1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your BOSS Audio Systems BCPA9685RC Car Audio Stereo System. This double-DIN head unit offers a 6.75-inch touchscreen display, integrating advanced features like Apple CarPlay and Android Auto for seamless smartphone connectivity, Bluetooth for hands-free calling and audio streaming, AM/FM radio, USB input, and a rearview camera for enhanced safety.
2. Package Contents
Upon unboxing, please ensure all items listed below are present:
- BOSS Audio Systems BCPA9685RC Head Unit
- Mounting hardware
- Power harness
- External microphone
- Rearview Camera

Figure 1: BOSS Audio Systems BCPA9685RC head unit and rearview camera.
3. Key Features
- Apple CarPlay: Access iPhone icons via Siri voice controls or touchscreen. Features include Phone, Music, Maps, Text messages, Radio, Podcasts, Audiobooks.
- Android Auto: Use "Ok Google" for Google Assistant. Get real-time alerts on Google Maps and Waze. Make calls, check messages, reply, and use music apps hands-free.
- Bluetooth: Hands-free calling with Siri and audio streaming from apps like Spotify, Pandora, iTunes, and Apple Music.
- Rearview Camera: Automatically lowers volume when reversing to display rear surroundings on screen, enhancing safety.
- USB Connectivity: Connect for media playback and safe backup camera integration.
- Steering Wheel Interface: Compatible with existing steering wheel controls (interface module sold separately, Metra ASWC-1 recommended).
- App Integration: Rearrange CarPlay apps via iPhone settings. Supports WhatsApp, Radio Disney, Amazon, iHeartRadio, Podcasts, Google Play Music, CBS Radio, and more.

Apple CarPlay

Android Auto

Hands-free Calling

Audio Streaming

USB Input

USB Charging

AUX Input

Pre-amp Output
4. Setup and Installation
Professional installation of this product is strongly recommended to ensure proper and safe functionality. Refer to the included installation guide for detailed wiring diagrams and mounting instructions.
4.1 Wiring Connections
- Connect the power harness according to your vehicle's wiring diagram.
- Install the external microphone in a suitable location for clear hands-free communication.
- Connect the rearview camera to the designated input on the head unit.
- If using steering wheel controls, connect the compatible interface module (sold separately) to the head unit.
5. Operating Instructions
5.1 Apple CarPlay
Connect your iPhone via USB. The CarPlay interface will appear on the touchscreen. Use Siri voice commands or the touchscreen to access Phone, Music, Maps, Messages, Podcasts, and Audiobooks. Siri can read and send messages, and assist with navigation.
5.2 Android Auto
Connect your Android phone via USB. Say "Ok Google" to activate the Google Assistant. Access Google Maps, Waze, make calls, check messages, and use music apps directly from the head unit.
5.3 Bluetooth Audio and Calling
Pair your smartphone with the head unit via Bluetooth for hands-free calling and wireless audio streaming. Use Siri for voice commands during calls and music playback.
5.4 AM/FM Radio
Select the Radio source to access AM/FM tuning. Use the touchscreen controls to scan for stations and save your favorite presets.
5.5 Rearview Camera
When your vehicle is shifted into reverse, the rearview camera display will automatically activate on the touchscreen, providing a clear view of the area behind your vehicle.
5.6 USB Media Playback and Charging
Connect a USB device to the USB port for media playback. The USB port also provides charging capabilities for compatible devices.
6. Maintenance
- Keep the touchscreen clean using a soft, dry cloth. Avoid abrasive cleaners.
- Ensure all cables are securely connected to prevent signal loss or intermittent functionality.
- Regularly check for software updates from BOSS Audio Systems to ensure optimal performance and compatibility.
7. Troubleshooting
If you encounter any issues, please refer to the following common troubleshooting steps:
- No Power: Check the power harness connections and the vehicle's fuse box.
- No Audio: Verify speaker connections, volume levels, and audio source selection.
- Bluetooth Connectivity Issues: Ensure Bluetooth is enabled on your smartphone and the head unit. Try unpairing and re-pairing the device.
- CarPlay/Android Auto Not Activating: Ensure your smartphone is connected via a certified USB cable. Check your phone's settings for CarPlay/Android Auto permissions.
- Rearview Camera Not Displaying: Check camera connections and ensure the vehicle is in reverse.
For further assistance, please contact BOSS Audio Systems customer support.
8. Specifications
| Product Dimensions | 3.6 x 6.7 x 3.8 inches |
| Item Weight | 3.4 pounds |
| Model Number | BCPA9685RC |
| Connectivity Technology | Bluetooth, USB Type A |
| Special Features | Android Auto, Apple CarPlay |
| Audio Output Mode | Stereo |
| Color | BLACK |
9. Warranty and Support
BOSS Audio Systems provides a powerful 3-year platinum online dealer warranty for this product when purchased through Amazon.com. For technical assistance or warranty claims, please refer to the contact information provided by BOSS Audio Systems.





