Tone Projects, a Denmark-based boutique plugin developer, is currently running a release sale. This article covers the latest Tone Projects sale info and an overview of each plugin. We will update this post as new sales appear.
1. Tone Projects Latest Sale Info
Tone Projects products are currently offered with the following sale.
Uni-L Master Limiter Release Sale: until June 30, 2026
Tone Projects “Uni-L Master Limiter” – a modern master limiter that pushes loudness while preserving sonic purity and dynamics. USD 163.9 (until 6/30).
2. What is Tone Projects? Plugin Lineup
Tone Projects is a small Denmark-based plugin brand. They develop high-quality limiters, EQs, compressors, saturators, and bass processing tools praised by professional engineers.
The current lineup consists of 6 products. With the new Uni-L Master Limiter added, all titles are well-rounded tools usable across genres.
| Uni-L Master Limiter | Master Limiter (NEW) |
| Michelangelo | Tube-style stereo EQ |
| Basslane Pro | Low-end stereo control |
| Basslane | Free bass-width control |
| Unisum Mastering Compressor | Mastering compressor |
| Kelvin Tone Shaper | Dual-stage saturator |
Uni-L Master Limiter (NEW)
Uni-L is a modern master limiter that lets you push loudness while keeping the purity and dynamics of the source.
At its core is wideband limiting intelligently controlled per frequency band via multiband detection. The release behavior and limiter response of the low, mid and high bands can be set independently. Furthermore, slow limiter, fast limiter and clipper are combined as a three-stage process, and the gain reduction handled by each stage can be tuned in detail. For example, you can easily achieve things like “keep groove by slowing the release only in the lows, and add bite by clipping only the highs.”
With the transient detection feature, you can route only specific transients such as snares and kicks into the clipper to add punch. Quick Start presets with macro sliders are also provided, accommodating both fast results and deep tweaking.
Main features:
- Wideband limiting with multiband detection (independent Low/Mid/High timing)
- Two-stage slow + fast limiter and integrated clipper
- Up to 32x linear-phase oversampled clipping
- Transient detection to route specific hits to the clipper or fast limiter
- True Peak mode and built-in EBU R128 LUFS meter
- Low-band Stereo Link for the lows only
- Quick Start presets with macro sliders for fast operation
Michelangelo
Michelangelo is a tube-style stereo EQ that imparts the warmth and rich harmonics characteristic of vacuum tubes.
It features 4 main bands (Low / Mid / High / Air) plus 2 switchable bands between narrow bell, wide bell and shelf. In addition to frequency and gain, every band offers Mid/Side panning, separate Transient/Body controls, and per-band tube Drive.
The Transient/Body separation is especially powerful. For example, you can lift only the air without harshness by excluding the high boost from the transients, or emphasize punch by lifting only the transients. Each band can also be assigned a compressor or expander, behaving as a dynamic EQ or multiband dynamics. You can blend Triode and Pentode and dial in natural tube-style compression, allowing everything from natural tone to bold coloration.
Main features:
- 4-band color EQ + 2-band narrow/wide/shelf-switchable bands
- Per-band Mid/Side Mix, Transient/Body Mix and tube Drive
- Analog-style dynamic EQ available on every band
- Triode / Pentode tube blend
- Sound-stage control for crosstalk and channel error
- HP/LP filters, Auto-Gain, A/B preset switching
Basslane Pro
Basslane Pro is a plugin for precisely controlling low-end stereo width so the low end stays powerful on any playback system.
The core function lets you transparently narrow or widen the stereo image below a chosen frequency using linear-phase processing. Mono Recovery detects out-of-phase content of wide synth bass that would disappear in mono, and lets you blend it back so low-end impact survives mono playback.
Stereo Harmonics keeps the sub band safely mono while widening only the harmonics above it, adding natural width and presence to the lows. Two Unisum-based multiband dynamics blocks let you tighten the lows or tame side-channel movement easily. Analog-style resonant HPF and a low-end-focused peak limiter are also included, covering virtually every step needed to shape the low end.
Main features:
- Switchable linear-phase / zero-latency stereo width control
- Mono Recovery prevents loss of out-of-phase lows
- Stereo Harmonics for natural low-end width
- Unisum-based multiband dynamics (Side / Stereo modes)
- Analog-style resonant HPF + low-end-focused peak limiter
- 5-band stereo balance and correlation meter
Basslane (Free)
Basslane is a simple free plugin that narrows the stereo width below a chosen frequency to bring lows to the center.
It lets you pull muddy or overly wide low end (caused by stacking kicks, basses, stereo material, delay or reverb) back to the center with one-knob feel. Side Harmonics inherited from Basslane Pro keeps the sub band safely mono while adding harmonics above it to the sides to create a faux bass width. A stereo balance and correlation meter is included so you can visually monitor low-end stereo processing.
Main features:
- Variable narrowing of stereo width below the chosen frequency
- Side Harmonics for faux low-end width
- Built-in stereo balance and correlation meter
- Filter and Mid/Side solo monitoring
Unisum Mastering Compressor
Unisum is a mastering compressor with a new topology that combines transparent sound with detailed control.
Internally it behaves as a wideband compressor, but the side-chain uses a unique 3-band multiband detection with parallel RMS / Peak detectors for each band. You can set Threshold, Ratio and Attack/Release per frequency band, allowing tuning like “deeper and slower on the lows, lighter and faster on the highs” without introducing crossover artifacts.
Attack/Release curves and the linear-to-logarithmic balance of release are continuously variable. Transient Override changes timing only for large transients, and Memory Effect emulates opto-style program-dependent behavior, letting you sculpt the compressor’s response in detail. The HYGGE circuit instantly adds tube- and transformer-like warmth and density, so you get clean tone and character coloration from one unit.
Main features:
- 3-band multiband detection side-chain (RMS + Peak)
- Frequency-dependent Threshold / Ratio / Attack / Release
- Continuously variable Attack/Release curves and linear-log release
- Transient Override, Memory Effect and HYGGE circuit
- Stereo / Mid-Side switching and fine channel linking control
- Loudness-based Auto-Gain and linear-phase oversampling
Kelvin Tone Shaper
Kelvin is a saturator for tone-making that combines two saturation stages with analog-style EQ.
Its biggest feature is the ability to freely combine 10 saturation models including Transformer, Tube and Diode across two stages. You can place them in series, parallel or Mid/Side, so layered treatments like “add transformer low-end body in stage 1, then color the highs with a tube in stage 2” become possible.
Before and after the input there are analog-style shaping filters and Pultec-style passive low / high bands. The frequency range sent into saturation and the final tonal balance are controlled separately, supporting everything from delicate mastering to creative sound design. It also includes Spread for natural stereo width via tiny harmonic differences between channels, De-Fuzz to keep high-end distortion clean, and a soft clipper for peak shaping.
Main features:
- Two saturation stages routable in series / parallel / Mid-Side
- 10 saturation models including Transformer / Tube / Diode
- Pultec-style passive low / high bands as a tone shaper
- Spread for natural stereo, De-Fuzz to tame high-end grit
- Soft clipper, Auto-Gain and dry/wet control
- 4 quality modes with linear-phase oversampling
Summary
That covers the latest Tone Projects sale info. We hope this article was helpful.