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RME Fireface UCX II 40-Channel USB-B Audio/MIDI Interface

BH #RMFFUCXII • MFR #FF UCX II
RME Fireface UCX II 40-Channel USB-B Audio/MIDI Interface
Key Features
  • Musicians, Content Creators & Engineers
  • AC Powered / Mac, Windows
  • 2 Mic/Line In, 2 Line/Hi-Z In, 4 Line In
  • 1 Headphone Out, 6 TRS Line Out
Compact, portable, and packed with features from their premier interfaces, the RME Fireface UCX II is a desktop 20x20 USB audio/MIDI interface that effectively serves as a mobile version of RME's respected UFX rackmount models, earning it the flexibility to benefit musicians, content creators, and serious engineers alike. Not only is it a capable interface with plenty of analog and digital I/O for your DAW-based productions, but it also supports powerful remote-control options and standalone operation to accommodate a myriad of workflows and recording scenarios. Additionally, it can record all I/O channels directly to USB flash storage thanks to the internal DURec digital recorder.
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RME FFUCXII Overview

By B&H Photo's

Compact, portable, and packed with features from their premier interfaces, the RME Fireface UCX II is a desktop 20x20 USB audio/MIDI interface that effectively serves as a mobile version of RME's respected UFX rackmount models, earning it the flexibility to benefit musicians, content creators, and serious engineers alike. Not only is it a capable interface with plenty of analog and digital I/O for your DAW-based productions, but it also supports powerful remote-control options and standalone operation to accommodate a myriad of workflows and recording scenarios. Additionally, it can record all I/O channels directly to USB flash storage thanks to the internal DURec digital recorder.

Since it has eight analog inputs—two high-gain mic/line preamps, two line / Hi-Z inputs, and four rear-panel line inputs, the Fireface UCX II can easily handle dynamic and condenser mics, electric instruments, and professional line-level devices. With six balanced TRS line outputs and a stereo headphone jack, it has no problem feeding monitors, headphones, and even CV/gate inputs on synth gear. Reference-class clocking and compliance with resolutions up to 24-bit / 192 kHz enable the interface to perform at its best, and a crisp color display shows metering for all inputs and outputs at the same time.

Big on Features, Small on Size
The Fireface UCX II is a highly integrated pro-audio solution in an ultracompact format for studio and live recordings. It continues RME's long tradition of designing advanced compact interfaces, packing into a half-rack size unit what usually would be spread outover two or three 19" panels.

With up to 20 channels for recording and playback, SteadyClock FS, high-performance microphone inputs, parametric EQ, dynamics processing, echo, reverb, DURec (Direct USB Recording), MIDI I/O, a powerful headphone output, and full standalone operation, the Fireface UCX II excels with RME's highest feature-to-space ratio ever.

TotalMix FX with Room EQ and Binaural Crossed for Immersive Audio
  • The Fireface UCX II comes with the TotalMix FX DSP mixer offering comprehensive routing and monitoring options, as well as the DIGICheck Analyzer allowing to measure and analyze the digital data feed in both directions with maximum precision.
  • The integration of Room EQ adds room calibration to the RME eco-system, making your Fireface perfect for Immersive audio setups including Dolby ATMOS. Room EQ consists of nine bands of fully parametric EQ, individual output delay, and volume calibration. Users can freely assign up to twenty 20 Room EQs at once to any output(s) they wish including stereo, headphone, and digital outputs for maximum flexibility. Settings can be input manually or imported using tools like Sonarworks or Room EQ Wizard.
  • Also added is a feature called Binaural Crossed. This functionality provides speaker emulation in headphones-perfect for mixing stereo or ATMOS in headphones. The Crossfeed function emulates speaker behavior in terms of channel separation, so the extremely wide ambience experienced in headphones can be set in 5 stages.
Special Functionality
  • Full standalone operation, no computer required
  • DURec-integrated digital recorder allows you to record directly to USB memory devices
  • All channels (20 inputs and 20 outputs) can be individually chosen for recording and playback
  • CV/gate low-latency voltage control for automating synthesizers, mixing consoles, and effects
  • SteadyClock FS reference-class digital clocking
  • USB out for ARC USB remote control (available separately)
  • Compatible with TotalMix FX for iPad
  • DIGICheck turns the interface into a highly versatile front-end for audio measurements and software development
  • Class-compliant mode for Linux environments and compatibility with iPads and iPhones (separately available connection kits may be needed)
  • Crisp high-resolution color display shows metering for all input and output channels
Eight Analog Inputs
  • Two XLR-1/4" combo mic/line preamps with phantom power and up to 75 dB of gain, plenty even for low-output dynamic mics such as the Shure SM7B
  • Two 1/4" TRS inputs for balanced line-level sources or unbalanced Hi-Z instruments
  • Input sensitivity for line/Hi-Z inputs switchable to 19 or 13 dBu
  • Four rear-panel balanced 1/4" TRS line-level inputs with up to 12 dB of gain, perfect for patching in synths or outboard gear
  • All analog inputs are digitally controlled
Eight Analog Outputs
  • Six balanced 1/4" TRS line outputs with high dynamic range (115 dBA) and three selectable output levels (+19, +13, or +4 dBu)
  • High-power 1/4" stereo headphone output
Digital I/O
  • 8-channel ADAT I/O via TOSLINK optical ports
  • 2-channel AES3 I/O via breakout cable
  • 2-channel S/PDIF I/O via breakout cable
  • USB-B host connection for Mac/Windows/Linux supports USB 2.0 and 3.0 standards
Extra Connections
  • DIN 5-pin MIDI I/O for connecting keyboard controllers, arranger workstations, and synthesizers
  • BNC wordclock jack can be assigned as an input or output
  • Barrel input for included power adapter

RME FFUCXIISpecs

Key Specs
Channels of I/O
Analog:
8 Inputs / 8 Outputs
Digital:
12 Inputs / 12 Outputs
Maximum Sampling Rate
192 kHz / 24-Bit
Number of Microphone Inputs
2
Analog Audio I/O
2x Combo XLR-1/4" TRS Balanced Mic/Line Input (Front Panel)
2x 1/4" TRS Balanced/Unbalanced Line/Hi-Z Input (Front Panel)
4x 1/4" TRS Balanced Line Input
6x 1/4" TRS Balanced Line Output
1x 1/4" TRS Unbalanced Headphone Output (Front Panel)
Digital Audio I/O
1x TOSLINK Optical ADAT Input
1x TOSLINK Optical ADAT Output
1x XLR 3-Pin AES3 Input (on Breakout Cable)
1x XLR 3-Pin AES3 Output (on Breakout Cable)
1x RCA Coaxial S/PDIF Input (on Breakout Cable)
1x RCA Coaxial S/PDIF Output (on Breakout Cable)
Host Connection
1x USB-B
Power Requirements
AC/DC Power Adapter (Included)
Channels of I/O
Analog:
8 Inputs / 8 Outputs
Digital:
12 Inputs / 12 Outputs
Built-In DSP
No
Maximum Sampling Rate
192 kHz / 24-Bit
Number of Microphone Inputs
2
Built-In Microphone
No
Input Level Adjustment
1x Knob
Signal Processing
Pad
No
Gain/Trim Range
1/4" Hi-Z Inputs:
+6 dB
Combo XLR-1/4" Mic/Line Inputs:
+75 dB
1/4" Line Inputs:
+12 dB
High-Pass Filter
No
Solo/Mute
No
Connectivity
Analog Audio I/O
2x Combo XLR-1/4" TRS Balanced Mic/Line Input (Front Panel)
2x 1/4" TRS Balanced/Unbalanced Line/Hi-Z Input (Front Panel)
4x 1/4" TRS Balanced Line Input
6x 1/4" TRS Balanced Line Output
1x 1/4" TRS Unbalanced Headphone Output (Front Panel)
Phantom Power
48 V, Selectable On/Off (Selectable on Individual Inputs)
Digital Audio I/O
1x TOSLINK Optical ADAT Input
1x TOSLINK Optical ADAT Output
1x XLR 3-Pin AES3 Input (on Breakout Cable)
1x XLR 3-Pin AES3 Output (on Breakout Cable)
1x RCA Coaxial S/PDIF Input (on Breakout Cable)
1x RCA Coaxial S/PDIF Output (on Breakout Cable)
Host Connection
1x USB-B
Host Connection Protocol
USB 2.0
USB (Non-Host)
1x USB-A (External Storage)
Sync I/O
1x BNC Word Clock Input or Output
Network I/O
No
MIDI I/O
1x DIN 5-Pin Input
1x DIN 5-Pin Output
Expansion Slots
No
Other I/O
1x DE-9/DB-9 Breakout Cable In/Out
Performance
Frequency Response
Inputs:
5 Hz to 20.8 kHz -0.1 dB (at 44.1 kHz)
3 Hz to 45.8 kHz -0.5 dB (at 96 kHz)
2 Hz to 92 kHz -1 dB (at 192 kHz)
Outputs:
5 Hz to 20.8 kHz -0.5 dB (at 44.1 kHz)
5 Hz to 45 kHz -0.5 dB (at 96 kHz)
5 Hz to 89 kHz -1 dB (at 192 kHz)
Maximum Input Level
Combo XLR-1/4" Mic Inputs:
+18 dBu (Min Gain)
-57 dBu (Max Gain)
Combo XLR-1/4" Line Inputs:
+24 dBu (Min Gain)
-51 dBu (Max Gain)
1/4" Line Inputs:
+19 dBu (Min Gain)
+1 dBu (Max Gain)
1/4" Hi-Z Inputs:
+13 dBu (Min Gain)
-5 dBu (Max Gain)
Maximum Output Level
Line/Headphone Outputs:
+19 dBu
Headphone Output Power
210 mW per Channel into 32 Ohms (Max, 0.1% THD)
Impedance
Combo XLR-1/4" Mic Inputs:
5.4 Kilohms
Combo XLR-1/4" Line Inputs:
10 Kilohms (Balanced)
5 Kilohms (Unbalanced)
1/4" Line Inputs:
12 Kilohms (Balanced)
8 Kilohms (Unbalanced)
Line Outputs:
75 Ohms
Hi-Z Inputs:
1 Megohm
Headphone Outputs:
1 Ohm
Dynamic Range
Line Outputs:
115 dB (A-Weighted)
112 dB RMS (Unweighted)
SNR
1/4" Line Inputs:
115 dB (A-Weighted)
112 dB RMS (Unweighted)
THD
Inputs:
< -110 dB / < 0.00032%
Outputs:
< -108 dB / < 0.0004%
THD+N
Inputs:
< -104 dB / < 0.00063%
Outputs:
< -104 dB / < 0.00063%
EIN
Mic Inputs:
-128 dBu A-Weighted (150-Ohm Source, +60 dB Gain, 20 Hz to 20 kHz)
Digital Audio
Sample Rates
Up to 192 kHz
Sample Rate Conversion
No
Bit Depths
24-Bit
Latency
Zero-Latency Direct Monitoring
A/D Conversion:
0.11 ms at 44.1 kHz
A/D Conversion:
0.1 ms at 48 kHz
A/D Conversion:
0.057 ms at 88.2 kHz
A/D Conversion:
0.052 ms at 96 kHz
A/D Conversion:
0.034 ms at 176.4 kHz
A/D Conversion:
0.031 ms at 192 kHz
D/A Conversion:
0.13 ms at 44.1 kHz
Sync Sources
ADAT, AES3, Internal, S/PDIF, Word Clock
Clocking
Word Clock:
Input Termination: 75 Ohms
Input Voltage: 1 to 5.6 V p-p
Output Voltage: 5 V p-p
Lock Range: 27 to 200 kHz

AES:
Input Voltage: 0.3 V p-p
Output Voltage: 2.6 to 4.5 V p-p
Lock Range: 27 to 200 kHz
Jitter Suppression: > 50 dB (2.4 kHz)

S/PDIF:
Input Voltage: 0.3 V p-p
Output Voltage: 0.6 to 1.2 V p-p
Lock Range: 27 to 200 kHz
Jitter Suppression: > 50 dB (2.4 kHz)

ADAT:
Lock Range: 31.5 to 50 kHz
Jitter Suppression: > 50 dB (2.4 kHz)
Audio Storage & Playback
Media/Memory Card Slot
No
Compatibility
OS Compatibility
Computer: macOS 10.12 or Later / Windows 7 or Later / Linux
Mobile: iPadOS Only
Processor Requirement
Intel Core i3 or Better
Mobile Device Compatibility
iPad
iPad Pro
iPhone
Required Hardware
Available USB 2.0 Port or USB 3.0 / 3.1/3.2 Gen 1 Port
USB Cable (Included)
Power
Power Requirements
AC/DC Power Adapter (Included)
AC Input Power
100 to 240 VAC, 50 / 60 Hz
AC/DC Power Adapter
9 to 18 VDC at 2 A, Center-Positive (Included)
Power Consumption
13 W (Typical)
Physical
Rackmount Size
1 RU (with Non-Included Hardware, 1/2-Rack)
Operating Conditions
41 to 122°F / 5 to 50°C up to 75% Humidity
Dimensions
8.5 x 5.1 x 1.73" / 21.6 x 13 x 4.39 cm (without Rack Ears)
10.16 x 6.1 x 1.73" / 25.81 x 15.5 x 4.39 cm (with Rack Ears)
Weight
2.0 lb / 0.9 kg
Packaging Info
Package Weight
3.955 lb
Box Dimensions (LxWxH)
13.7 x 7.7 x 3.7"

RME FFUCXII Reviews

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