SA-150: 150W 4ohm with DSP function.

SA-200: 200W 4ohm with DSP function.

SA-350: 350W 4ohm with DSP function.

Features:

1. Class D Subwoofer Ampliier with switching power supply.

2 Built in DSP, controlled by "iWoofer" App.

3 Variable Volume & Low Pass Frequency Control

4. DSP APP/ Phase/ Auto On,Off Control

5. Provide Low Level In/Out

6. Provide High Level In/Out for SA-200, SA-350 only.

7. Auto Off time: 15 min.