Sumpressor CUSTOM
FCPRO.AUDIO — ANALOG STUDIO GEAR
SUMPRESSOR
CUSTOM
Analog Summing Master Compressor & Performance Tool
The Sumpressor Custom is an analog master compressor designed as the final stage in your audio chain. It tightens, shapes, and powers up your sound — instant and intuitive control, in the studio and on stage.
100% ANALOG SIGNAL PATH HAND-ASSEMBLED · FCPRO.AUDIO
WHY CUSTOM
Your Sumpressor, built exactly the way you want it.
Every Sumpressor Custom is hand-assembled to order: choose the features, the inputs, the panel color and the side cheeks. No two units are alike — because no two setups are.
Two formats. One character.
TRANSFORMER DI AUX INPUTS 1–3 BLACK / SILVER / GOLD PANEL WOODEN SIDE CHEEKS EXTERNAL SIDE CHAIN DESKTOP OR RACK 3U
Two formats — one instrument
FORMAT 1
Desktop
Compact tabletop format, designed to sit on your desk or on top of your mixer. Built for the studio, the DJ booth, and the control room.
• 2 stereo AUX (optional)
• Transformer DI (optional)
• Black / silver / gold panel
• Wooden side cheeks (optional)
• Transformer DI (optional)
• Black / silver / gold panel
• Wooden side cheeks (optional)
FORMAT 2
Rack 3U
Standard 19" rack mount — designed for fixed installations, touring, broadcast and structured professional setups.
• 1 to 3 summing AUX with volume
• Transformer DI (optional)
• Side Chain jack input
• Black / silver / gold panel
• Transformer DI (optional)
• Side Chain jack input
• Black / silver / gold panel
Configure yours · Desktop
Desktop version — available options
Every option is independent: build the perfect combination for your setup.
Transformer DI
XLR output with custom transformer for a clean, isolated professional signal. Choose to have it or not.
WITH DI WITHOUT DI
Summing AUX
2 stereo AUX inputs on the front panel to sum multiple sources. Also available without AUX for a more streamlined setup.
WITH 2 AUX WITHOUT AUX
Panel color
Default look: black panel with white lettering. Variants available on request.
BLACK
SILVER
GOLD
Side cheeks
Solid wood side cheeks for a vintage studio look — or without, for a cleaner profile.
WOOD
WITHOUT
Configure yours · Rack 3U
Rack 3U version — available options
Structured professional setups: choose the inputs, the circuit and the look of your rack.
Summing AUX
Stereo AUX inputs on the front panel with dedicated volume control for each. Choose how many you need.
1 AUX 2 AUX 3 AUX
Transformer DI
XLR output with custom transformer. Optional in the rack version too.
WITH DI WITHOUT DI
External Side Chain input
Dedicated jack for external sidechain signal: control the compression from a separate source (kick, click, etc.).
JACK SC IN
Panel color
Black base. Silver and gold variants available on request.
BLACK
SILVER
GOLD
4 devices in one
01
Master Compressor
Analog compression with 4 presets + USER mode. 10-LED metering on input, compression, and output.
02
Summing Mixer
Stereo inputs summed through the analog signal path. In Mixer Mode: balanced stereo summing unit.
03
Active DI
DI on the main XLR output, switchable on demand. Custom transformer for a clean, isolated signal.
04
Utility Output
Independent balanced TRS with dedicated volume — monitors, recorders, parallel signal paths.
Key features
→
Input, Action, Output — control over all stages with 10-LED metering.
→
4 presets + USER — MASTER, INSTRUMENT, DJ, HARD and full manual mode.
→
Sidechain Filter — selectable high-pass: 200 / 120 / 90 / 60 Hz.
→
Mixer Mode — bypass compression: balanced stereo summing mixer.
→
Custom transformer DI — the same build philosophy as the FCPro Live Tools.
→
100% analog — no conversion, no latency.
One panel, every control
Auxiliary inputs, USER section with attack, release, ratio and sidechain filter — everything at your fingertips, designed to be tweaked on the fly.
Presets & modes
PRESET 1
MASTER
Transparent compression for the master bus
PRESET 2
INSTRUMENT
For live sets and jam sessions
PRESET 3
DJ
Fast response, live/mix use
PRESET 4
HARD
Punchy, aggressive compression
USER
Manual mode — freely set attack, release and ratio
Technical specifications
TYPE
Analog master compressor
FORMATS
Desktop / Rack 3U
INPUTS
Up to 4 stereo (front TRS + rear XLR)
MAIN OUTPUT
Balanced XLR — transformer DI (opt.)
UTILITY OUT
Electronically balanced TRS
METERING
10 LED — input, action, output
SIDECHAIN FILTER
200 / 120 / 90 / 60 Hz
SIDE CHAIN IN
External jack (Rack 3U)
PRESET
4 optimized + USER mode
MIXER MODE
Yes — compression bypass
SIGNAL PATH
100% analog
PANEL
Black / Silver / Gold
Estimated delivery within 30 working days from order confirmation.
Hand-assembled and individually tested by FCPro Audio before shipment.
MADE TO ORDER