Iceberg Audio has announced the release of a free expansion pack for The Sub, a virtual instrument designed for sub bass.

Created using vintage analog gear, Submarine 2 includes 4 new subs by The Golden Army: Clip, Highlighter, Pencil and Ruler.

The Sub is a refined instrument that delivers perfect sub bass. Apply one of the 50+ finely tuned sounds to your track and shape with ADSR, drive and extra attack. Perfect sub bass every time.

The new expansion is free to download by opening “Expansion Packs” in The Sub and clicking “Install”.

The Sub is currently on sale for $39 USD at Plugin Boutique (regular $59 USD).