Instructions: 1. Input DC voltage: DC4.5V-26V (24V is recommended)2. Connect the DC voltage supply (positive pole to VCC, negative pole to GND).3. Audio input, 3.5 mm audio port input, or right channel to IN-R, left channel to IN-L, and ground wire to GND.4. Output R+R- and L+L- .Product Features:Dual channelMagnification: Class DLaunched by Tl Working frequency 1.2kHzStereo: Yes, dual channelInput reverse connection protection: YesOvervoltage/low pressure protection: YesAppearance size: 78×51.5×22.5mm (3.07×2.03×0.89inch)Package contains:2 pcs TPA3116D2 Class D Stereo
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