TinySine Tin-8305

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User Manual

RCA Input Bluetooth Audio Receiver Board

Model: Tin-8305 | Brand: TinySine

Product Overview

This Bluetooth Music Receiver connects to the RCA input on your home audio system. It allows you to stream audio wirelessly from your Bluetooth-enabled cell phone or MP3 player to your home audio system, providing the convenience of controlling your music source from your device.

Key features include:

Wireless Bluetooth Audio Receiver: Connects to smartphones and other Bluetooth-enabled devices for wireless audio playback.
RCA Inputs: Accepts RCA line-level audio signals for connection to external amplifiers or speakers.
Compact Size: Slim 2.2 x 1.3 x 0.59 inch (56 x 33 x 15 mm) form factor fits in tight spaces.
Stereo Audio Output: Converts Bluetooth audio signals into stereo RCA line-level output for connection to speakers.
Bluetooth 5.0: Supports the latest Bluetooth wireless technology for fast and reliable connections.

Setup Instructions

Power Connection: Connect a Micro USB cable (not included) to the Micro USB female port on the receiver board. Connect the other end of the USB cable to any standard 5VDC USB power source (e.g., USB wall adapter, computer USB port, or USB power bank).
An angled view of the TinySine Bluetooth Audio Receiver Board, showing the black circuit board with integrated components and the white and red RCA output jacks on the left side. The micro USB power input is located on the opposite side of the RCA outputs.
Audio Connection: Use an RCA audio cable (not included) to connect the white (left channel) and red (right channel) RCA output jacks on the receiver board to the corresponding RCA input jacks on your home audio amplifier, receiver, or powered speakers. Ensure the connections are secure.
Bluetooth Pairing:
- Once powered on, the receiver will automatically enter Bluetooth pairing mode.
- On your Bluetooth-enabled device (smartphone, tablet, MP3 player), go to the Bluetooth settings.
- Scan for available devices. The receiver should appear as "USB Speaker" or a similar name.
- Select the receiver from the list to pair. A confirmation sound or indicator light on the board (if present) may signify successful pairing.
- The effective transmission distance is approximately 10-15 meters (33-49 feet) in an open environment.

Operating Instructions

After successful pairing, you can begin streaming audio from your device to your connected audio system.

Audio Playback: Play any audio content (music, podcasts, videos) on your paired Bluetooth device. The audio will be transmitted wirelessly to the receiver board and output through your connected amplifier/speakers.
Volume Control: Adjust the volume directly from your paired Bluetooth device or using the volume controls on your connected audio system.
Switching Devices: To connect a different Bluetooth device, disconnect the currently paired device from its Bluetooth settings. The receiver will then become available for pairing with a new device.

Maintenance

To ensure the longevity and optimal performance of your Bluetooth audio receiver board, follow these simple maintenance guidelines:

Cleaning: Gently wipe the board with a dry, soft cloth to remove dust. Do not use liquid cleaners or solvents.
Environment: Keep the device in a dry environment, away from moisture, extreme temperatures, and direct sunlight.
Handling: Handle the board with care to avoid damaging the electronic components or connectors. Avoid placing it near metal objects that could cause short circuits.
Power Off: If not in use for an extended period, disconnect the power supply.

Troubleshooting

Problem	Possible Cause	Solution
No sound output.	No power to the receiver. RCA cables not connected correctly. Bluetooth device not paired or connected. Incorrect input selected on amplifier/receiver. Volume too low on device or amplifier.	Ensure Micro USB power is connected and active (5VDC). Verify RCA cables are securely connected to both the receiver and your audio system's input. Check Bluetooth settings on your device; ensure it's paired and connected to "USB Speaker". Select the correct input source (e.g., AUX, CD, LINE IN) on your amplifier/receiver. Increase volume on both your Bluetooth device and the audio system.
Poor sound quality, static, or noise.	Device too far from receiver. Interference from other electronic devices. Ground loop issues. Low quality audio source.	Move your Bluetooth device closer to the receiver (within 10-15m). Move the receiver away from other wireless devices (Wi-Fi routers, cordless phones). Consider using a ground loop isolator if noise persists, especially in car audio setups. Ensure the audio source on your device is of good quality.
Cannot pair Bluetooth device.	Receiver not in pairing mode. Device already paired to another receiver. Bluetooth on device is off.	Ensure the receiver is powered on. Disconnect the receiver from any previously paired devices. Turn Bluetooth off and on again on your device, then rescan.

Specifications

Model Number	Tin-8305
Bluetooth Version	Bluetooth 5.0 (backward compatible with 4.0)
Audio Output	Stereo RCA Line-Level
Effective Transmission Distance	10-15 meters (33-49 feet)
Power Input	Micro USB, 5VDC
Compatible Devices	Smartphones, Tablets, MP3 Players, Speakers (Bluetooth-enabled)
Connector Type	RCA, USB
Hardware Interface	USB
Output Wattage	1 Watts
Media Format	WMA
Product Dimensions (L x W x H)	2.2 x 1.3 x 0.59 inches (56 x 33 x 15 mm)
Item Weight	6.4 ounces

Warranty and Support

Specific warranty details for this product are not provided in this manual. Please refer to the product packaging, the seller's website, or contact the manufacturer directly for warranty information.

For technical support or further assistance, please contact the seller or manufacturer through the platform where the product was purchased. Provide your model number (Tin-8305) and a detailed description of your issue for efficient support.

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