The Inventory

KeyLab mk3 Update 1.5 is here.

A performance-focused upgrade designed to elevate how you play and create. Experience deeper Apple MainStage integration, refreshed Analog Lab Multi visuals, smoother display navigation, updated icons, and new Arp randomization for more expressive control.

Built for seamless studio sessions, confident live performances, and everything in between — this update keeps your workflow fast, intuitive, and inspiring.

Meet the new KeyStep 37 mk2 🎹
From your first idea to a finished pattern, it keeps creativity moving.

Create sequences, play arps, and get instant variations with Mutate — quick, fun, and inspiring.
With new hands-on controls and bright RGB feedback, you stay in control at every step.

Create faster. Perform better.

Listen directly from artists and engineers on how ALTO TS4 Speakers elevated their performance and audience experience

From the first note to the final track, performing artists and engineers talk about what it’s like using ALTO Professional TS4 Powered PA Speakers in real live situations.
The clarity on vocals.
The punch in the low end.
The confidence on stage when the system delivers exactly what’s needed.

Just genuine reactions from people who’ve played real gigs with it.

Built for live performance.
Ready for any stage.

ALTO Professional TS4 Powered PA Speakers 🔊

Built to handle every kind of event — from live gigs to DJ sets.

• Built-in 3-channel mixer
• Bluetooth streaming
• App-based DSP & custom EQ control
• True Wireless Stereo linking
• Easy setup with up to 2500W of power

Ready for any stage.