Presonus Quantum ES4 4x4 USB-C Audio Interface with Closed-Back Studio Headphones and 1/4 in. TRS to XLR Cables
Condition: Brand New in Original Packaging
SKU: PRE2777700504K1

  • PreSonus Quantum ES4 4x4 USB-C Audio Interface for Microphones with MAX-HD Mic Preamps
  • Professional Recording Software
  • Limited 1-Year Warranty
  • Knox Gear TX-100 Closed-Back Studio Monitor Headphones
  • 1/4-Inch Adapter
  • Limited 1-Year Warranty
  • Hosa HSX-010 Pro Balanced Interconnect Cable (10-Feet)

The Culmination of 30 Years of Innovation as the ES 4 features four newly redesigned high-definition MAXHD mic preamps with over 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. With the PreSonus Quantum ES4 4x4 USB-C Audio Interface 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.
High-Performance Signal Flow
Presonus' custom low-latency driver provides exceptionally low audio latencies when recording, and high-performance converters complete the front end to ensure that you sound your best throughout the entire signal chain.
All-New MAX-HD Mic Preamps
The Quantum ES4 features four newly designed mic preamps with Plus75 dB of gain. The high-definition MAX-HD preamps are transparent, low-noise, and digitally-controlled analog, making them ideally suited to today’s most popular microphones.
Co-Developed with Fender
Built by the best ears in the business, guitarists and bassists will love the instrument inputs, co-developed with Fender engineers industry experts who designed them specifically for guitar and bass.
Professional Recording Software Included
Leap into 6 months of Studio One plus with access to Studio One Professional Edition, add-ons, and more.
Auto Gain
An Auto Gain button sets the perfect gain level for your microphones and instruments, so you get the perfect take every time.
Universal Control App
Quantum works on any mobile or desktop device, so you’re ready to record whenever inspiration strikes whether on your phone, tablet, or in your home studio. Critical preamp functions like preamp gain, phantom power, and more can be controlled with the Quantum ES4’s flexible front panel, or right from Studio One and the Universal Control app, so you can dial in the perfect gain staging without looking away from your recording session.
Flexible Monitoring
Two balanced 1/4-inch TRS main outputs plus 2 balanced 1/4-inch TRS line outputs and 2 high-power headphone outputs for flexible monitoring. And built-in speaker switching lets you check your mix on multiple sets of studio monitors

  • Control your Quantum ES4 right from Studio One
  • 4 x 4, 24-bit or 192 kHz USB-C Audio Interface
  • Custom low-latency driver provides low audio latencies
  • 2 high-power headphone outputs for flexible monitoring
  • Built-in speaker switching
  • Loopback audio makes creating mixes easy

  • PreSonus Quantum ES4 4x4 USB-C Audio Interface for Microphones with MAX-HD Mic Preamps
  • Professional Recording Software
  • Limited 1-Year Warranty

Introduce your ears to a world of crystal-clear, expansive, high-fidelity audio with the TX-100 Closed-Back Studio Monitor Headphones from Knox Gear. These adjustable over-ear headphones are engineered for exceptional comfort, superior sound quality, and convenient portability anywhere you go. These headphones include a 1/4-inch adapter and feature an extra-long 10-foot cord for versatility.

Noise Blocking Closed-Back Design

Experience a crystal-clear high-fidelity audio soundscape with these closed-back headphones from Knox Gear. The TX-100s isolate your ears from unwanted external noise, preserving your bubble (and maybe your sanity) in loud environments. Closed-back headphones are the ideal listening companion when you want to isolate the most amount of external noise possible while keeping your focus dedicated solely to your audio of choice. The closed ear cups reduce the amount of outside sound that can seep in, making them the perfect choice for commuting and general noisy environments.

Powerful Bass with Clear Mids and Highs

Knox Gear headphones are engineered for maximum dynamic range and superior sound quality. 50 mm speaker unit drivers are coupled with neodymium magnets to deliver deep, rich bass, clear treble and vocals, and crisp high tones.

For Recording, Music Production, Gaming

No matter what your passion is, Knox Gear is the gear for your ears. Trusted by both audiophiles and professionals in the industry. The TX-100s are the perfect headphones for studio recording, production, gaming, and pure musical enjoyment.

Creating Better Soundscapes

Powerful 50mm drivers and neodymium magnets combine to enhance the full spectrum of your audio experience – from deep, lush basses and clear, wide mids to crisp, artifact-free high-ranges.

Comfort Makes the Difference

You won’t perform at your best or properly enjoy your music with hard, uncomfortable over-ears or earbuds. That’s why we’ve designed the TX-100 with super soft, ear-pampering ear pads and an elastic headband that adjusts to fit comfortably over any hairstyle, hat, or head shape. Whether you need headphones for all-day head-grooving, long hours in the studio, or a marathon gaming session, Knox Gear is here.

  • Closed-back design
  • 50mm speaker unit driver
  • Comfortable ear pads
  • Adjustable elastic headband
  • Includes 1/4-inch adapter
  • Extra long 10-foot cord

  • Knox Gear TX-100 Closed-Back Studio Monitor Headphones
  • 1/4-Inch Adapter
  • Limited 1-Year Manufacturer's Warranty

The Hosa HSX-010 Pro Balanced Interconnect Cable is designed to connect gear with balanced phone outputs to gear with XLR inputs. It is ideal for use in touring and other live-sound applications. It features REAN connectors for superior signal transfer and rugged durability. It is also equipped with 24 AWG Oxygen-Free Copper (OFC) conductors for enhanced signal clarity and also has a 90% OFC spiral shield for a higher signal-to-noise ratio.

  • Designed to connect gear with XLR inputs
  • REAN connectors for superior signal transfer
  • 24 AWG OFC conductors for enhanced signal clarity
  • 90% OFC spiral shield for a higher signal to noise ratio
  • Ideal for in touring and other live-sound applications

  • Hosa HSX-010 Pro Balanced Interconnect Cable (10 Feet)

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