1. Introduction
This manual provides comprehensive instructions for the Esinkin Bluetooth Receiver, model A201-ESK003. This device enables wireless audio streaming from Bluetooth-enabled devices to your home stereo system or stand-alone speakers. It features Bluetooth 4.0 connectivity and NFC for quick pairing, delivering high-definition audio. Please read this manual thoroughly before use to ensure proper operation and to maximize your listening experience.
Figure 1: Esinkin Bluetooth Receiver A201-ESK003
The Esinkin Bluetooth Receiver is a compact device designed to add wireless audio capabilities to existing stereo systems.
2. Package Contents
Verify that all items listed below are included in your package. If any items are missing or damaged, please contact customer support.
- Esinkin Bluetooth Receiver (Model A201-ESK003)
- RCA-AUX Audio Cable
- Power Adapter
- User Manual
Figure 2: Included Accessories
This image displays the Esinkin Bluetooth Receiver, AUX-RCA audio cable, power charger, and user guide packaging.
3. Product Features
- Bluetooth V4.0: Ensures stable and efficient wireless connection.
- CSR Chip: Built-in for enhanced audio performance.
- Extended Range: Connection range up to 50 feet (15 meters).
- Multi-Device Pairing: Stores up to 8 paired devices for convenience.
- NFC-Enabled: Quick pairing with compatible NFC devices.
- Universal Compatibility: Connects to any stereo system with a standard 3.5mm AUX or RCA jack.
- Compact Design: Button-less design with an LED indicator for connection status.
4. Setup Instructions
- Connect Power: Plug the power adapter into the receiver's power interface and then into a wall outlet. The LED indicator on the receiver will illuminate.
- Connect to Audio System:
- Using RCA Cable: Connect one end of the RCA-AUX audio cable to the RCA output ports (red and white) on the receiver. Connect the other end to the corresponding RCA input ports on your home stereo system or amplifier.
- Using 3.5mm AUX Cable: If your audio system has a 3.5mm AUX input, connect the 3.5mm end of the RCA-AUX cable to the AUX output on the receiver, and the other end to your audio system's AUX input.
- Select Input: On your stereo system, select the input source (e.g., AUX, CD, Line In) that corresponds to where you connected the Esinkin Bluetooth Receiver.
Figure 3: Rear Panel Connections
This image illustrates the RCA, AUX, and power interface ports on the back of the Esinkin Bluetooth Receiver, showing how to connect to an audio system.
Figure 4: Receiver Integrated with Home Stereo
The Esinkin Bluetooth Receiver is shown positioned on top of a home stereo receiver, ready to stream music wirelessly.
5. Operating Instructions
5.1 Bluetooth Pairing
- Ensure the Esinkin Bluetooth Receiver is powered on and connected to your audio system. The LED indicator will be flashing, indicating it is in pairing mode.
- On your Bluetooth-enabled device (smartphone, tablet, PC), go to the Bluetooth settings menu.
- Enable Bluetooth and scan for available devices.
- Select "Esinkin" from the list of found devices.
- Once paired, the LED indicator on the receiver will turn solid blue, and you will hear a confirmation tone.
- You can now stream audio from your device to your stereo system.
5.2 NFC Pairing (for NFC-enabled devices)
- Ensure NFC is enabled on your smartphone or tablet.
- Gently tap your NFC-enabled device on the "NFC" area of the Esinkin Bluetooth Receiver.
- Your device will prompt you to confirm the connection. Accept the pairing request.
- The receiver will connect instantly, and the LED indicator will turn solid blue.
Figure 5: Connection Methods
This diagram illustrates Bluetooth, RCA, AUX, and NFC connection methods for the Esinkin Bluetooth Receiver.
Figure 6: NFC Pairing in Action
A smartphone is shown tapping the Esinkin Bluetooth Receiver for instant NFC pairing, enabling wireless music playback.
5.3 Reconnecting Devices
The Esinkin Bluetooth Receiver can store up to 8 paired devices. When powered on, it will automatically attempt to reconnect to the last paired device. If the last device is not available, it will enter pairing mode, indicated by a flashing LED, allowing a new or previously paired device to connect.
Figure 7: Wireless Audio System Integration
This diagram illustrates how the Esinkin Bluetooth Receiver connects various Bluetooth-enabled devices (phone, tablet, laptop) to a stereo sound system and speakers.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound from speakers. |
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| Cannot pair with device. |
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| Audio cuts out or is distorted. |
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| LED indicator flashes constantly when no device is connected. | This is normal behavior. The flashing LED indicates the receiver is in pairing mode, awaiting a connection. | No action required. This is the intended operational state when not actively connected. |
7. Specifications
| Model Number | A201-ESK003 |
| Bluetooth Version | 4.0 |
| Connectivity Technology | Auxiliary, Bluetooth, NFC, RCA |
| Wireless Range | Up to 50 feet (15 meters) |
| Audio Output Mode | Stereo |
| Compatible Devices | Speakers, Smartphones, Tablets, Personal Computers |
| Product Dimensions | 4.3 x 4.3 x 1 inches |
| Item Weight | 5 ounces |
| Color | Black |
Figure 8: Model and Certification Details
The underside of the Esinkin Bluetooth Receiver displays its model number (A201), FCC ID, IC, HVIN, and other regulatory information.
8. Maintenance
To ensure the longevity and optimal performance of your Esinkin Bluetooth Receiver, follow these maintenance guidelines:
- Cleaning: Wipe the device with a soft, dry cloth. Do not use liquid cleaners or abrasive materials.
- Storage: Store the receiver in a cool, dry place away from direct sunlight and extreme temperatures.
- Handling: Avoid dropping the device or subjecting it to strong impacts.
- Moisture: Keep the device away from water and high humidity.
9. Warranty and Support
The Esinkin Bluetooth Receiver A201-ESK003 comes with a 24-month warranty from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use.
For technical support, warranty claims, or any questions regarding your product, please refer to the contact information provided on the Esinkin official website or your purchase documentation.
