Kramer Electronics WAP-1 WAP-1 is a high performance power amplifier for line level unbalanced stereo audio signals. It delivers a speaker output of 9 watts RMS per channel into a 4 ohm load. Front Panel Connections - Dual 3.5mm inputs for inputs 1 and 2. Rear Panel Connections - Terminal blocks for secondary input (input 1) and terminal blocks for two speakers outputs. Control - Level (volume). Wall Plate - single gang