Parts Express Speaker L-Pad Attenuator 100W Mono 3/8" Shaft 8 Ohm
L-pads adjust the relative volume of drivers connected to them by placing added resistance in series and parallel, keeping impedance a constant 8 ohm load. This L-pad is rated at 100 watts RMS, is designed to be used with 8 ohm loads, features a 3/8" shaft length, and comes with mounting hardware.