The Warm Audio BUS-COMP is a classic VCA bus compressor, one made famous by companies such as Solid-State Logic. This is a clean, stereo compressor, one quite suited to handling the dynamics of stereo instruments. It's also handy for stereo-buss work, imparting the sonic glue VCA compressors are known for. The Studio Sound of Radio-Ready Mixes The BUS-COMP truly reproduces the signature sound of “big-console” mixes from the most prized large format solid-state boards. Like the original mix bus compressors found inside lauded consoles, BUS-COMP delivers accurate stereo compression with selectable analog color, favored by artists like Dr. Dre, Eminem, Bon Jovi, Mariah Carey and many more. Stereo Console-Grade Compression on Any Source Like the original, BUS-COMP adds the “glue” that is so sought after in professional recordings. Critical features include the ability to remove unruly bass in compression via the HPF knob, engage transformers to add more analog color, and an A/B switch to hear the compressor’s impact on your work. These controls combined with a 100% analog signal path and premium components instantly upgrade your final mixes and stereo bus processing Product Specifications: Connections: 1 x XLR Sidechain Input 2 x XLR Inputs 2 x 1/4" TRS Inputs 2 x XLR Outputs 2 x 1/4" TRS Outputs Compressor Character: VCA VCA: THAT 2180 ICs Controls: Threshold Knob Attack Knob Ratio Knob Release Knob High-Pass Filter Knob Make-Up Gain Knob Compressor/Bypass Switch External Sidechain Switch Transformer Engage Switch High-Pass Filter: At 30, 60, 105, 125, and 185 Hz Noise: < -90 dBu Headroom: > +29 dBu (20 Hz to 20 kHz) Dynamic Range: > 120 dB Frequency Response: 18 Hz to 22 kHz THD + N: < 0.05% (20 Hz to 20 kHz, +20 dBu Input) Impedance: Input: 10 Kilohms Output: 50 Ohms Shipping Weight: 10.18 lbs. Shipping Dimensions (LxWxH): 24.4 x 14 x 4.1"