switch to ON; you may hear slight hiss (normal).
Adjust volume: Use device or remote to set comfortable listening level.
For travel: Use airline adapter with in-flight entertainment systems.
Conserve battery: Turn OFF when not needed to extend battery life.

WARNING! Do not use in situations where awareness of surroundings is critical (e.g., walking near traffic).

Battery & Charging

For rechargeable models: Use included charging cable; connect to USB power source. LED indicates charging (red) and full (green). For AAA battery models: Replace when noise cancellation weakens or LED dims.

Battery Safety: Use only specified battery type; remove if not used for extended periods; recycle properly.

Care & Maintenance

Unplug cables before cleaning. Wipe headphones with dry, soft cloth; avoid liquids.

Ear cushions: Remove gently for cleaning; wipe with damp cloth (if needed) and air dry completely before reattaching.

CAUTION! Do not immerse in water; avoid extreme heat or cold; store in carrying case when not in use.

Regulatory Information

FCC Compliance: This device complies with Part 15 of FCC rules; operation subject to conditions that it does not cause harmful interference. CE Mark: Conforms to European directives. Copyright © Bose Corporation; trademarks owned by Bose Corporation. For support, visit www.bose.com/support or contact Bose Customer Service.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No sound	Cable/connection issue	Ensure cable fully inserted; try different audio source; check volume levels.
Noise cancellation not working	Battery dead/off	Replace or recharge battery; ensure power switch is ON.
Intermittent audio	Loose/damaged cable	Inspect cable for damage; reconnect securely; try different cable.
Poor call quality	Microphone blocked	Ensure inline remote microphone is not covered; speak clearly near microphone.
Battery drains quickly	Old battery/usage	Use fresh, recommended battery; turn OFF when not in use.

Reset: Disconnect all cables, turn OFF, remove battery for 30 seconds, then restart.

Service: Contact Bose Customer Support or visit www.bose.com/support for warranty service.