Stiflix 20BT
Stiflix Single Din Car Stereo Receiver User Manual
Model: 20BT
Introduction
Thank you for choosing the Stiflix Single Din Car Stereo Receiver. This manual provides detailed instructions for the installation, operation, and maintenance of your new audio system. Please read this manual thoroughly before use to ensure proper functionality and to maximize your listening experience. This versatile unit is designed for both car and marine applications, offering a wide range of features including Bluetooth connectivity, FM/AM radio, and multiple media inputs.

Figure 1: Stiflix Single Din Car Stereo Receiver with included accessories.
What's in the Box
- Digital Media Car Radio
- IR Remote Control
- External Microphone
- Installation Kits (Mounting brackets, wiring harnesses)

Figure 2: All components included in the Stiflix Single Din Car Stereo package.
Key Features
- Bluetooth Connectivity: Supports A2DP music streaming and hands-free calling with a noise-canceling internal microphone and an 11ft external microphone.
- RDS AM/FM Radio: High-performance radio module with 30 station memory, providing real-time music, news, and traffic information. Features power-off memory.
- Multiple Media Inputs: USB (up to 64GB), Micro SD (up to 32GB), and AUX input for diverse audio sources. Supports ID3 tag song readout.
- 2.1A Quick Charge: Dedicated USB port for fast charging of mobile devices.
- Enhanced Sound Experience: 300W preset amplifier output with subwoofer audio support. Customizable EQ (Bass, Treble, Balance) for 3D sound effects.
- APP Remote Control: Control the stereo wirelessly via the Ewaylink APP (Bluetooth connection required).
- Multi-color LCD Display: Stylish digital LCD display with 7-color customizable club light buttons. Rotary knob for easy volume adjustment.
- Universal Single Din Design: Compatible with most cars and boats with single din dash openings.
Setup and Installation
Proper installation is crucial for optimal performance. It is recommended to have this unit installed by a professional if you are unfamiliar with car audio wiring.
Pre-Installation Checklist:
- Ensure the vehicle's ignition is off and the negative battery terminal is disconnected.
- Verify the mounting location fits the single din dimensions (7.40" L x 1.97" H x 4.52" W).
- Gather necessary tools: wire strippers, crimpers, electrical tape, screwdriver.
Wiring Diagram:
Refer to the included wiring harness for specific connections. Generally, match wire colors from the stereo harness to your vehicle's wiring harness. Common connections include:
- Yellow: Constant 12V (Battery)
- Red: Switched 12V (Accessory/Ignition)
- Black: Ground
- Blue: Power Antenna/Amplifier Remote Turn-On
- Speaker Wires: (e.g., White/White-Black for Front Left, Gray/Gray-Black for Front Right, Green/Green-Black for Rear Left, Purple/Purple-Black for Rear Right)
Connect the external microphone to the 3.5mm jack on the back of the unit for improved call quality.

Figure 3: Rear connections of the stereo, highlighting the external microphone input.

Figure 4: Close-up of the external microphone jack.
Operating Instructions
Basic Operation:
- Power On/Off: Press the SRC button to turn the unit on. Press and hold to turn off.
- Volume Control: Rotate the large central knob to adjust volume.
- Mode Selection: Press the SRC button repeatedly to cycle through modes (FM, AM, Bluetooth, USB, SD, AUX).
- Display Color Change: Press the BAND button to cycle through 7 different display colors.

Figure 5: Customizable multi-color LCD display and button illumination.
Bluetooth Operation:
- Ensure Bluetooth is enabled on your mobile device.
- Select "BT AUDIO" mode on the stereo.
- Search for "Stiflix" or "CA-20BT" in your device's Bluetooth settings and pair.
- Once paired, you can stream audio and make/receive hands-free calls.
- Use the CALL button on the unit or remote to answer/end calls.

Figure 6: Bluetooth A2DP music streaming capability.

Figure 7: Bluetooth hands-free calling with noise cancellation.
Radio Operation (FM/AM):
- Select "FM" or "AM" mode using the SRC button.
- Press the SEEK buttons (|< or >|) to automatically search for stations.
- Press and hold SEEK buttons for manual tuning.
- Press the numbered preset buttons (1-6) to save or recall favorite stations.

Figure 8: FM/AM radio functionality.
USB/SD/AUX Playback:
- Insert a USB flash drive (up to 64GB) or Micro SD card (up to 32GB) into the respective slot.
- Connect an external audio device to the 3.5mm AUX input.
- The unit will automatically switch to the correct mode or can be selected manually via the SRC button.
- Use the PLAY/PAUSE and SKIP buttons for media control.

Figure 9: USB, SD, and AUX input options.
APP Remote Control:
Download the "Ewaylink" APP from your device's app store. Ensure Bluetooth is connected between your phone and the stereo. The app allows for wireless control of various stereo functions.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the unit's surface. Avoid abrasive cleaners or solvents.
- Connections: Periodically check all wiring connections to ensure they are secure and free from corrosion.
- Temperature: Avoid exposing the unit to extreme temperatures or direct sunlight for prolonged periods.
- Moisture: While designed for marine use, avoid direct water exposure to the main unit. Ensure all connections are properly sealed in marine environments.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No Power | Incorrect wiring; Blown fuse; Disconnected battery. | Check all power connections (Yellow, Red, Black). Inspect vehicle's fuse box and the unit's inline fuse. Reconnect battery. |
| No Sound | Speaker wires disconnected; Volume too low; Mute activated; Incorrect audio source. | Verify speaker connections. Increase volume. Check if mute is on. Select correct audio source. |
| Bluetooth Not Connecting | Bluetooth not enabled on device; Unit not in pairing mode; Interference. | Ensure Bluetooth is on and discoverable. Select BT mode on stereo. Move closer to unit. Try unpairing and re-pairing. |
| Poor Radio Reception | Antenna not connected; Weak signal area; Antenna damaged. | Check antenna connection. Try tuning to a stronger station. Consider a new antenna if damaged. |
| USB/SD Not Reading | Unsupported file format; Corrupted media; Exceeded capacity. | Ensure media is formatted correctly (FAT32). Check file types. Verify capacity (USB up to 64GB, SD up to 32GB). |
Specifications
| Feature | Detail |
|---|---|
| Brand | Stiflix |
| Model Number | 20BT |
| Product Dimensions | 10 x 2 x 2.7 inches (7.40" L x 1.97" H x 4.52" W for installation) |
| Item Weight | 1.5 pounds |
| Connectivity Technology | Auxiliary, Bluetooth, Micro SD, RCA, USB |
| Controller Type | IOS/Android App, IR Remote, Buttons, Knob |
| Audio Output Mode | Stereo |
| Output Power | 300 Watts (Max) |
| USB Charging | 2.1A Quick Charge |
| Display | Multi-color LCD with 7-color RGB buttons |
Warranty and Support
Stiflix products are designed for reliability and performance. For warranty information, technical support, or any inquiries regarding your product, please refer to the contact information provided with your purchase or visit the official Stiflix website. Keep your purchase receipt as proof of purchase for warranty claims.
For additional resources, you may also refer to the official User Manual (PDF).
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.
