4B Gold Sealed Tube High Power Pure Rear Stage Class A and B Amplifier Board

Model 4B Gold Sealed Tube Pure Rear Stage Amplifier Board

Power parameters: Single channel DC+-55V

(Communication: Transformer 400W dual 40V, rectifier board needs to be added)

Power Class A and B 350W+350W

Speaker impedance 4-80

Size 130 * 320MM (including corner aluminum)

Weight 1.2KG+1.2KG