Presonus Quantum ES4 4 x 4 24-bit 192 kHz USB-C Audio Interface

The Culmination of 30 Years of Innovation - Presonus Quantum ES4 4 x 4 24-bit 192 kHz USB-C Audio Interface

The ES 4 features four newly redesigned high-definition MAX-HD mic preamps with +75 dB of gain – making it ideally suited for today’s most popular microphones. Guitarists and bassists will love the instrument inputs, which were co-developed with Fender engineers. An Auto Gain button sets the perfect gain level for your microphones and instruments, while an illuminated push encoder provides flexible control over gain level and output volume. And bright and responsive LED metering provides easy visual feedback for your inputs and outputs, making it great for self-produced recording.

• USB-C Audio Interface: 4 x 4, 24-bit / 192 kHz with high-performance converters for stunning clarity and fidelity.
• Custom Low-Latency Driver: Provides exceptionally low audio latencies during recording.
• PreSonus MAX-HD Preamp: Next-generation design offers transparency and accuracy with +75 dB of gain, ideal for modern recording and broadcast with a range of popular microphones.
• Auto Gain: Automatically sets the perfect gain level for microphones and instruments.
• Integrated Control: Manage your Quantum ES directly from Studio One and the Universal Control app, controlling preamp gain, phantom power, and more seamlessly.
• Speaker Switching: Enabled by Universal Control, allowing you to check mixes on different speaker sets easily.
• LED Metering: Bright and responsive, perfect for monitoring input and output levels when recording solo.
• Flexible Monitoring Options: Includes 2 balanced ¼-inch TRS main outputs, 2 balanced ¼-inch TRS line outputs, and 2 high-power headphone outputs. Built-in speaker switching for multiple monitor setups.
• Loopback Audio: Simplifies the creation of monitor and streaming mixes.

We are Musictoner Musictoner

Since 1958, Chuck Levin’s Musictoner has been the trusted destination for musicians and audio professionals across Maryland, Virginia, and Washington, D.C. Family-owned and operated, our legendary music store delivers Everything in Music®—from instruments and recording gear to pro audio, rentals, and repair services.

Our team of musicians and industry experts lives and breathes gear, helping you build the perfect setup for your next performance, studio session, or installation. As an authorized dealer for top brands, we also offer our award-winning CHUCKSCLUSIVE line—exclusive, limited-edition instruments and collaborations recognized with the NAMM Top 100 Dealer Innovation Award for redefining what a music retail experience can be.

Chuck Levin’s isn’t just a store—it’s a community built by players, engineers, and creators who share a lifelong passion for sound. Stop by our legendary Wheaton, MD showroom or contact us anytime for expert advice, product questions, or the best possible deal on your next piece of gear.