Slate Digital Submerge 1.0.5 — Mac version

Check it fits your Mac

Submerge runs on Apple Silicon Macs from macOS 11 upwards. If you're still on Intel, it won't load.

Pick a trigger

Three trigger modes set how the plug-in ducks the signal. Auto mode follows the project tempo so you don't need a separate kick track. MIDI mode lets you write ducking patterns with notes. Audio mode reacts to a side-chain input from another channel.

Shape the movement

Choose Natural for smooth, rounded dips, Extreme for sharp cuts, or Custom to draw your own curve. Mid/Side processing lets you duck only the centre or the sides, and the sample-rate reduction knob adds crunchy lo-fi grit to the effect.

Setting up a tempo-synced bass pump in 60 seconds

Here's a quick way to get a breathing bassline without routing a kick track. Drop Submerge on your bass channel, set the trigger to Auto, and dial the Speed knob to quarter notes. The plug-in grabs the host tempo straight away.

1. Pull Threshold down until the gain reduction meter starts dancing on every beat.
2. Set Curve to Extreme for a snappy dip that leaves room for the kick transient.
3. Back off Depth to around 6 dB — enough movement without the bass disappearing.
4. Turn Morph clockwise to soften the attack and blend the ducking into the groove.
5. Engage the high-pass effect and sweep it up to 300 Hz so only the subs duck, leaving the bass harmonics intact.

The whole thing takes under a minute and you never touched a side-chain bus. If the pumping feels stiff, nudge Speed to dotted eighths and watch the rhythm shift.

Drawing curves vs. instant tempo-synced triggers

If you've used Xfer LFO Tool, you'll recognise the drawn-curve workflow, but Submerge replaces manual LFO shaping with instant tempo sync and three distinct curve types. LFO Tool gives you finer envelope control; Submerge trades that for speed — you pick a mode and tweak, rather than drawing breakpoints from scratch.

Kickstart 2 by Nicky Romero offers a similarly dead-simple one-knob approach with a fixed set of shapes. Submerge edges ahead with its eight built-in effects and Mid/Side routing, which Kickstart doesn't touch. On the flip side, Kickstart's audio-triggered mode feels slightly snappier on percussive material.

Compared to VolumeShaper by Cableguys, Submerge skips the multiband splitting but gives you sample-rate reduction and filtering inside the same window. VolumeShaper remains the choice for surgical envelope work; Submerge fits better when you want a musical result without building a whole modulation rack.

CPU load on an M1 Air with stacked instances

On an M1 MacBook Air running Logic Pro, Submerge sits light. A single instance with Auto trigger and three effects active barely nudges the CPU meter — roughly the same footprint as a stock compressor. Stacking eight or ten instances across a busy session still leaves plenty of headroom for virtual instruments.

Switching to Audio trigger mode adds a small hit, maybe two or three percent extra per instance, because the plug-in is constantly analysing the side-chain input. MIDI mode lands somewhere in between. No crashes or audio dropouts turned up during a three-hour mixing session, and the GUI stayed responsive even when flipping through presets mid-playback.

One thing worth knowing: the sample-rate reduction effect introduces a tiny latency spike when engaged. It's negligible for mixing but might throw off a live performance if you toggle it on the fly. For studio use, it's a non-issue.

• macOS 11 or newer
• Apple Silicon Mac