Blackmagic Design
Blackmagic Design SWATEMMINIBPRISO ATEM Mini Pro ISO Streamer
★★★★★
Four simultaneous HDMI sources, ISO recording of every input, and H.264 streaming in a single unit that replaces an entire live production rack.
$575.00*
View on Amazon
✓ In Stock on Amazon.com
*Price sourced from Amazon.com. Last updated:Jun 27, 2026.Price and availability are subject to change.
Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.
Notice a mistake? Let Us Know
Overview
Key Features
FEATURE RICH: Includes Cut, Mix, Dip, Wipe, DVE transitions; Luma, Linear, Chroma, Pattern Upstream keys; Downstream Keyer; Built-in 6-Input 2-Channel Audio Mixer; 4 Camera Multiview; Recording of up to 5 separate H.264 video streams in real time.
APPLICATIONS: Multicamera live streaming to the Internet or broadcast applications. Perfect for education & training, business presentations, livestream eSport events and more.
INPUTS: 4 x HDMI Type A (10-Bit 4:2:2: YUV), 2 channel embedded audio; 2 x 3.5mm Stereo Analog Audio; 1 x RJ45 Ethernet.
OUTPUTS: 1 x HDMI Type A (10-Bit 4:2:2 YUV), 2 channel embedded audio; Multivew Output; 1 x USB Type-C 3.1 Gen 1 (webcam out, panel connection external drive recording).
INCLUDES: ATEM Mini Pro ISO HDMI live stream switcher and external 12V DC power supply with international socket adapters.
Specifications
Product Type
Video Blender
Function
Live Production and Live Streaming
Model Name
ATEM Mini Pro ISO Streamer
HDMI Inputs
4
HDMI Outputs
1
Streaming Functionality
H.264
Key Feature
Integrated multiviewer
Recording Capability
Recording of inputs and PGM as clean feed
Pros & Cons
👍 Pros
- ISO recording of all four HDMI inputs simultaneously enables full post-production re-edit of live-switched content — a capability previously requiring dedicated recording hardware per channel.
- H.264 hardware encoding allows direct streaming without a capture computer — removes an entire laptop or encoder box from the production chain.
- Integrated multiviewer on the HDMI output displays all four sources plus program and preview on a single monitor, replacing a dedicated multiview monitor or SDI router.
- Compact form factor integrates a switcher, streaming encoder, and ISO recorder in a unit small enough for a laptop bag — reduces travel kit weight significantly.
- ATEM Software Control is free and enables full macro programming for automated transitions on repeated live show formats.
👎 Cons
- No SDI inputs — HDMI-only limits integration with broadcast cameras, stage intercom systems, and longer cable runs where SDI is the standard; HDMI signal reliability degrades past 15 feet without active cables or repeaters.
- USB-C Ethernet adapter required for network streaming — not included in the box, which adds to the total cost and creates a single point of failure for live streaming connectivity.
- 4K source input is not supported — cameras must downscale to 1080p output, which constrains future-proofing for productions moving to 4K deliverables.
- ISO recording performance is highly sensitive to attached SSD speed — slow drives cause dropped frames in multi-source records, requiring specific drive testing before deployment.
- All inputs must share the same frame rate — mixed-frame-rate source scenarios (24fps and 60fps simultaneously) are not supported.
Frequently Asked Questions
What does "ISO recording" mean on the ATEM Mini Pro ISO, and why does it matter for production?
ISO recording captures each of the four HDMI inputs as separate, full-resolution video files simultaneously alongside the program mix. In post-production, this means you can re-edit the live switch entirely — if a take was missed or a cut was wrong, the raw isolated sources are recoverable. For broadcast and event work, ISO changes the switcher from a live-only tool to a hybrid live-and-post tool.
What recording medium does the ISO recording use, and what capacity is required?
The ATEM Mini Pro ISO records to a USB-C connected SSD or high-speed flash drive. Recording four HDMI inputs at full quality simultaneously generates substantial data — a fast USB 3.1 SSD is required; slow USB drives will cause dropped frames. SanDisk Extreme or Samsung T7 class drives are the commonly tested reference standard for this unit.
Can the ATEM Mini Pro ISO stream directly to multiple platforms simultaneously?
The unit streams to one destination at a time via its USB-C Ethernet adapter (sold separately). Multi-platform simultaneous streaming requires a third-party software relay (such as Restream or Castr) receiving the single outbound H.264 stream and re-distributing it.
Does this unit require ATEM Software Control, and can it be operated standalone?
Basic switching can be performed via the hardware buttons on the unit itself. Full control — transitions, macros, keying, audio mixing, and streaming configuration — requires ATEM Software Control, which is free software from Blackmagic Design. For advanced multi-camera production, the software is effectively required.
What HDMI source formats does the ATEM Mini Pro ISO accept?
The four HDMI inputs accept standard video formats up to 1080p60. 4K input sources are not supported — 4K cameras must be set to output 1080p or downscaled externally before connecting. All four inputs must be the same frame rate for clean switching.
Related Products
