Specification: Material: Pcb Bluetooth: 5.0 Voltage: 3.7V-5V Current: 1.5A-2A Pcba Size: Approx. 40 * 34 * 9Cm / 15.75 * 13.39 * 3.54In (Including Terminal) Package Weight: Approx. 40 G Package List: 1 * Power Amplifier Board 1 * Cable Selection Criteria: 1. Power Requirements: Voltage Dc Dc Voltage 3.7V-5V, Voltage Can Not Be Higher Than 5V; Current 1.5A-2A; (Specially Reminded That If Using 3.7V Lithium Battery, Please Ensure That Lithium Battery And Discharge Can Reach 1.5A, Some Lithium Battery Has Voltage But Current Is Not Please Use With Caution If It Is Stable Or Does Not Meet The Requirements; Otherwise It Will Always Restart Or The Sound Quality Is Not Good, Such As Broken Sound/Distortion. Speaker Requirements: (Satellite) Left And Right Channel Sub-Box Speaker: Select 4 Ohm (O)/5W*2 Full-Range Speaker (Special Reminder If You Use 3.7V Lithium Battery, Please Ensure That Lithium Battery And Discharge Can Reach 1.5A, Some Lithium Battery Has Voltage But Current Is Unstable Please Use Caution If You Cant Meet The Requirements; Please Choose 4 Ohms (O) / 3W * 2 For The Speakers. 2. 3P Socket Out Audio Output: If You Need To Connect Other Power Amplifiers Can Be Connected From Here (Intermediate Audio Ground, Left And Right Are L And R Respectively. Bluetooth Connection: The Mobile Phone Starts Bluetooth Detection From The Setup Menu, So That The Mobile Phone Is Detected By The Device, And Then Goes To The Bluetooth Menu - Search For The Device Or The Paired Device. After Searching (Ymx-868Bt) Touch Pairing, It Also Hears Connected Successfully Or Prompts To Complete The Pairing; Note: It Is Not The Smartphone (Android System) To Enter The Password -0000; The Product Bluetooth Device Name Ymx-868Bt.
⚠️ WARNING (California Proposition 65): This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, please visit www.P65Warnings.ca.gov.
Frequently Asked Questions
Q: What are the dimensions of the amplifier board?A: The amplifier board measures approximately fifteen point seventy-five inches by thirteen point thirty-nine inches by three point fifty-four inches.
Q: What materials is the amplifier board made from?A: The amplifier board is made from a printed circuit board, ensuring durability and functionality.
Q: What voltage does the amplifier board operate on?A: The amplifier board operates on a direct current voltage of three point seven to five volts.
Q: How do I connect my phone to the amplifier?A: To connect your phone, enable Bluetooth detection on your mobile device and search for YMX-868BT to pair.
Q: Is this amplifier suitable for external speakers?A: Yes, this amplifier can connect to external speakers with a four ohm impedance for optimal performance.
Q: Can I use a lithium battery with this amplifier?A: Yes, you can use a lithium battery, but ensure it can discharge at one point five amps for stable operation.
Q: How do I keep the amplifier in good condition?A: To maintain the amplifier, avoid exposing it to high voltage and ensure proper ventilation during use.
Q: What is the maximum power output of the amplifier?A: The maximum power output can be configured to reach ten watts, which is five watts per channel.
Q: What should I do if the amplifier does not turn on?A: If the amplifier does not turn on, check the power supply and ensure that the current is between one point five and two amps.
Q: Is there a warranty on the amplifier board?A: Yes, the amplifier board typically comes with a manufacturer warranty; please check the specific details upon purchase.
Q: What type of speakers can I use with this amplifier?A: You can use four ohm, five watt full-range speakers for the best audio performance.
Q: How should I charge the lithium battery?A: Charge the lithium battery by connecting it to the red power socket, indicated by a red light during charging.
Q: Can I use the amplifier for hands-free calls?A: Yes, the amplifier is designed for hands-free calling, allowing you to use external buttons for convenience.
Q: What if the Bluetooth connection fails?A: If the Bluetooth connection fails, ensure that your device is in pairing mode and try again, checking for interference.
Q: How heavy is the amplifier board?A: The amplifier board weighs approximately forty grams, making it lightweight and easy to handle.