Irvin Varela, professionally known as IV. engineer, is a Los Angeles–based music recording and mixing engineer known for shaping hard-hitting, authentic records that capture the raw energy of today’s hip-hop and street sound. With a sharp ear for detail and a deep understanding of artist vision, IV. has built a reputation for delivering polished, radio-ready mixes while preserving the emotion and grit that make each track stand out.

Over the years, IV. engineer has worked alongside Grammy Award-winning and nationally recognized artists including AzChike, Peysoh, Lefty Gunplay, BigSad 1900, and a growing roster of emerging talent. His sessions are known for their efficient workflow, creative direction, and ability to make artists feel comfortable enough to perform at their highest level.

Operating out of two professional studio locations in Downtown Los Angeles and Hollywood, IV. provides artists with flexible, high-quality recording environments in the heart of the city’s music scene. Both spaces are designed to foster creativity, comfort, and top-tier sound, making them ideal for everything from single sessions to full-scale projects.

Specializing in recording, mixing, vocal production, and studio engineering, IV. blends technical precision with creative instinct — whether crafting crisp vocals, knocking drums, or full, immersive soundscapes. His goal is simple: help every artist sound like the best version of themselves.

With a commitment to quality and a passion for West Coast culture, IV. engineer continues to push his sound forward, building records that resonate in the streets, the clubs, and beyond.