Bose Music System IV Manual

The Bose Music System IV is a premium integrated audio system featuring a CD player, AM/FM tuner, and auxiliary inputs for connecting external audio sources. It includes Bose proprietary speaker technology, a remote control, bass and treble adjustments, preset station memory, sleep timer, and alarm functions. Powered by 120V AC, 60Hz. 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. Playing CD Media 8. Radio Operation 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Main unit with integrated CD player and tuner, Remote Control, Speaker terminals, AUX INPUT jacks, Headphone jack, AC power cord.

FeatureDescription
CD PlayerPlays audio CDs, CD-R, CD-RW
AM/FM TunerWith digital tuning and preset memory
AUX INPUTFor connecting external audio sources (e.g., smartphone, tablet)
Headphone jackFor private audio listening (3.5mm)
AC input connectorFor power connection
Speaker terminalsFor connecting included Bose speakers
OPEN/CLOSEEjects CD from tray
MUTEMutes sound instantly
POWERTurns system on/off (standby)
BASS/TREBLE controlsIndependent adjustment knobs

Installation

Unpack and inspect all components. Place main unit on a stable, level surface.

  1. Connect speakers: Match colored wires to terminals (red to red, black to black).
  2. Connect antenna: Attach supplied AM loop antenna and FM wire antenna.
  3. Connect auxiliary devices: Use 3.5mm audio cable to AUX INPUT.
  4. Plug into AC power outlet.

WARNING! Ensure proper ventilation; do not block vents. Keep away from heat sources and moisture.

First-Time Setup

Power on system; follow initial setup prompts if displayed.

  1. Set clock: Press CLOCK button and use numeric keys or arrows.
  2. Tune radio stations: Use TUNING buttons, then press MEMORY to save presets.
  3. Adjust tone: Set BASS and TREBLE to preference.
  4. Test CD playback: Insert a CD to verify operation.

CAUTION! Handle CDs by edges; avoid touching playing surface.

Specifications

Controls and Settings

Front Panel: POWER, OPEN/CLOSE, VOLUME, BASS, TREBLE, SOURCE (CD/TUNER/AUX), TUNING, MEMORY.

Remote: POWER, Numeric buttons, OPEN/CLOSE, PLAY/PAUSE, STOP, SKIP, VOLUME, MUTE, SOURCE, CLOCK, SLEEP, ALARM SET.

Tone Controls: Adjust BASS and TREBLE knobs. Tuner: Manual/auto tuning, preset memory. CD: Repeat (ONE/ALL), shuffle, program play. Clock/Alarm: Set wake to CD, radio, or buzzer. Sleep Timer: Shuts off after set time (15-90 min).

Connecting Devices

AUX Input: For MP3 players, smartphones, tablets. Headphone: Private listening.

  1. Turn system off before connecting devices.
  2. Use 3.5mm stereo cable for AUX connection.
  3. Select AUX source via SOURCE button or remote.

Tip: For best audio quality, use quality cables and ensure connections are secure.

Playing CD Media

Supports audio CDs, CD-R, CD-RW.

  1. Insert disc: Press OPEN/CLOSE, place CD in tray, close.
  2. Play: Press PLAY; select track with numeric buttons or SKIP.
  3. Stop: Press STOP; eject with OPEN/CLOSE.
  4. Skip: PREV/NEXT for tracks.
  5. Repeat: Press REPEAT for ONE or ALL tracks.
  6. Shuffle: Press SHUFFLE for random play.
  7. Program: Press PROGRAM to set custom play order.
  8. Pause: Press PAUSE to temporarily halt playback.

WARNING! Do not move unit during CD playback. Avoid using damaged or irregularly shaped discs.

Radio Operation

AM/FM tuning with preset memory.

  1. Select TUNER source.
  2. Choose AM/FM band.
  3. Tune manually with TUNING buttons or auto-scan.
  4. Save station: Tune to station, press and hold MEMORY, then press preset number (1-15).
  5. Recall preset: Press preset number directly or use PRESET buttons.

Note: For better FM reception, fully extend and position wire antenna.

Care & Cleaning

Unplug before cleaning. Use soft, dry cloth for exterior. For CD lens, use approved cleaning disc only.

CAUTION! Do not use solvents or abrasive cleaners. Keep liquids away from unit.

Regulatory Information

FCC Part 15: Class B digital device; complies with limits for residential use. Copyright © Bose Corporation. All rights reserved. For support, visit www.bose.com or contact Bose Customer Service.

Troubleshooting

SymptomPossible CauseCorrective Action
No powerPower cord/outletCheck power connection; try different outlet; ensure unit is plugged in.
No sound from speakersVolume/connections/muteIncrease volume; check speaker wire connections; disable mute.
CD not playingDisc/loadingEnsure CD is inserted correctly (label side up); clean disc; check for scratches.
Poor radio receptionAntenna/positionExtend FM antenna fully; reposition AM loop antenna; avoid obstructions.
Remote not workingBatteries/obstructionsReplace batteries; ensure clear path to IR sensor on main unit.

Reset: Unplug unit for 2 minutes, then reconnect to reset microprocessor.

Service: Contact Bose Customer Service; authorized service centers only.

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