Radio Design Labs RDL Stick-On Series ST-VP2 Automatic Ducking Module

One Genuine RDL STVP2 STICK-ON Automatic Ducking Module

Radio - RDL ST-UBA2 Stick-On 2 Channel Unbalanced to Balanced Amplifier (NEW)

RDL FP-PA20A - 20w 70v Mono Amplifier - New old stock

RDL / Radio Design Labs STA-1M Miniature Stick-On Mono Line Amplifier - NOS

RDL Radio Design Labs ST-CL1 Compressor

RDL STVP2 Automatic Ducking Module

RDL ST-PA6 6 watt RMS mono audio amplifier