Essential Information About the Behringer FLOW 4VIO I/O Expansion
- Add 4 microphone preamps to your FLOW ecosystem, featuring dual-stage A/D conversion for optimized dynamic range.
- 32-bit float recording (and 24-bit fp) to capture takes stress-free, ideal when levels change rapidly during live performances or filming.
- StageCONNECT over standard XLR cable: uncompressed multichannel audio transmission with sub-millisecond latency at 44.1/48 kHz.
- 2 stereo headphone outputs with independent level controls + class-compliant USB Audio/MIDI interface for a simple and fast setup.
FLOW 4VIO: a StageCONNECT extension designed to relocate inputs where the action happens
The FLOW 4VIO fits into the logic of compact and mobile setups: rather than multiplying boxes and cables, Behringer offers an I/O expansion designed to complement compatible FLOW mixers. The idea is simple: place the
mic inputs as close as possible to the sources (studio, stage, rehearsal room) and send the audio back to the mixer via a
single StageCONNECT link, while maintaining conversion quality and responsiveness suitable for both live and recording environments.
In practice, the FLOW 4VIO acts like a modern
stage box: it extends your system with
4 additional preamps, dedicated headphone outputs, and can also become a
4 x 4 USB interface when working in the studio or on the go.
Who is it for and what are the use cases?
The Behringer FLOW 4VIO is aimed at users who want
more mic inputs without complicating their setup: bands rehearsing, small venues, event technicians, content creators, multicam recordings, filmed podcasts, or sound engineers seeking a
quick-to-deploy system.
Its
2 headphone outputs with independent levels are particularly useful for
monitoring: one headphone for the operator, another for a participant, musician, or director. Thanks to the
class-compliant USB mode, you can integrate it with a compatible computer or tablet without complex installation, to record, stream, control software, and transport MIDI over a single USB connection.
Key features: capture quality, StageCONNECT transmission, and USB workflow
4 microphone preamps and dual-stage A/D conversion
At the heart of the FLOW 4VIO are
4 analog inputs designed to expand your recording capacity. The preamps are paired with
dual-stage A/D converters, an architecture designed to improve dynamic handling and preserve details whether you're recording vocals, ambient mics, acoustic instruments, or highly contrasting sources.
32-bit float recording: more safety, fewer lost takes
Support for
32-bit float (as well as
24-bit fp) targets a very practical goal: reducing the risk of unrecoverable clipping during recordings with unpredictable levels. For live captures, outdoor interviews, or sessions where speed is essential, this is a real advantage to safeguard audio material and save time in post-production.
StageCONNECT over XLR: a single link, ultra-low latency
The
StageCONNECT connection enables multichannel transmission in
uncompressed 24-bit PCM, with
sub-millisecond latency. It operates at
44.1 kHz and 48 kHz (up to 48 kHz), and uses a
standard XLR cable, simplifying stage cabling and providing reassurance in event contexts. This approach also facilitates system expansion with other compatible I/O devices, depending on your needs.
Power supply and autonomy: a system designed for the field
The FLOW 4VIO can
remotely power a compatible FLOW 4V mixer via
a single XLR cable on the StageCONNECT link, convenient when the mixer is positioned elsewhere. The unit can also be powered via an
external USB-C power supply, a common solution both in studio and on the move.
Class-compliant USB Audio/MIDI interface: 4 x 4 and immediate integration
Beyond its role as a StageCONNECT extension, the FLOW 4VIO can be used as a
4-in / 4-out USB audio interface class-compliant, managing both
audio and MIDI over USB. Result: the same product can serve as a stage box with a FLOW mixer, then become a compact interface for recording vocals, controlling virtual instruments, preparing sessions, or ensuring streaming with simple routing.
Technical Specifications
Type and Compatibility
- Category: I/O expansion, I/O interface, stage box
- Designed to expand I/O of FLOW 4V mixers via StageCONNECT
- Class-compliant USB Audio/MIDI interface
Inputs and Preamps
- Number of analog inputs: 4
- Microphone preamps: 4
- A/D conversion: dual-stage
Digital Audio, Transmission, and Sampling Frequency
- StageCONNECT transmission: multichannel audio
- Latency: sub-millisecond
- Format: uncompressed 24-bit PCM
- Sampling frequencies: 44.1 kHz / 48 kHz
- Sampling frequency (attribute): 48 kHz
Recording and Resolution
- Recording resolution: 24-bit fp or 32-bit float
Outputs
- Headphone outputs: 2 stereo
- Control: independent levels per headphone output
Connectivity
- Digital inputs: USB, StageCONNECT
- Digital connection type: USB-C, StageCONNECT
Power Supply
- Power type: external USB-C
- Function: ability to remotely power a compatible FLOW 4V via a single XLR cable (StageCONNECT)
USB Audio Interface Mode
- Can be used as a USB interface: 4 x 4 channels
- USB: audio and MIDI
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