MV-BT is a Bluetooth input module and monitor controller that adds aptX Bluetooth and a volume knob to any pair of powered monitors. It sits between the source and the speakers, so playing a reference track from a phone stops meaning unplugging the interface.

Volume knob and Bluetooth, for monitors that have neither.

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Powered monitors put the volume control on the back of each speaker, which is behind them and out of reach. Every studio ends up either riding the interface output or reaching around the speaker, and neither is good.

The MV-BT puts a volume knob on the desk and adds aptX Bluetooth alongside wired inputs and a 3.5mm connection. Checking a mix against a reference track on a phone becomes a two-second job instead of a re-patching exercise.

At a Glance

What Problem Does the MV-BT Solve?

Powered monitors hide their volume control on the rear panel. The MV-BT puts a volume knob within reach on the desk and adds Bluetooth input at the same time.

What Is aptX?

A Bluetooth codec that carries more data than the standard one, so wireless playback holds up better than basic Bluetooth. It still is not a mixing-grade signal path, but it is fine for reference listening.

Does It Work With Other Brands of Monitor?

Yes. It sits between the source and any pair of powered monitors, so it is not restricted to Kali speakers.

Why Kali Audio

Kali Audio was started in Burbank in 2018 by engineers out of the professional audio industry, and the whole company is built on one idea: measure everything, publish the measurements, and let the numbers do the arguing. Every product line is named after a California town. Lone Pine is the entry range, Independence is the 3-way coaxial line, Santa Monica is the flagship, and Watts is the subwoofer series. Kali became the reference for value in studio monitoring by beating far more expensive speakers on measured response rather than on marketing.