Warm Audio WA-1B All-Tube Transformer-Balanced Optical Compressor 100193945 metal housings and is powered

metal housings and is powered by two AA batteries

1pc bottom male bracket

Y: (1) red LED

Since they're so comfortable

Power supply: 2 x AAA

Warm Audio WA-1B All-Tube Transformer-Balanced Optical Compressor 100193945 metal housings and is poweredWarm Audio WA 1B All Tube Transformer Balanced Optical Compressor ACCURATELY RECREATING WORLD CLASS SCANDINAVIAN COMPRESSION COMBINING SMOOTH TUBE OPTICAL WARMTH WITH PRECISION CONTROLS Legendary Compression At Your Fingertips The WA 1B accurately recreates world class Scandinavian compression combining smooth tube optical warmth with precision controls. Like its original inspiration favored by producers and engineers from Chris Lord Alge to Rick