Crumar ST4 – 4-Port Switchable MIDI Thru Box
OVERVIEW
Simplify your MIDI setup with the Crumar ST4 (4-Port Switchable MIDI Thru Box) – the perfect solution for musicians and producers who need seamless control over multiple MIDI devices. Featuring one MIDI input and four independent, switchable outputs, the ST4 lets you easily route and manage signals between your synths, samplers, and drum machines without lag, stuck notes, or data loss.
Ideal for both studio sessions and live performances, the ST4 offers intuitive operation – just press a button to activate or deactivate each output channel. It also doubles as a USB-MIDI interface, providing direct connectivity to your computer setup. Compact, reliable, and powered via USB, the ST4 is a must-have tool for anyone looking to take full command of their MIDI rig.
KEY HIGHLIGHTS
Four-Port Flexibility:
Control up to four MIDI devices or synths simultaneously with individual switchable outputs.
Reliable MIDI Performance:
Eliminates hung notes and incomplete events for smooth, consistent communication.
Plug-and-Play Simplicity:
Easy operation – just connect your devices, press a button, and start playing.
USB-MIDI Interface:
Doubles as a USB-MIDI interface for seamless computer integration.
Perfect for Studio or Stage:
Compact and robust design ideal for live setups or permanent studio rigs.
FEATURES
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1 x MIDI input and 4 x individually switchable MIDI outputs
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1 x USB (Micro-USB) port for computer connectivity
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Functions as both a MIDI Thru Box and USB-MIDI interface
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Prevents hung notes and incomplete MIDI messages
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Simple push-button operation for enabling or disabling outputs
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Compact design suitable for live and studio use
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Powered via 5V USB (power supply sold separately)
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Compatible with all standard MIDI devices and software
TECHNICAL SPECS
Type: MIDI Thru Box
Ports: 1 x 4
MIDI I/O: 1 x In, 4 x Out, 1 x USB
USB: 1 x Micro-USB Computer
Connectivity: USB
Power: 5V USB power supply (sold separately)
Manufacturer Part Number: ST4











