Crown VRACKHD4FX Complete HD4 Vrack
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- Brand new in original box
- Full Crown manufacturer's warranty
- Free shipping in the continental US
In stock
- SKU
- VRACKHD4FX
. Description
Crown VRACKHD4FX Complete HD4 Vrack
The Crown VRACKHD4FX is a fully integrated rackmount amplification and power distribution system engineered for recording studios, live rooms, and post-production facilities requiring transparent, high-headroom audio amplification across multiple channels. This compact yet powerful unit consolidates three Crown 3500HD amplifiers with integrated I/O management, eliminating the need for separate amp units and external switching gear. Built for studio engineers, installed systems, and rental facilities, the Vrack delivers professional-grade amplification in a single 4U footprint, streamlining session workflow and reducing cable clutter in the machine room.
Recording & Monitoring Performance
The system achieves a signal-to-noise ratio of ≥108dB and total harmonic distortion of 0.35%, ensuring pristine audio reproduction during tracking and monitoring sessions at extended operating levels. With a damping factor exceeding 5000, the amplifiers maintain tight control over speaker loads across the full frequency spectrum, delivering the accuracy required for critical listening, mastering reference, and live-room recording applications.
Connectivity & Studio Integration
Four discrete input and output pairs support analog, AES 3 digital, VDrive, and CobraNet protocols, allowing seamless integration into networked studio systems or traditional analog console chains. The HiQnet Performance Manager™ software provides comprehensive control and real-time monitoring of all amplifier parameters from the control room, while adjustable sensitivity from 1.28Vrms to 8Vrms in 0.1dB increments accommodates virtually any source impedance, console output level, or interface gain structure used in modern production environments.
Key Features
- Three integrated Crown 3500HD amplifiers in single 4U chassis
- Signal-to-noise ratio ≥108dB for transparent audio delivery
- Total harmonic distortion: 0.35%
- Damping factor >5000 for precise speaker control
- Four input and four output channels with analog, AES 3, VDrive, and CobraNet support
- Adjustable sensitivity from 1.28Vrms to 8Vrms in 0.1dB increments
- HiQnet Performance Manager™ software for remote monitoring and control
- Power Factor Correction technology
- Global power supply: 100-240VAC, 50/60 Hz (±15%)
- Operates on both U.S. (120VAC) and European (220-240VAC) standards
- Integrated power distribution eliminates external components
- Professional rackmount form factor for fixed installations and touring applications
The VRACKHD4FX represents Crown's commitment to delivering integrated amplification solutions that reduce system complexity while maintaining the transparent, low-distortion performance essential for professional recording, monitoring, and playback in studio environments worldwide.
More Information
| Condition | New |
|---|---|
| Country of Manufacture | Mexico |
Reviews
At a Glance
The Crown VRACKHD4FX consolidates three professional amplifiers into one 4U rackmount unit, offering studio-grade transparent reproduction with a signal-to-noise ratio of 108dB and 0.35% THD for clean, accurate monitoring and tracking in recording sessions. Its integrated power distribution, adjustable gain from 1.28Vrms to 8Vrms, and support for multiple protocols (analog, AES 3, VDrive, CobraNet) make it ideal for home studios and control rooms that need networked amplification without external switching gear. Choose this for sessions requiring pristine headroom, minimal coloration, and seamless integration into digital or analog workflows.
Who This Is For
Great for
- ✓ Live Performance
- ✓ Studio Sessions
- ✓ Touring
Skill level: Professional
Frequently Asked Questions
What makes the VRACKHD4FX different from using three separate Crown amplifiers?
The VRACKHD4FX integrates three Crown 3500HD amplifiers into a single 4U chassis with unified I/O management, power distribution, and HiQnet control, eliminating the need for separate units, external switching gear, and additional rack space. This consolidation reduces system complexity while maintaining full professional amplification capability.
What protocols and connectivity does this unit support?
The system provides four discrete input and output pairs supporting analog, AES 3 digital, VDrive, and CobraNet protocols, allowing integration into networked systems, traditional analog installations, or a mix of both.
How transparent and clean is the audio output?
The VRACKHD4FX achieves a signal-to-noise ratio of 108dB or better and total harmonic distortion of 0.35%, with a damping factor exceeding 5000 for precise speaker control across the full frequency spectrum, ensuring pristine audio even at extended operating levels.
Can I adjust the input sensitivity, and how flexible is the gain structure?
Yes, adjustable sensitivity ranges from 1.28Vrms to 8Vrms in 0.1dB increments, accommodating virtually any source impedance and allowing precise gain structure matching to your installation or mixing console.
Is this unit suitable for both touring and permanent installations?
Yes, the VRACKHD4FX is purpose-built for touring sound engineers, installed systems, and rental houses; it operates on both U.S. 120VAC and European 220-240VAC standards and includes HiQnet Performance Manager software for remote monitoring and control in any professional environment.
Do I pay sales tax on this order?
We collect sales tax only on orders shipped to California. Orders shipped to any other US state are charged $0 sales tax at checkout when you buy direct from our website. On this item that is roughly $4,181 less out the door than the same listed price at a national retailer or on a marketplace. Marketplaces such as eBay, Reverb and Amazon collect sales tax in nearly every state as marketplace facilitators no matter who the seller is, so the same item at the same price costs less bought direct. Free US shipping and 30-day returns are included. Some states ask buyers to self-report use tax on out-of-state purchases.
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