The DTA100-LF is a stylish desktop amplifier designed by Dayton Audio specifically for low-frequency application. This low profile amplifier features an ultra-stable DC power supply and optimally designed Class-D circuit topology to give you 100 watts at 4 ohms. Use the three built-in filters to optimize the output and power your drivers to their full capability. After dialing in your tone, the DTA-100LF even manages its own power state with the auto-on feature to function as a true set-and-forget unit!