DROK Bluetooth Audio Amplifier Bluetooth Stereo 2.0 Channel Audio Receiver High-power 30W*2 Suitable for 6.5-inch or 6.5-inch below the Speakers,Bookshelf Stereo&DIY Audio Enthusiasts Modified Speakers

Product description:
Amplifier type: AV amplifier
Channel: 2 channel
Weight: 0.154kg
Resistance: 4ohm
Dimension: 78*70*38cm
Input voltage: 12V-24V
Input current: at least 2.5A
Bluetooth connecting distance: within 10 meter
Bluetooth standard: Bluetooth 4.0+EDR
Headset power: 105mW*2
Speaker output power: 30W*2
Power input: DC 12V-24V 3A--4A

How to use:
Power on the amplifier
Use smart phone/notebook product with Bluetooth function
Searching "F900 Music Play" Bluetooth, click connecting, if hint PIN pls enter 0000, after connecting then can play wireless music
Bluetooth indicator condition, blue light twinkle, means Bluetooth not connect, if indicator light for long period then twinkle means connect succeed

Note:
Connect the speakers, please use 12V power supply; Connect the headset, please use 5V power supply; Recommend speaker power is 10W to 120W.
Bluetooth not connect succeed: power off it and restart again
Amplifier no sound: check whether volume normal, confirm insert DC 12V-24V power
Aux audio input no sound: only can use 3.5mm audio signal cable
IBM(Lenovo) PC cannot connect the Bluetooth with this amplifier, need to download the bluetooth driver then connect Bluetooth device, click>> Control Panel, find the "Sound" option, setting Bluetooth as the default device.