Introduction
Thank you for choosing the Oakcastle HIFI150 Stereo System. This manual provides essential information for setting up, operating, and maintaining your device. Please read it thoroughly before use and retain it for future reference.
Safety Information
To ensure safe operation and prevent damage, please observe the following safety precautions:
- Do not expose the unit to rain, moisture, or extreme temperatures.
- Do not open the casing. Refer all servicing to qualified personnel.
- Ensure proper ventilation around the unit. Do not block any ventilation openings.
- Use only the power adapter supplied with the unit.
- Keep the unit away from heat sources such as radiators, stoves, or other heat-producing appliances.
- Clean the unit only with a dry cloth.
Package Contents
Please check that all items are present in your package:
- Oakcastle HIFI150 Stereo System
- Remote Control
- Batteries for Remote Control
- Power Cable
- User Manual

Image: The Oakcastle HIFI150 package contents, showing the main unit, two speakers, remote control with batteries, power adapter, and user manual.
Product Overview
The Oakcastle HIFI150 features a compact design with intuitive controls and multiple connectivity options.
Front Panel Controls and Display

Image: A close-up of the Oakcastle HIFI150 main unit's front panel, highlighting the digital display, central volume knob, mode selection buttons, and front-facing AUX In and USB ports. The display shows 'BLUETOOTH'.
- Display: Shows current mode, track information, and radio frequency.
- Power Button: Turns the unit on or off.
- Mode Button: Cycles through input sources (CD, FM, Bluetooth, AUX, USB).
- Volume Knob: Adjusts the master volume.
- Play/Pause Button: Controls playback for CD, USB, and Bluetooth.
- Skip/Tune Buttons: Navigates tracks or tunes radio frequencies.
- AUX In Port: For connecting external audio devices via a 3.5mm cable.
- USB Port: For playing audio files from a USB drive.
Rear Panel Connections
The rear panel includes connections for speakers and power.
Setup
1. Connecting the Speakers
Connect the included speakers to the speaker terminals on the rear of the main unit. Ensure correct polarity (red to red, black to black) for optimal sound quality.
2. Power Connection
Plug the power cable into the AC inlet on the rear of the main unit, then plug the other end into a standard wall outlet.
Operating Instructions
Power On/Off
Press the Power button on the front panel or remote control to turn the unit on or off.
Mode Selection
Press the Mode button on the front panel or remote control repeatedly to cycle through the available input sources: CD, FM Radio, Bluetooth, AUX, and USB.
Bluetooth Operation
- Select Bluetooth mode using the Mode button. The display will show 'BLUETOOTH' and the unit will enter pairing mode.
- On your smartphone or other Bluetooth device, enable Bluetooth and search for available devices.
- Select 'OAKCASTLE HIFI150' from the list. Once connected, the unit will confirm the connection.
- You can now stream audio wirelessly from your device to the HIFI150.
CD Playback

Image: The Oakcastle HIFI150 with its top-loading CD player mechanism open, revealing a compact disc placed inside. The display shows 'CD'.
- Open the CD compartment cover.
- Place a CD (MP3, CD, WMA, or CD-R format) onto the spindle with the label side facing up.
- Close the CD compartment cover.
- Select CD mode. The unit will read the disc and begin playback automatically.
- Use the Play/Pause and Skip buttons to control playback.
FM Radio Operation

Image: The Oakcastle HIFI150 main unit with its telescopic antenna extended, displaying an FM radio frequency on its screen. The unit is placed between two speakers.
- Select FM Radio mode.
- Extend the telescopic antenna for better reception.
- Auto Scan: Press and hold the Play/Pause button to automatically scan and save available FM stations (up to 30 presets).
- Manual Tuning: Use the Skip/Tune buttons to manually adjust the frequency.
- Recall Presets: Use the 'FAV/PROG' button on the remote to cycle through saved stations.
USB Playback
- Insert a USB drive into the USB port on the front panel.
- Select USB mode. The unit will automatically detect and begin playing compatible audio files (MP3, WMA).
- Use the Play/Pause and Skip buttons to control playback.
AUX Input
- Connect an external audio device (e.g., MP3 player, smartphone) to the AUX In port on the front panel using a 3.5mm audio cable (not included).
- Select AUX mode.
- Control playback from your connected external device.
Volume Control
Rotate the Volume Knob on the front panel or use the VOL+/- buttons on the remote control to adjust the sound level.
Remote Control Usage
The included remote control provides full functionality for the HIFI150. Ensure batteries are correctly inserted. Point the remote control towards the front panel of the main unit for optimal response.
Maintenance
Cleaning
- Wipe the unit with a soft, dry cloth.
- Do not use abrasive cleaners, waxes, or solvents as they may damage the finish.
Storage
If the unit is not used for an extended period, unplug it from the power outlet and store it in a cool, dry place.
Troubleshooting
If you encounter issues with your HIFI150, please refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power cable not connected; Power outlet faulty | Ensure power cable is securely connected; Try a different power outlet. |
| No sound | Volume too low; Incorrect input mode; Speakers not connected | Increase volume; Select correct input mode; Check speaker connections. |
| CD not playing | CD inserted incorrectly; Disc scratched/dirty; Incorrect format | Reinsert CD correctly; Clean or replace disc; Ensure disc is compatible (MP3, CD, WMA, CD-R). |
| Bluetooth not connecting | Bluetooth mode not selected; Device too far; Device already connected to another unit | Select Bluetooth mode; Move device closer; Disconnect from other devices and try again. |
| Poor FM reception | Antenna not extended; Weak signal | Fully extend the telescopic antenna; Try repositioning the unit. |
Specifications
| Model Number | 1000002971 |
| Brand | Oakcastle |
| Connectivity | Bluetooth 5.2, USB, AUX |
| Audio Output | 20W |
| Supported Media | CD, MP3, WMA, CD-R, USB |
| Radio | FM Radio with 30 Presets |
| Compatible Devices | MP3 Player, Smartphone, Tablet |
| Cabinet Material | Wood |
| Color | Black |
| Item Dimensions (L x W x H) | 13.7 x 17.8 x 9 cm |
| Item Weight | 2 Kilograms |
Warranty and Support
The Oakcastle HIFI150 comes with an extended 3-year warranty. Registration is required to activate the full warranty period. Please refer to the warranty card included in your package or visit the official Oakcastle website for registration details and support information.
For technical assistance or further inquiries, please contact Oakcastle customer support through their official channels.





