PHIXER for Kick In/Out: in vs out mic phase that keeps body on mono fold
Kick in (beater / click) vs kick out (shell / sub) can feel huge in headphones. On phone playback, Bluetooth, club PA mono, or livestream fold, click stays and body dips, or the opposite. Polarity and a few samples of timing come first. Free phase-repair helps after residual L/R fights remain on a stereo kick or drum bed you must keep stereo. It is not a kick replacer, and it does not replace a true mono listen on the bus.
Download PHIXER free YouTube tutorial
PHIXER is free stereo phase-repair (VST3/CLAP/AU · Win/Mac/Linux) from Riverflux Audio. Frequency-aware phase rotation for leftover L/R fights on stereo material. It is not a polarity button, not a delay matcher, not a widener, and not a substitute for mic placement. Use it after hygiene, when residual spectral cancellation remains on a stereo bed you must keep stereo.
Three kick failure modes this page covers
- Kick in vs out mic phase. Fine in cans; hollow sub or thin click on phone or club fold. Deep guide: Kick in/out phase.
- Kit cousin: snare top/bottom + OH/room. Same two-path fight on the rest of the kit. Use-case: PHIXER for Drums.
- Sample-stack cousin. Layered kick one-shots and 808 stacks hollow the same way live in/out does. Cousin: PHIXER for Sample Stacks.
Fast kick in/out mono audition (about 60 seconds)
- Sum L+R on the kick or drum bus (or monitor controller mono). Listen to beater click and shell/sub with both mics open.
- A/B stereo vs mono across a few hits. Note what disappears: sub, body, or click that was actually cancellation.
- Mute the out mic briefly. Flip Ø on in, then on out. Keep the flip that returns body without killing click.
- Nudge a few samples of attack timing before chasing plugins. Confirm on a phone speaker, then again after bus EQ / compressor / saturation.
Honest order of fixes (before spectral phase rotation)
1. True mono listen on the full kick
Hard L+R sum or monitor mono with in and out both open. Habit: kick in/out checklist and mono check workflow.
2. One hero for body or click
Prefer one path for weight (usually out / sub) and one for beater. Do not let both fight as equal stereo width beds that steal Mid from the hero hit.
3. Polarity before more processing
Flip Ø on each path while mono. Keep the flip that returns body. Guide: polarity vs phase.
4. Attack timing before spectral tools
Nudge a few samples or ms so transient peaks agree. Often enough on its own on phones and clubs.
5. Skip when intentional click/body split is the point
Some mixes deliberately thin in mono for click vs body. Honesty list: When not to use PHIXER.
6. Only then audition residual L/R spectral fights
If a stereo kick or drum bed must stay stereo and fold still hollows a band after the steps above, gentle frequency-aware phase rotation can help. Prove it with mono A/B. Watch the YouTube tutorial and the mono demo.
Kick path types
| Setup | Common mono failure | First fix |
|---|---|---|
| In (beater) + out (shell) | Sub / body dips when summed | Polarity + timing; mono listen |
| In + out + sub / 808 layer | Click stays, weight disappears | One hero body; flip Ø |
| Stereo kick bus + OH bleed | Kit body scoops on fold | Drums use-case |
| Layered kick one-shots | Stack hollows like live in/out | Sample stacks guide |
| Hard-panned twin kicks | Width collapses on mono | Less Haas; mid-leaning print |
Drums and sample-stack cousins (short version)
- Snare top vs bottom and OH vs room have the same two-path fold shape as kick in vs out. Full write-up: PHIXER for Drums.
- Layered kick / 808 one-shots cancel shared mid and sub the same way live in/out does. Full write-up: PHIXER for Sample Stacks.
- Polarity and timing still come first on every cousin. Spectral tools after residual L/R fights only.
When not to reach for PHIXER
- Wrong polarity on in or out (flip Ø first).
- Obvious attack misalignment between mics or layers (nudge first).
- You only need one hero mic or a mono-safe print of the kick.
- Intentional click/body phase split that is meant to thin in mono.
- Honesty list: When not to use PHIXER.