The item have three chooses :
Choose 1 , silver no adapter : It's only the silver color 5.0 amplifier , not include the power supply
Choose 2 , Black no adapter : It's only the black color 5.0 amplifier , not include the power supply
Choose 3 , adapter : It's only the power supply . Not include the amplifier
Parameters
* 1. Whole machine power: 100w
2. Model: YY-GF08 Power Amplifier 50w*2
3. Power supply: DC 12-24V
(Power interface size: outer diameter 5.5mm; inner diameter 2.5mm voltage interface)
4. Impedance: 2-16 ohms (not applicable to constant voltage speakers and speakers)
5. Product size: 88*103*33mm
6. Product weight: about 0.3KG to packaging
Package Included:
1pcs 5.0 TPA3116D2 amplifier or 1pcs 19V Power Supply only