ITEM NAME:2X6W Dc 5V 3.7V Speaker Modified Stereo Bluetooth Amplifier Board Can Conne J4Y3 2X6W Dc 5V 3.7V Speaker Modified Stereo Bluetooth Amplifier Board Can Conne J4Y3 Model Number:KSY-modified 2x6W Channels:2 (2.0) Maximum Power Per Channel:10W Type:Professional Amplifier Applicable speaker impedance:4 ohms,6 ohms, 8 ohms WEIGHT:11G Current:2A Bluetooth power amplifier standby standby small stereo sound quality is better for small Bluetooth speakers use Output power 6W + 6W dual channel stereo Applicable speaker impedance: 4 ohms,6 ohms, 8 ohms (speaker impedance is too small will have the volume to open a large sound phenomenon Power supply voltage: 5VDC or 3.7-volt lithium battery (used in the battery is too long battery voltage is too low will have a little volume to open the big sound phenomenon) Supply current: enough power of 1A or more (power supply current is not enough to use the volume of the General Assembly will appear off the phenomenon) Charging interface: the use of lithium battery power supply, the charging interface 5 volts power supply or mobile phone charger can charge a single lithium battery (Charge management circuit on the battery limit the maximum voltage of 4.2VDC) Friendly reminder: When the sliding switch ON Micro-USB port is the charging port,