Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your Audiopipe APSW-6000BTU Multimedia Marine Head Unit. Please read this manual thoroughly before using the product to ensure proper function and to prevent damage. Keep this manual for future reference.
Setup
1. Package Contents
Verify that all items are present in the package:
- APSW-6000BTU Marine Head Unit
- Waterproof Silicone Protective Cover
- Wiring Harness
- Mounting Bracket and Hardware
- User Manual (this document)

Image: The product box for the Audiopipe APSW-6000BTU, showing the head unit and branding.
2. Safety Precautions
- Ensure the power supply is disconnected before installation.
- Use appropriate tools and follow all wiring diagrams carefully.
- This unit is designed for marine environments and is IP66 rated. However, avoid direct high-pressure water jets.
- Consult a professional installer if you are unsure about any part of the installation process.
3. Installation
3.1 Mounting the Head Unit
The APSW-6000BTU is designed for easy installation into a standard 3-inch round mounting hole.
- Choose a suitable location on your vessel's dashboard or console that is dry and protected from direct sunlight, yet accessible for operation.
- Cut a 3-inch (approximately 76mm) diameter hole using a hole saw. Ensure there is sufficient depth behind the mounting surface for the unit and wiring.
- Insert the head unit into the mounting hole.
- Secure the unit using the provided mounting bracket and hardware. Tighten the nuts evenly to ensure a snug fit without over-tightening.

Image: The included metal mounting bracket and threaded rods with nuts for securing the head unit.

Image: Front view of the Audiopipe APSW-6000BTU marine head unit, showing the display and control buttons.
3.2 Wiring Connections
Refer to the wiring diagram below and the labels on the included wiring harness for correct connections. Incorrect wiring can cause damage to the unit or vehicle's electrical system.
- Power (Yellow): Connect to a constant 12V DC power source (battery positive).
- Accessory (Red): Connect to a switched 12V DC power source (ignition).
- Ground (Black): Connect to a reliable chassis ground.
- Antenna (Blue): Connect to the power antenna or amplifier remote turn-on lead.
- Speaker Outputs (Colored Pairs): Connect to your marine speakers. Ensure correct polarity.
- RCA Outputs (White/Red): Connect to external amplifiers if used.
- USB Input: For media playback and charging.

Image: The waterproof male and female wire harness provided for installation, showing various colored wires for different connections.

Image: Rear view of the head unit showing the wiring harness connected, along with RCA outputs and USB input.
Operation
1. Basic Controls
The front panel features a 3-inch high-definition LCD display and several control buttons and a rotary knob.
- Power/Mute Button (⏻ / 🔇): Press to turn the unit ON/OFF. Press briefly to MUTE/UNMUTE audio.
- Rotary Knob: Turn to adjust volume. Press to select menu options.
- MENU Button: Press to access the main menu or settings.
- Previous Track/Tune Down (⏮): Press to go to the previous track or tune down radio frequency.
- Next Track/Tune Up (⏭): Press to go to the next track or tune up radio frequency.
2. Source Selection
Press the MENU button repeatedly to cycle through available sources: FM, AM, Bluetooth Audio, USB Audio.
3. Radio Operation (AM/FM)
- Tuning: Use the ⏮ and ⏭ buttons to manually tune frequencies. Press and hold for automatic seek tuning.
- Presets: The unit supports 18 FM and 12 AM presets. To save a station, tune to the desired frequency, then press and hold the rotary knob until the preset number flashes. Turn the knob to select a preset slot, then press to confirm.
- Recalling Presets: In radio mode, briefly press the rotary knob to cycle through saved presets.
4. Bluetooth Audio Streaming
- Ensure Bluetooth is enabled on your mobile device.
- Select "Bluetooth Audio" as the source on the head unit. The display will show "PAIRING".
- On your mobile device, search for Bluetooth devices and select "APSW-6000BTU".
- Once paired, the unit will display "CONNECTED". You can now stream audio from your device.
- Use the ⏮ and ⏭ buttons to control track playback.
5. USB Playback and Charging
- Insert a USB drive containing MP3 or WMA audio files into the USB port.
- Select "USB Audio" as the source. The unit will automatically begin playback.
- Use the ⏮ and ⏭ buttons to navigate tracks.
- The USB port also provides charging for compatible mobile devices.
6. Audio Settings
Press the MENU button and navigate to "Audio Settings" to adjust:
- Bass: Adjust low-frequency output.
- Treble: Adjust high-frequency output.
- Balance: Adjust left/right speaker output.
- Fader: Adjust front/rear speaker output (if applicable).
Maintenance
- Cleaning: Use a soft, damp cloth to clean the unit's display and buttons. Avoid abrasive cleaners or solvents.
- Protective Cover: Use the provided waterproof silicone protective cover when the unit is not in use or during harsh weather conditions to extend its lifespan.
- Connections: Periodically check all wiring connections to ensure they are secure and free from corrosion.

Image: The Audiopipe APSW-6000BTU marine head unit shown with its gray silicone protective cover.

Image: A side view of the gray silicone protective cover, highlighting its design to shield the head unit.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not power on. | No power connection; Blown fuse; Incorrect wiring. | Check power and ground connections. Verify fuse is intact. Review wiring diagram. |
| No sound. | Volume too low; Mute activated; Speaker wires disconnected; Incorrect source selected. | Increase volume. Deactivate mute. Check speaker connections. Select correct audio source. |
| Bluetooth not connecting. | Bluetooth not enabled on device; Unit not in pairing mode; Interference. | Ensure Bluetooth is on and discoverable on your device. Select Bluetooth source on head unit to enter pairing mode. Move closer to the unit. |
| USB playback issues. | Unsupported file format; Corrupt USB drive; USB drive not properly inserted. | Ensure files are MP3/WMA format. Try a different USB drive. Reinsert USB drive. |
| Radio reception is poor. | Antenna not connected; Weak signal; Interference. | Check antenna connection. Try tuning to a stronger station. Move away from sources of electrical interference. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | APSW-6000BTU |
| Display | 3" High Definition Positive LCD Display (Segment Type) |
| Waterproof Rating | IP66 (Dust, UV, Temperature, Water, Corrosion & Vibration Resistant) |
| Radio Tuner | AM/FM with 18 FM / 12 AM Presets |
| Connectivity | Wireless Music Streaming (Bluetooth), USB |
| Audio Playback | MP3 & WMA music playback via USB |
| USB Functionality | Cell phone charging, Media playback |
| Audio Controls | Bass, Treble, Balance, Fader |
| Included Components | Waterproof Silicone Protective Cover, Wiring Harness |
| Material | Copper (Enclosure) |
| Color | Black |
| UPC | 784644113073 |
Warranty Information
The Audiopipe APSW-6000BTU Multimedia Marine Head Unit comes with a 1 Year Manufacturer Warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use. It does not cover damage resulting from improper installation, accident, misuse, abuse, neglect, unauthorized modification, or normal wear and tear.
To claim warranty service, please retain your proof of purchase and contact Audiopipe customer support.
Customer Support
For technical assistance, troubleshooting not covered in this manual, or warranty inquiries, please contact Audiopipe customer support.
- Website: Visit the official Audiopipe website for support resources and contact information.
- Email: Refer to your product packaging or the Audiopipe website for support email addresses.
- Phone: Refer to your product packaging or the Audiopipe website for support phone numbers.
When contacting support, please have your model number (APSW-6000BTU) and proof of purchase readily available.