Yellowtec YT3900 M!ka hush+ OnAir Controller BaseUnit

Clear Description of What This Does for You

The hush+ OnAir Controller BaseUnit is a professional signal control box designed to manage the LED OnAir indicator and microphone signal of your m!ka OnAir Mic Arm. It delivers a premium mic pre‑amp, mute control, and flexible interface options to make broadcast control seamless and intuitive.

Professional Mic Signal Control With Built‑In Preamp

This unit provides a high‑grade microphone preamplifier with adjustable gain from 12 dB up to 75 dB and an impressively low -129 dB noise level. That means cleaner, more transparent mic-to-console sound quality without added hiss or distortion, ideal for broadcasters, podcasters, or live-call applications.

Integrated OnAir LED and Mute Control With Remote

The bundled remote connects via USB‑C and offers two tactile buttons. The OnAir button toggles the red LED on the mic arm, while the mute (or cough) button temporarily silences your audio signal—which flashes white on the arm while in mute. This enables clear on‑air communication and quick mic control when needed.

Plug‑and‑Play Compatibility With Multiple Control Modes

This system plugs directly into the 5‑pin XLR connector at the base of the m!ka Mic Arm OnAir. You can also configure control via software, using USB‑HID, USB‑MIDI, GPI/O triggers, or the remote. The hush App lets you select preferred modes and tweak phantom power or high‑pass filtering to refine your setup.

Durable, Compact Controller Body Built for Studio Use

Encased in anodized aluminum, the hush+ BaseUnit is lightweight yet sturdy. Inputs include one XLR‑5 mic input and one line‑level XLR‑3 out, plus a USB‑C port for power/control. Dimensions are compact and desktop-friendly, making it easy to integrate behind a console or at a broadcast desk.

Fast Setup With Remote and Cable Options Included

You receive everything needed to begin control right away: the hush+ controller, hush Remote, USB‑C to USB‑A adapters, a GPI/O adapter block, and USB‑C cables. Installation is straightforward—just plug into your mic arm and computer or power adapter, then control OnAir and mic mute with a tap.

Ideal for Content Creators Demanding OnAir Signal and Mic Control

This bundle is perfect for users of m!ka mic arms needing instant OnAir light control and mic muting, especially in studio, radio, or streaming environments. With full mic preamp, indefinite mute option, and software integration, this unit supports broadcast-level signal control with minimal fuss.