RDL DS-PA3 Audio Amplifier Wall Plate - 3.5WThe D SERIES PA3 is a high efficiency 3. 5 W power amplifier with two line inputs and an amplified output to drive a 4 or 8 ohm speaker. The PA3 features a balanced line level input that may be connected unbalanced. The gain range will accommodate standard unbalanced levels as well as professional balanced levels. The amplifier features a stereo Mini Jack input on the front panel. The input is designed to receive standard 10 dBV consumer level signals