ITEM NAME:5532 Preamp Amplifier Board, Mini Single Power Front Panelï ¼Å’ Dc Single Power M5Z4 5532 Preamp Amplifier Board, Mini Single Power Front Panelï ¼Å’ Dc Single Power M5Z4 Maximum Power Per Channel:10W Model Number:5532 Type:Mini Amplifier Using NE5532 op amp ,With high-quality capacitors ,Colored ring precision metal film resistors. 5 times magnification, Suitable for audio use low sensitivity. DC single power supply, power range: 12-35V . Two-panel design, the effect is even better . Gold-plated op amp transposon easy replaceable better op amp IC . board size 40X50MM , highest 16MM . colour:blue Material:Metal + PC Package Contents: 1 * preamp amplifier board.Type:Mini Amplifier. board size 40X50MM, highest 16MM.