The sound of a mix coming together — that satisfying sense of glue, punch, and cohesion — is what the Warm Audio BUS-COMP is built to deliver. Inspired by the legendary SSL bus compressor that defined the sound of countless hit records, the BUS-COMP brings classic VCA compression to your studio at a price that makes it a no-brainer for serious engineers.

At the heart of the BUS-COMP are THAT 2180 VCA ICs, the same chips trusted by professional hardware manufacturers for their transparency and reliability. What sets the BUS-COMP apart is its switchable CineMag USA transformer stage — engage it for warm, colorful character, or bypass it for clean, transparent compression. A selectable high-pass filter (30, 60, 105, 125, and 185 Hz) keeps low-frequency content out of the sidechain for tighter, more musical compression on bass-heavy material. An external sidechain input and a prominent bypass/engage switch round out a feature set that punches well above its price point.

Whether you're gluing a stereo mix, taming drum overheads, or adding presence to acoustic instruments, the BUS-COMP handles it all with authority.

Warm Audio BUS-COMP Features

• All-analog 2-channel stereo VCA compressor
• Inspired by the classic SSL bus compressor circuit
• THAT 2180 VCA ICs for transparent, reliable gain reduction
• Switchable CineMag USA transformer — transparent or colored
• Selectable high-pass filter: 30, 60, 105, 125, 185 Hz
• External sidechain input
• Bypass/engage switch for easy A/B comparisons
• XLR and 1/4" TRS inputs and outputs
• Mono-compatible — works on stereo and mono sources

Ideal Applications

• Stereo bus / mix bus
• Drum bus and overheads
• Acoustic guitar and keyboards
• Piano and orchestral instruments
• Voiceover and broadcast

Tech Specs Type Stereo VCA Bus Compressor Channels 2 (stereo linked) VCA THAT 2180 Transformer Switchable CineMag USA Sidechain HPF 30, 60, 105, 125, 185 Hz (selectable) Sidechain Input External (selectable) Inputs XLR + 1/4" TRS (balanced) Outputs XLR + 1/4" TRS (balanced) UPC 860001767964 In the Box

• Warm Audio BUS-COMP 2-Channel VCA Bus Compressor
• Limited 5-Year Manufacturer Warranty