Bose 412540 Manual

The Bose 412540 is a high-performance audio system featuring advanced speaker technology, multiple input options, wireless connectivity, and intuitive controls. Designed for superior sound quality in various environments, it includes features like Bluetooth pairing, EQ adjustments, remote control, and compatibility with various audio sources. 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. Wireless Connectivity 8. Audio Settings 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Advanced speaker drivers, Control Panel, Bluetooth module, AUX input, Optical input, Remote Control, Power adapter.

Feature	Description
Bluetooth Connectivity	Wireless pairing with smartphones, tablets, and computers
AUX Input	3.5mm jack for wired audio connection
Optical Input	Digital audio input for TVs and media players
Remote Control	For convenient operation from a distance
EQ Presets	Multiple sound profiles (Music, Movie, Voice, Custom)
Power Adapter	For AC power connection
Volume Control	Adjusts audio output level
Power Button	Turns system on/off
Pairing Button	Initiates Bluetooth pairing mode
Status LED	Indicates power, pairing, and connection status

Installation

Unpack and inspect contents. Place on stable, level surface.

Position speakers: Place left and right speakers at ear level, facing listening area.
Connect power: Plug power adapter into AC outlet and system power port.
Connect audio sources: Use AUX or Optical cable for wired connections.
Ensure proper ventilation: Keep at least 2 inches clearance around vents.

WARNING! Do not place near heat sources or in humid environments. Handle speakers with care to avoid damage.

First-Time Setup

Power on system; follow initialization prompts.

Bluetooth pairing: Press Pairing button, select "Bose 412540" on your device.
Source selection: Use INPUT button to cycle through Bluetooth, AUX, Optical.
EQ adjustment: Press EQ button to select preset (Music recommended for first use).
Volume calibration: Set volume to medium level for optimal performance.

CAUTION! Ensure stable power supply; avoid using with damaged cables.

Specifications

Speaker Type: 2-way bass-reflex design.
Power Output: 50W RMS per channel.
Frequency Response: 45Hz - 20kHz.
Connectivity: Bluetooth 5.0, AUX, Optical input.
Controls: Power, Volume, Input, EQ, Pairing.
Supported formats: Standard audio formats (MP3, AAC, WAV).
Power Source: 100-240V AC, 50/60Hz.
Operating Temp: 32°F to 104°F (0°C to 40°C).

Controls and Settings

Access settings via front panel buttons or remote control. Front Panel: POWER, VOLUME UP/DOWN, INPUT, EQ, PAIRING.

Remote: POWER, VOLUME, MUTE, INPUT, EQ, PLAY/PAUSE, SKIP TRACK.

Audio Settings: EQ presets (MUSIC, MOVIE, VOICE, CUSTOM), bass/treble adjustment, balance control. System: Auto-standby (30 min default), Bluetooth device list, factory reset. Display: LED brightness, status indicators.

Connecting Devices

Bluetooth: Wireless pairing. AUX: 3.5mm cable. Optical: Digital audio cable.

Turn off system before making wired connections.
Match cables to correct ports (e.g., Optical to Optical input).
Select input source via INPUT button (BT, AUX, OPT).

Tip: For best audio quality with TV, use Optical connection.

Wireless Connectivity

Supports Bluetooth 5.0 for wireless audio streaming.

Enable pairing: Press PAIRING button until LED flashes blue.
Device search: On your device, enable Bluetooth and select "Bose 412540".
Connection: Enter PIN if required (default 0000).
Playback: Control playback from connected device or remote.
Multiple devices: System remembers up to 8 paired devices.
Reconnection: Automatically reconnects to last used device.

WARNING! Keep within 33 feet (10 meters) range for stable connection. Avoid interference from other wireless devices.

Audio Settings

EQ Presets: Select MUSIC for general listening, MOVIE for enhanced dialogue, VOICE for podcasts/audiobooks. Custom EQ: Adjust bass/treble to preference in settings menu.

Care & Maintenance

Unplug before cleaning. Use soft, dry cloth for exterior; compressed air for vents.

CAUTION! Do not use liquid cleaners; avoid water contact. Store in dry environment when not in use.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits. ICES-003: Complies with Canadian standards. Copyright © 2023 Bose Corporation; trademarks of Bose Corporation. For support, visit www.bose.com/support or contact 1-800-999-2673.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power connection	Check power adapter connection; ensure outlet is working.
No sound	Volume/mute/input	Increase volume; check mute status; verify correct input source.
Bluetooth not connecting	Pairing mode/distance	Enter pairing mode; move device closer; remove obstacles.
Poor audio quality	Connection/EQ settings	Check cable connections; adjust EQ settings; update source device.
Remote not working	Batteries/obstructions	Replace batteries; ensure line of sight to IR sensor.

Reset: Hold POWER + EQ for 10 seconds to factory reset.

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