| Wire Color | Function | Terminal | | :--- | :--- | :--- | | | VCC (5V–12V DC) | Power + | | Black | GND (Ground) | Power - | | Green | L+ (Left Speaker Positive) | Audio Out | | White | R+ (Right Speaker Positive) | Audio Out | | Blue | AUX Detect / ANT (Antenna) | Signal |
Loud buzzing noise (Ground loop). Solution: This is common in cars. Use a "Ground Loop Isolator" (cheap filter from Amazon) between the BT 5908 and the AUX cable. 7. Frequently Asked Questions (FAQ) Q: Is the Jie Rui BT 5908 waterproof? A: No. The manual explicitly states "Indoor / Dry location use only." Do not install it in a boat cockpit or motorcycle handlebar without a waterproof case. jie rui bt 5908 manual kit pdf
Jie Rui (often stylized as JIERUI) is a prominent OEM manufacturer in the automotive and industrial electronics space. The model is widely recognized as a versatile Bluetooth receiver, MP3 decoder board, or car hands-free kit. However, finding the original documentation can feel like a treasure hunt due to the brand's generic packaging. | Wire Color | Function | Terminal |
A: There is no reset button. To factory reset: Turn off the device. Press and hold the "Play/Pause" button while plugging in the power. Hold for 10 seconds. All paired devices will clear. The manual explicitly states "Indoor / Dry location use only
If you’ve landed on this page, chances are you are holding a Jie Rui BT 5908 device, or you’ve just received a box labeled "Kit" without clear instructions. You need the Jie Rui BT 5908 manual kit PDF to get started. You are not alone.
Device powers on, but no sound. Solution: Check the "Mute" button on the IR remote. Also, verify the audio output jumper on the board is set to "DAC" not "Line out."