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Overview

AudioQuest Niagara 5000 Power Conditioner & Surge Protection

12 outlets | 90+ amp transient current reservoir | Ultra-Linear Noise Dissipation | Non-sacrificial surge protection

The AudioQuest Niagara 5000 is a reference-level AC power conditioner designed for high-performance two-channel audio, home theater, and complex A/V systems. Sitting between the Niagara 3000 and flagship Niagara 7000, it significantly increases outlet capacity and current delivery while incorporating AudioQuest’s advanced AC Ground-Noise Dissipation and Ultra-Linear Noise-Dissipation technologies.

At the heart of the Niagara 5000 is AudioQuest’s Transient Power Correction circuit, providing an instantaneous current reservoir of more than 90 amps peak for up to 25 milliseconds. Rather than restricting current to large power amplifiers, the system is specifically engineered to provide a low-impedance source during demanding musical transients.

Key Features

  • 12 AC outlets: Expanded capacity for larger audio and home theater systems.
  • 90+ amp peak current reservoir: Transient Power Correction supplies more than 90 amps peak for up to 25 mS.
  • Patented Ground-Noise Dissipation: Designed to reduce ground-borne noise and associated distortion.
  • Ultra-Linear Noise-Dissipation: Differential- and common-mode filtering across a wide bandwidth.
  • AQ-formed RF filtering capacitors: Designed for improved linearity and reduced AC line and radio-frequency noise.
  • Direction-controlled solid wiring: Ultra-low-resistance internal wiring optimized for RF noise dissipation.
  • Non-sacrificial surge protection: Protects connected equipment without relying on sacrificial components that degrade after significant surge events.
  • Over-voltage shutdown: Automatically disconnects connected equipment during dangerous sustained voltage conditions and resets when safe operating conditions return.
  • Zero Ground-Contamination Technology: Prevents surge energy and noise from being dumped onto the AC ground.

More Current for Demanding Amplifiers

The Niagara 5000 is particularly well suited to systems built around large power amplifiers, monoblocks, powered subwoofers, and other current-demanding components.

AudioQuest emphasizes that Transient Power Correction does more than minimize current compression. The circuit provides an ultra-low-impedance buffered source capable of supplying over 90 amps peak during short-duration AC current transients.

That represents a significant step up from the 55+ amp peak reservoir of the Niagara 3000 and makes the 5000 a logical choice for larger reference-level systems.

Ultra-Linear Noise Dissipation

Sensitive source components have different power requirements than large amplifiers.

The Niagara 5000 uses AudioQuest's Ultra-Linear Noise-Dissipation technology to address both differential- and common-mode AC noise while maintaining a linear response across varying line and load impedances.

AudioQuest also uses specially formed AC RF filtering capacitors and direction-controlled internal wiring to further dissipate radio-frequency noise that can enter a system through the AC line.

Comprehensive Equipment Protection

The Niagara 5000 combines performance-oriented AC treatment with non-sacrificial surge suppression and automatic over-voltage shutdown.

Instead of intentionally directing surge energy to the AC ground, AudioQuest's Zero Ground-Contamination technology is designed to prevent noise and surge energy from contaminating the ground connection shared by sensitive audio and video components.

Technical Specifications

Specification Details
Manufacturer AudioQuest
Series Niagara
Model Niagara 5000
Product type AC Power Conditioner / Low-Z Power Noise-Dissipation System
North American SKU NIAGARA5000USA
UPC 092592050457
Total AC outlets 12
Transient Power Correction Yes
Peak transient current reservoir 90+ amps
Transient duration Up to 25 mS
AC Ground-Noise Dissipation Patented system
Noise filtering Ultra-Linear Noise-Dissipation
RF filtering AQ-formed AC RF filtering capacitors
Internal wiring Direction-controlled ultra-low-resistance solid wiring
Surge protection Non-sacrificial
Over-voltage protection Automatic shutdown and reset
Ground protection Zero Ground-Contamination Technology
North American configuration Available
Current U.S. MSRP $6,900


Niagara 5000 vs. Niagara 7000

The biggest distinction between the Niagara 5000 and flagship Niagara 7000 is not simply outlet count or current capability.

The Niagara 5000 does not use the Niagara 7000's dielectric-biased symmetrical power isolation transformers. Those transformers provide the 7000 with an additional level of common-mode AC and RF noise dissipation for low-current source components.

There is also an interesting reason someone might deliberately choose the 5000. AudioQuest explains that some custom-install, professional-audio, and video components require more current than the 7000's isolation-transformer source banks provide. The 5000 therefore offers greater flexibility for certain large or complex systems.

AudioQuest itself describes the Niagara 5000 as delivering 90% of the source-component performance of the 7000 and 100% of its amplifier performance.

Where the Niagara 5000 Fits

Niagara 3000 Niagara 5000 Niagara 7000
Position High-performance Reference Flagship
Total outlets 7 12 12
Peak transient current 55+ amps 90+ amps 90+ amps
Ultra-Linear Noise Dissipation Yes Yes
Dielectric-biased isolation transformers No No Yes
U.S. MSRP $4,500 $6,900 $12,500

For larger systems, the Niagara 5000 occupies an important middle ground: substantially greater capacity and current capability than the Niagara 3000, while retaining a considerably lower price than the transformer-equipped flagship Niagara 7000.

Shop AudioQuest Niagara power conditioning at The Grid HiFi in Houston. Our team can help determine whether the Niagara 3000, 5000, or 7000 is best suited to your amplifiers, source components, and complete audio or home theater system.

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FAQs

Please read our FAQs page to find out more.

Do you price match?

Yes. We match any authorised dealer, including big-box retailers. If you find the same product at a lower price, contact us and we'll match it.

Do you offer free shipping?

Yes — free shipping on every order, with 2-day delivery available on most products. Easy returns and exchanges are included.

Where is your showroom?

We're at 6362 Alder Drive, Houston, Texas. The showroom lets you hear and compare reference-level systems in person before making any decisions. If you're considering a larger purchase or installation, it's well worth the visit.

Can I buy online without visiting the showroom?

Yes. The full product range is available through the online store with free nationwide shipping. For more complex system builds, speaking with one of our advisers first tends to lead to a better result.

Do you offer financing?

Yes. Special financing is available through the BrandSource Credit Card for qualifying purchases, allowing you to spread payments over time with no annual fee. Promotional rebate savings are also available periodically. See the financing page for full details.

Do you install systems as well as sell equipment?

Yes — installation is central to what we do. We design and install whole-home audio and video, home theaters, media rooms, outdoor audio, lighting and motorised shades, and full smart home automation.

Do you provide support after installation?

Yes. We provide ongoing service and support to ensure systems continue performing as intended — not just on installation day, but over the long term.