Is the Waves L4 Ultramaximizer Worth It? (Full Review + Sound Test)

The Waves L4 Ultramaximizer just dropped — and everybody’s asking the same thing:

Is it really worth it? Or is this just another shiny limiter with a new name?

As someone who’s used the OG Waves L2 for years — and tested the L4 on vocals, drums, full mixes, and even mastering for clients — I can confidently say: this is not a gimmick. This is one of the most versatile, powerful, and actually-useful plugins I’ve tried in a long time.

What Makes the L4 Stand Out?

Waves didn’t just repurpose the L2. They built the L4 from scratch, with modern production needs in mind:

• 🎛️ 4 Limiting Algorithms – Modern, Aggressive, Safe, Smooth + bonus L2 legacy mode
• 📈 Upward Compression – Boosts quiet details for density without messing with dynamics
• 📉 LUFS Metering – Helps you hit perfect loudness for Spotify, Apple Music, YouTube, etc.
• 🔊 True Peak Limiting – Avoid intersample distortion when converting to mp3/streaming
• 🎚️ Ultra-Low Latency – Makes it usable for tracking and live performance
• 🧠 Graph or Classic View – Choose how you visualize and dial in settings

My Honest Opinion After Testing It

I tested the L4 on a few mixes across different genres — melodic rap, acoustic vocals, dark trap, and even some indie-style beats. Here’s what stood out:

• ✅ Vocal bus = instant density without sounding over-compressed
• ✅ Drums hit harder with “Aggressive” mode, especially on 808s
• ✅ Mastering feels easier because of the LUFS readout + gain matching
• ✅ Upward compression actually works — great for dynamic verses & breakdowns

And let’s be real — the intro price of $49.99 is hard to beat.

Watch the Plugin in Action

How It Compares to the L2

The L2 will always be a classic — but it’s outdated for what we need today. The L4 keeps that clean, punchy sound but adds real-world tools for streaming, content creation, and more creative control.

And the bonus L2 mode is great if you still want that familiar tone.

Who Should Grab the L4?

• 🎤 Vocalists who want clean, loud vocals with control
• 🎹 Producers looking to compete with industry-level mixes
• 🎧 Mixing engineers who want to add polish without crushing dynamics
• 📀 Mastering engineers who want more LUFS precision and tonal options

So… Is It Worth It?

Short answer: Yes. 100% worth it.

This is a plugin I’ll keep in my chain for everything from vocal production to full mastering. It feels like Waves finally gave us a limiter built for today’s music.

And at $49.99, this is a no-brainer if you’re serious about improving your mixes.

🔗 Click here to try Waves L4 Ultramaximizer via my affiliate link.

Other Tools I Recommend:

• 🎧 Waves Ultimate Subscription – Get L4 + every plugin they make
• 🚀 DistroKid – Upload your music to Spotify, Apple Music, and more
• 🎬 CapCut – Create music promos, reels, and lyric videos with ease

Want to Hear It in My Music?

I’ve been using the L4 on my own tracks — especially for vocal bus processing and final mastering.

▶️ Stream my new single “All Away” on Spotify

And if you want help mixing your next song, I’m available for mixing and mastering here.