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Stereo Bluetooth Receiver Amplifier Board Lithium Battery Powered For Speakers
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Shipping: United Kingdom: £1.00 (more destinations)
Condition: Brand new
DC 5V 3.7V 6W + 6W Stereo Bluetooth Receiver Amplifier Board Lithium Battery Powered For Speakers loudspeaker box modified Ship to worldwide via post air mail with tracking number. Product model: HF69B Bluetooth power amplifier board: Small standby heating, good-quality stereo, suitable for small bluetooth speakers.Output power: 6W + 6WStereo: Dual channel stereoApplicable speaker impedance: 6 ohms, 8 ohms (if the horn impedance is too small, there will be a phenomenon of amplify volume then staccato)Supply voltage: 5V DC or 3.7V lithium battery (during using, if the connector cable is too long or the battery is dead or the voltage is too low, the volume will be slightly up then staccato)Supply current: >1A (if the current is too small, turn up the volume, it will appear staccato phenomenon)Charging interface: When charging interface is powered by the lithium battery, the supply voltage is 5V. And mobile phone charger can charge a single lithium battery (the maximum limitation voltage for battery is 4.2VDC by the charging management circuit).Bluetooth interface model: PH2.0 2P Battery interface model: 2.54 2P Note:1. When the wiper switch is ON, the Micro USB port is the charging port, it will work if powered by the lithium battery. When the wiper switch is OFF, the Micro USB port is the power supply port, it doesn’t need to connect with lithium battery.2. If turn up the volume during using, the horn will appear staccato phenomenon, please check the power supply. If the output current of power supply is not enough, the intermittent sound will occur. Package included:1 x HF69B Bluetooth power amplifier board SHIPPING1. Ship to worldwide. If send by post air mail usually to Europe within 15 days after sent out. 2. Orders processed within 24-48 hours of payment verification.3. The images shown are the actual item and photographed by myself. 4. SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit times may vary, particularly during the holiday season.5. If you have not received your shipment within 30 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is customer satisfaction! PAYMENTS1. Payment must be made within 4 days of product closing. (Non-payment may result in a UPI (Unpaid Item) being put on your account. .









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