Digitech Studio Quad 4x4 Multi-Effects Processor Rack with Power Supply

Unlock powerful rackmount processing with the Digitech Studio Quad Multi-Effects Processor, a versatile 4-in/4-out effects unit built for both studio production and live performance. Powered by Digitech’s S-DISC II DSP engine, this unit delivers flexible routing and a wide array of professional-grade effects.

With four independent inputs and outputs, the Studio Quad allows you to run multiple signal chains simultaneously—perfect for complex rigs, multi-instrument setups, or advanced studio routing. Effects can be configured in series, parallel, or hybrid paths, giving you deep control over your sound design.

Key Features

  • 4 inputs / 4 outputs for advanced routing setups

  • S-DISC II DSP engine for powerful multi-effects processing

  • 100 factory presets + 100 user patches

  • Flexible routing: series, parallel, or hybrid configurations

  • Full MIDI control for integration with rigs and DAWs

  • Wide range of effects including:

    • Reverb, delay, chorus, flanger, phaser

    • Tremolo, auto-pan, rotary speaker simulation

    • Pitch shifting, vocoder, reverse delay

    • Compression and EQ

Audio Specs

  • 20-bit A/D conversion

  • 24-bit internal processing

  • 44.1 kHz sample rate

Condition

  • Previously used with cosmetic wear consistent with rack use

  • Fully operational and functions as intended

Includes

  • Power supply

A powerful and flexible rack FX processor, ideal for musicians, engineers, and producers looking to add multi-channel effects processing and creative routing to their setup.

  • At Tone House, we're not just sellers, we're passionate musicians, gear aficionados, and seasoned professionals dedicated to the craft of making music. We take pride in our curated music collection. We love giving these vintage and rare pieces new life through maintenance and upkeep. Our goal is for these units to be at their optimal performance before going to their new homes.  Every item you acquire from us undergoes a meticulous inspection process conducted by our team of enthusiasts, studio engineers, and live performers. With full-time technicians on staff, rest assured that each piece is thoroughly examined and tested before being professionally packed.

All orders placed by 2 pm are processed the same day. This ensures that your gear is swiftly prepared for shipment, guaranteeing prompt delivery in the condition promised. Once your order is in transit, automatic tracking information is provided, allowing you to monitor its journey from our shop to your doorstep with ease.

The units/items you see in our pictures are precisely what you'll receive. Have questions? Feel free to ask before making a purchase. Additionally, we offer custom modifications, within reason, to many of the guitars and products we sell, ensuring they perfectly suit your unique requirements.

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Please note that additional shipping charges may apply to buyers in Hawaii, Alaska, Puerto Rico, and the Virgin Islands. Feel free to contact us for shipping rates before making your purchase.

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