Lot of (5) Radio Design Labs ST Stick-On modules plus RDL Power Supply.

Contains the following modules:

(2) ST-ACR2 Audio Controlled Relays

(1) ST-GCA2 Fast Gain Control Amplifier

(1) STA-1M Universal Mono Line Amp

(1) ST-DA3 Audio Distribution Amplifier

Plus (1) Radio Design Labs power supply

Shipped with USPS Priority shipping