Behringer U-Phoria UMC1820
Behringer·Model UMC1820·behringer-umc1820
Photos
Manufacturer product photography — the drawn faceplate above stays true to panel layout; these show the hardware itself.
About the Behringer UMC1820
The Behringer U-Phoria UMC1820 is the budget workhorse of rack interfaces: eight Midas-designed mic preampsThe gain stage that lifts a mic’s tiny signal up to line level — the first thing a signal hits, and a big part of how a console sounds., 18x20 total I/O with ADATOptical digital audio: 8 channels at 48 kHz down one Toslink lightpipe (4 at 96 kHz). The usual way to add more channels to an interface. expansion, and MIDI, for around what one boutique preamp channel costs. It is the pragmatic pick for a first playback or recording rack where channel count matters more than pedigree. The most-searched interface the catalog was missing.
The UMC1820 is a USB audio interface that earns its rack unitThe standard slice of rack height: 1U = 1.75″. A 3U box takes three slices; half-rack gear pairs two units side by side in one. by doing a lot of work for very little money. Eight combo XLRThe standard 3-pin locking connector for mics and balanced line signals — pin 1 is the shield, pins 2 and 3 carry the balanced pair./TRSTip-Ring-Sleeve — a 1/4″ jack with three contacts carrying a balanced signal or a stereo pair. A guitar plug with one extra ring. inputs with Midas-designed preampsThe gain stage that lifts a mic’s tiny signal up to line level — the first thing a signal hits, and a big part of how a console sounds. feed a USB 2.0 connection, and eight balancedCarries the signal on two wires and cancels whatever noise both pick up — why mic cables can run hundreds of feet hum-free. TRS line outputs plus a pair of XLR mains give you real routing flexibility on the analog side. ADATOptical digital audio: 8 channels at 48 kHz down one Toslink lightpipe (4 at 96 kHz). The usual way to add more channels to an interface. in and out extend the channel count further if you add an optical preamp or digital stageboxThe I/O endpoint on stage: mics plug in there and one digital line (AES50, Dante) carries everything to the console. The snake, digitized. down the road. At $229, it occupies the role of primary interface in a budget playback rig or first IEMIn-Ear Monitor — earpieces that replace floor wedges, feeding each player their own mix. The reason this whole rack exists. rack build — the kind of slot that would otherwise stay empty until the budget caught up.
Fifteen watts of draw on a standard IECThe standard three-prong appliance power inlet on rack gear — the kettle lead. C13/C14 in spec-sheet speak. connection means it plays nicely with any rack power conditionerFilters venue AC, clamps surges, and gives the rack one tidy inlet. Not a voltage regulator and not a battery — just cleaner power. and won't stress a road case outlet strip. The 150mm depth is genuinely shallow, which matters in a half-built rack where depth clearance is already tight. The ADATOptical digital audio: 8 channels at 48 kHz down one Toslink lightpipe (4 at 96 kHz). The usual way to add more channels to an interface. port is the sleeper spec here — pair it with an ADAT-equipped stage boxThe I/O endpoint on stage: mics plug in there and one digital line (AES50, Dante) carries everything to the console. The snake, digitized. or preampThe gain stage that lifts a mic’s tiny signal up to line level — the first thing a signal hits, and a big part of how a console sounds. expander and you can push up to eight additional channels over a single ToslinkThe square optical connector that carries ADAT or S/PDIF audio as light down a fiber — immune to hum and ground loops. cable without touching USB bandwidth. MIDI I/O is a real DINThe round 5-pin connector classic MIDI uses — the original way synths, pedals, and playback rigs talk to each other. connector, not a USB adapter, which simplifies cabling if your playback system needs to trigger devices. The USB 2.0 connection is the throughput ceiling; high sample ratesHow many times per second audio is measured when digitized — 48 kHz is the live standard; 96 kHz measures twice as often. with full channel counts can stress older host machines, so verify your laptop or playback computer's USB controller before the first show.
This interface belongs in rigs where the mission is channel count and reliability at a constrained budget — small-venue IEMIn-Ear Monitor — earpieces that replace floor wedges, feeding each player their own mix. The reason this whole rack exists. setups, rehearsal-room recording rigs, or a spare interface kept in the case for emergencies. Engineers running professional touring rigs with high headroomThe margin between your normal level and where things clip — headroom is what absorbs the snare hit you didn’t see coming. requirements or analog-critical signal chains will want to look at interfaces with more robust convertersThe circuitry that turns analog audio into digital data and back (A/D and D/A). Converter quality sets a digital rig’s sound ceiling. and driver ecosystems. The Midas preampThe gain stage that lifts a mic’s tiny signal up to line level — the first thing a signal hits, and a big part of how a console sounds. branding is real in the sense that the circuit lineage traces there, but the UMC1820 is not a boutique tool — it is a pragmatic one. If your priority is getting eight inputs and eight outputs into a 1UThe standard slice of rack height: 1U = 1.75″. A 3U box takes three slices; half-rack gear pairs two units side by side in one. rack space without spending a month's rent, it makes a strong case for itself.
In the rack
- Use the ADATOptical digital audio: 8 channels at 48 kHz down one Toslink lightpipe (4 at 96 kHz). The usual way to add more channels to an interface. output to feed a digital IEMIn-Ear Monitor — earpieces that replace floor wedges, feeding each player their own mix. The reason this whole rack exists. transmitter system or additional converterThe circuitry that turns analog audio into digital data and back (A/D and D/A). Converter quality sets a digital rig’s sound ceiling. if your wireless rack has an optical input — you reclaim all eight TRSTip-Ring-Sleeve — a 1/4″ jack with three contacts carrying a balanced signal or a stereo pair. A guitar plug with one extra ring. outputs for monitor mixes without adding another device.
- Lock your sample rateHow many times per second audio is measured when digitized — 48 kHz is the live standard; 96 kHz measures twice as often. before doors and don't let a DAWDigital Audio Workstation — the recording and playback software (Logic, Ableton Live, Pro Tools) at the center of a computer rig. on the same machine change it mid-show; the UMC1820's USB driver can require a restart to recover from a sample-rate conflict, which is not a problem you want at hour two of a set.
- Run a short IECThe standard three-prong appliance power inlet on rack gear — the kettle lead. C13/C14 in spec-sheet speak. cable directly to the first outlet on your power conditionerFilters venue AC, clamps surges, and gives the rack one tidy inlet. Not a voltage regulator and not a battery — just cleaner power. rather than daisy-chaining off another device — at 15W it's a light load, but giving it a clean, dedicated outlet eliminates a variable if you're chasing ground noise.
- Label the eight TRSTip-Ring-Sleeve — a 1/4″ jack with three contacts carrying a balanced signal or a stereo pair. A guitar plug with one extra ring. line outputs on the rear panel before the interface goes in the rack — once it's screwed in at 1UThe standard slice of rack height: 1U = 1.75″. A 3U box takes three slices; half-rack gear pairs two units side by side in one. with other gear above it, reading the rear silk-screen becomes genuinely difficult at load-in.
18x20 USB interface — 8 Midas-designed preampsThe gain stage that lifts a mic’s tiny signal up to line level — the first thing a signal hits, and a big part of how a console sounds. for the price of one.
I/O Ports (11)
| Port | Connector | Direction | Signal | Channels |
|---|---|---|---|---|
| Mic/Line 1-8 | COMBO XLR TRS | input | analog audio | 8 |
| Line Out 1-8 | TRS QUARTER | output | analog audio | 8 |
| Main Out L/R | XLR MALE | output | analog audio | 2 |
| ADAT In | TOSLINK | input | digital audio | — |
| ADAT Out | TOSLINK | output | digital audio | — |
| S/PDIF In | SPDIF COAX | input | digital audio | — |
| S/PDIF Out | SPDIF COAX | output | digital audio | — |
| MIDI In | MIDI DIN5 | input | data | — |
| MIDI Out | MIDI DIN5 | output | data | — |
| USB 2.0 | USB B | bidirectional | data | — |
- Power (IEC C14)
Deciding between two?
Rack space, watts, weight and every connector, side by side.
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