1. Introduction
Thank you for purchasing the Philips Portable CD Player Boombox AZ318B/37. This device offers versatile audio playback options including CD, FM radio, USB, and Aux-in. It features Dynamic Bass Boost for enhanced sound and a clear LCD display for easy navigation. This manual provides essential information for safe and effective use of your new boombox.

Image 1.1: Angled view of the Philips Portable CD Player Boombox AZ318B/37. This image displays the compact design with dual speakers, top-loading CD compartment, and control buttons.
2. Safety Information
- Read these instructions carefully before using the product.
- Keep this manual for future reference.
- Do not expose the device to rain or moisture.
- Do not block any ventilation openings.
- Ensure proper ventilation around the device.
- Use only attachments/accessories specified by the manufacturer.
- Unplug the device during lightning storms or when unused for long periods.
- Refer all servicing to qualified service personnel.
3. What's in the Box
Please check that you have received the following items:
- Philips Portable CD Player Boombox AZ318B/37
- AC Power Cord
- User Manual
4. Product Overview
4.1 Controls and Connectors

Image 4.1: Diagram illustrating the various controls and their functions on the Philips Portable CD Player Boombox. Key controls include Power, Volume, Play, Pause, Rewind, Fast Forward, Album Preset, and the LCD display.
- POWER: Turns the device on or off.
- ALBUM PRESET + / -: Navigates through albums or preset radio stations.
- REWIND: Rewinds the current track or searches backward.
- PLAY: Starts playback.
- PAUSE: Pauses playback.
- FAST FORWARD: Fast forwards the current track or searches forward.
- VOLUME + / -: Adjusts the volume level.
- MODE: Selects the audio source (CD, FM, USB, Aux-in).
- DBB (Dynamic Bass Boost): Enhances bass response.
- LCD Display: Shows current mode, track information, and time.
- USB Port: For connecting USB storage devices.
- AUX-IN: For connecting external audio devices.
- Headphone Jack: For private listening.
5. Setup
5.1 Power Connection
The boombox can be powered by AC mains or batteries.
AC Power
- Ensure the voltage of your power supply matches the voltage indicated on the rating plate located on the bottom of the unit.
- Connect the AC power cord to the AC IN socket on the back of the boombox.
- Plug the other end of the power cord into a wall outlet.
Battery Installation
For portable use, you can power the boombox with 6 x C-size batteries (not included).
- Open the battery compartment cover on the bottom of the unit.
- Insert 6 C-size batteries, ensuring the correct polarity (+/-) as indicated inside the compartment.
- Close the battery compartment cover securely.
6. Operating Instructions
6.1 CD Playback
- Open the CD compartment cover.
- Place a CD (CD, CD-R, CD-RW, MP3-CD) with the label side facing up onto the spindle.
- Close the CD compartment cover.
- Press the MODE button repeatedly until 'CD' appears on the display.
- Press the PLAY button to start playback.
- Use REWIND or FAST FORWARD to skip tracks or search within a track.
- Press PAUSE to temporarily stop playback. Press again to resume.
6.2 USB Playback

Image 6.1: The Philips Portable CD Player Boombox with a USB stick shown near the USB port, illustrating the USB playback feature.
- Insert a USB storage device into the USB port.
- Press the MODE button repeatedly until 'USB' appears on the display.
- The device will automatically detect and play compatible audio files (e.g., MP3).
- Use REWIND or FAST FORWARD to skip tracks or search within a track.
6.3 FM Radio

Image 6.2: Front view of the Philips Portable CD Player Boombox highlighting the 'FM digital tuning' capability on the display.
- Extend the FM antenna for optimal reception.
- Press the MODE button repeatedly until 'FM' appears on the display.
- Press and hold REWIND or FAST FORWARD to automatically scan for the next available station.
- Press ALBUM PRESET + / - to navigate through preset stations (if programmed).
6.4 Aux-in Connection
Connect an external audio device (e.g., smartphone, MP3 player) to the boombox.
- Connect one end of a 3.5mm audio cable (not included) to the AUX-IN jack on the boombox.
- Connect the other end of the cable to the headphone jack or audio output of your external device.
- Press the MODE button repeatedly until 'AUX' appears on the display.
- Control playback and volume from your external device.
6.5 Dynamic Bass Boost (DBB)

Image 6.3: The Philips Portable CD Player Boombox with an overlay explaining the Dynamic Bass Boost feature, which enhances bass content across volume settings.
Press the DBB button to activate or deactivate the Dynamic Bass Boost feature. When activated, this feature electronically enhances the bass frequencies, providing a richer and deeper sound experience, especially at lower volume levels.
7. Maintenance
7.1 Cleaning
- Always unplug the device before cleaning.
- Use a soft, damp cloth to clean the exterior. Do not use abrasive cleaners or solvents.
- For the CD lens, use a specialized CD lens cleaner.
7.2 Storage
- If storing the unit for an extended period, remove the batteries to prevent leakage.
- Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
8. Troubleshooting
If you encounter issues with your boombox, refer to the following table for common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | AC cord not connected; Batteries depleted or incorrectly inserted. | Check AC cord connection; Replace batteries or ensure correct polarity. |
| No sound | Volume too low; Incorrect source selected; Headphones connected. | Increase volume; Press MODE to select correct source; Disconnect headphones. |
| CD skipping or not playing | CD dirty or scratched; CD inserted incorrectly; Moisture condensation. | Clean or replace CD; Insert CD with label side up; Allow unit to dry for an hour. |
| Poor FM reception | Antenna not extended; Weak signal. | Fully extend and adjust the FM antenna; Try moving the unit to a different location. |
| USB not recognized | Incompatible file format; USB device not properly inserted. | Ensure files are MP3 format; Reinsert USB device firmly. |
9. Specifications

Image 9.1: Diagram illustrating the product dimensions of the Philips Portable CD Player Boombox, showing approximate measurements of 11 inches (width), 10 inches (depth), and 6 inches (height).
- Model Number: AZ318B/37
- Brand: PHILIPS
- Connectivity Technology: Auxiliary, USB
- Color: Black
- Speaker Type: Stereo
- Power Source: Battery Powered (6 x C-size batteries, not included), AC Powered
- Item Weight: 3.25 pounds (approx. 1.47 kg)
- Package Dimensions: 11.14 x 10.24 x 6.26 inches (approx. 28.3 x 26 x 15.9 cm)
- Supported Disc Formats: CD, CD-R, CD-RW, MP3-CD
- Supported USB Audio Formats: MP3
- FM Radio: Digital Tuning
10. Warranty and Support
For warranty information and customer support, please refer to the warranty card included with your product or visit the official Philips support website. You can find detailed support resources, FAQs, and contact information for your region.
Online Support: www.philips.com/support