Working voltage: 3 to 18 v The board size: 45 (mm) x33 (mm) Onboard TDA7266 audio power amplifier chip, double channel 7W+7W, speaker for European 4-8 5-15W use Main pin has led chips, convenient external device control, onboard 2 road, 5.08 (mm) distance between 2 p terminal, around a track connection output respectively Onboard dial potentiometer, can adjust the volume of output size Wupport for DC, terminals, pin 3 power supply input mode, the default for the DC, Package Included: 1 x DC 3 to 18V TDA7266 Power Amplifier Module Double Channel 5-15W

• 5-15 days with tracking.
• Onboard TDA7266 audio power amplifier chip, double channel 7W+7W, speaker for European 4-8 5-15W use
• Main pin has led chips, convenient external device control, onboard 2 road, 5.08 (mm) distance between 2 p terminal, around a track connection output respectively
• Working voltage: 3 to 18 v The board size: 45 (mm) x33 (mm) , Onboard dial potentiometer, can adjust the volume of output size Wupport for DC, terminals, pin 3 power supply input mode, the default for the DC,
• Package Included: 1 x DC 3 to 18V TDA7266 Power Amplifier Module Double Channel 5-15W

5-15 days with tracking.Balance World Inc