Pricing and availability

We compare 600+ stores and found this item at 10 stores. Prices updated .

Sweetwater
5.0 (8)
$71.99
Guitar Center
5.0 (1)
$74.99
Amazon
4.0 (84)
$71.99
Reverb
5.0 (1)
$70.40 New
$40.12 Used
B&H
5.0 (1)
$71.99
Thomann
4.4 (35)
$63.00

Price History

Based on price data from 7 merchants for "Nektar MIDIFLEX4 USB MIDI Interface". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

Meet the Nektar MIDIFLEX4 USB MIDI Interface, a compact and versatile solution for your MIDI connection needs. Whether you're in the studio or on the road, this robust interface is designed to adapt and perform. Encased in a durable, road-worthy housing with a sleek wrap-around aluminum cover, the MIDIFLEX4 offers a range of flexible operation modes to cater to your ever-changing MIDI connection requirements.

This interface is not just a pretty face but a master of adaptability. It can be configured as a 1 in/3 out, 2 in/2 out or 4 out interface on Windows, MacOS and iOS, providing flexible routing, splitting, and merging options. The MIDIFLEX4 is USB class-compliant, meaning it requires no custom drivers, allowing for immediate setup and compatibility with most DAWs.

The MIDIFLEX4 also has a unique ability to function in stand-alone operation as a MIDI merge and split box, without the need for a computer. A dedicated button on the unit ensures easy switching of the modes, with instant visual feedback via the 4 MIDI LED indicators. For those needing even more ports, multiple MIDIFLEX units may be used simultaneously.

Key Features:

  • 4-port MIDI interface with flexible routing, splitting, and merging
  • Robust and roadworthy housing with wrap-around aluminum cover
  • Compatible with Windows, MacOS, and iOS
  • USB class-compliant, requiring no custom drivers for instant setup
  • Adaptable operation modes: 1 In/3 Out, 2 In/2 Out or 4 Out
  • Stand-alone operation as a MIDI 2/1 merge or 1/3 split box
  • Dedicated mode switching button with 4 MIDI LED indicators
  • Capability to use multiple MIDIFLEX units simultaneously for expanded MIDI ports

Product specs

Type MIDI Interface
MIDI I/O 2 x In/Out, 2 x Out
USB 1 x Type B
Computer Connectivity USB
Features MIDI Merge/Split
Compatibility - Mac OS X 10.9.5 or later
Compatibility - Windows Windows 7 SP1 or later
Power USB bus powered
Height 1.29"
Width 4.37"
Depth 2.55"
Weight 0.39 lbs.

FAQs

How many MIDI devices can the Nektar MIDIFLEX4 USB MIDI Interface connect simultaneously?

The Nektar MIDIFLEX4 can connect up to four MIDI devices simultaneously, with its 2 x In/Out and 2 x Out ports, allowing for flexible routing options.

Is the Nektar MIDIFLEX4 USB MIDI Interface compatible with Mac and Windows operating systems?

Yes, the Nektar MIDIFLEX4 is compatible with Mac OS X 10.9.5 or later and Windows 7 SP1 or later, ensuring broad compatibility with most modern computers.

Does the Nektar MIDIFLEX4 USB MIDI Interface require an external power supply?

No, the Nektar MIDIFLEX4 is USB bus-powered, meaning it draws power directly from your computer via the USB connection, eliminating the need for an external power supply.

What is the purpose of the MIDI Merge/Split feature on the Nektar MIDIFLEX4?

The MIDI Merge/Split feature allows you to combine multiple MIDI inputs into a single output or split a single MIDI input into multiple outputs, enhancing connectivity and routing flexibility for complex setups.

How do I connect the Nektar MIDIFLEX4 to my computer?

Simply connect the Nektar MIDIFLEX4 to your computer using the included USB Type B cable. It will be recognized automatically by most systems without the need for additional drivers.

Reviews

PROS

  • Plug and play with no drivers needed

  • Affordable option for legacy MIDI gear

  • Reliable USB to DIN MIDI interface

  • Works well in standalone MIDI splitter mode

  • Solves compatibility issues with older MIDI devices

  • Sturdy construction for long-term use

  • Supports multiple systems, including MacOS and Linux

  • Class-compliant for easy setup

  • Effective for both modern and vintage synths

CONS

  • Cannot permanently set to MERGE mode on power up

  • Clicking relay sounds reported by users

  • Issues with some ports on MacOS Sonoma

  • Not very durable according to some users

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Nektar MIDIFLEX4 USB MIDI Interface.

Software and compatibility

  • Users experience port routing issues after software updates, affecting MIDI signal paths in Logic and Ableton, suggesting potential MIDI configuration conflicts.

    Source

Features and functionality

  • MIDIFLEX4 registers four distinct MIDI ports, meant to work independently, hinting at a possible need for checking and resetting configuration in MIDI Studio.

    Source

User experience

  • Users report unexpected MIDI routing, where signals intended for one port are also sent to another, causing confusion and limiting functionality to only two reliable ports.

    Source

Critic Reviews

Nektar Midiflex 4 review | Juno Daily

juno.co.uk

Nektar's MIDIFLEX 4 is a compact powerhouse for MIDI connectivity, seamlessly bridging hardware and software without the need for drivers—perfect for both beginners and pros. Its flexible configuration allows for versatile input/output management, making it a practical tool for any setup. However, while it's a fantastic solution for the majority of musicians, those needing more intricate MIDI capabilities might find themselves looking elsewhere. Overall, at just under £50, it delivers excellent value and functionality for essential MIDI tasks.

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