United Heavy ADpak

XLN Audio's United Heavy ADpak represents a carefully curated drum sound designed specifically for hard rock and metal production. Built around a Pork Pie USA Custom kit recorded at United Recording's legendary Studio B in Hollywood, this expansion captures the aggressive character and punch required in heavy music genres where drums must cut through dense guitar arrangements.

The kit's sonic signature centers on a pair of 22x18" and 24x18" kick drums that deliver substantial low-end presence without sacrificing articulation. The dual snare approach - pairing a full-bodied Pork Pie bell brass snare with a rare Zildjian alloy option - provides versatility in tone, from bright and cutting to dark and focused. Four tom sizes covering the 10" to 18" range offer natural frequency spacing that works well across both fast double-bass passages and slower, impact-driven sections.

The cymbal selection, anchored by Zildjian Quick Beat hihats and a 22" Ping ride, maintains clarity even in dense mixes. The included crash cymbals range from bright mediums to the darker Oriental Classic china, allowing producers to craft nuanced cymbal palettes without reaching for additional samples.

What distinguishes United Heavy is its recording environment. The Studio B acoustics impart a professional, controlled character that differs notably from other heavy drum libraries emphasizing room resonance. The included presets, developed by professional mixing engineers, arrive production-ready, though the underlying samples are flexible enough for detailed customization.

This ADpak suits engineers and producers working in metal, hard rock, and aggressive electronic music who require drums with immediate impact and transparent sonic character.