Dayton AudioDA30 2x15W Class D Bridgeable Mini Amplifier (Black) 2 x 15W power output into 4 ohms or 1 x 30W bridged output into 8 Ohms Clear, articulate hi-fi sound quality, but built for the tough requirements of commercial duty Cool-running Class D circuitry delivers high output while reducing AC line current demands Compact size makes it easy for this amp to fit almost anywhere Add a Bluetooth receiver (sold separately) for even greater control flexibility!