PowerQuest 505 Power Conditioner
When it comes to optimizing the audio experience in your stereo systems, multi-channel home theaters, or custom installations, choosing the right power conditioner is essential. The PowerQuest 505 Power Conditioner is a cutting-edge solution that creates a solid foundation for exceptional audio performance.
Peak Performance
The PowerQuest 505 Power Conditioner adopts AudioQuest’s comprehensive approach to AC power conditioning. Its design is based on the concept of linear noise treatment, enabling first-order, wide-bandwidth noise reduction. This feature is crucial for ensuring optimal audio performance.
Reliable Protection
Protection is a top priority for the PowerQuest 505 Power Conditioner. Equipped with non-sacrificial surge protection and automatic shutdown in case of extreme voltages exceeding 140 VAC, it offers enhanced safety for your audio equipment. You can set it and forget it with peace of mind.
Tailored Power Supply
With a total of 7 AC outlets, the PowerQuest 505 Power Conditioner provides a power supply tailored to your needs. 3 high-current outlets are designed for amplification devices, while 4 linear-filtered outlets are dedicated to source devices. This distribution ensures an efficient and stable power supply, contributing to optimized audio performance.
Noise Reduction: An Absolute Priority
In the realm of audio, noise reduction is crucial for an optimal experience. The PowerQuest 505 Power Conditioner offers linear noise dissipation of more than -22 dB. It operates in differential mode from 30 kHz to 1 GHz and in common mode from 30 kHz to 100 MHz, ensuring remarkable audio performance.
PQ-715 Power Cord
The PowerQuest 505 Power Conditioner comes with the PQ-715 power cord, designed to deliver optimal performance. It features semi-solid concentric long-grain copper (LGC), ZERO-Tech technology, and RF/ND-Tech technology. With a NEMA male plug and IEC C-13 female connectors, this 2-meter power cord meets the demands of the most discerning audio installations.
Advanced Surge Protection
The PowerQuest 505 Power Conditioner offers advanced surge protection. Withstanding repeated 6000V/3000A input surge tests, it provides reliable protection for your valuable audio equipment. Additionally, it performs an extreme voltage shutdown at 140VAC to ensure the safety of your systems.
User reviews
Alain
Great product, exactly what I was expecting…. No more power strips exposed to all kinds of interference…. Honestly, I didn’t really believe it, but my system has improved and it’s not just hype 😂😂
Comment from June 08, 2026 — Experience from May 28, 2026
Automatically translated — Show original (French)
Super produit conforme à mes attentes…. Plus de multiprises exposées à tous les parasites…. Franchement, je n’y croyais pas trop mais mon système c’est amélioré et ce n’est pas du flan 😂😂
Menno
Unexpectedly big difference/improvement in sound
Comment from March 05, 2026 — Experience from January 22, 2026
Automatically translated — Show original (Dutch)
Onverwacht groot verschil/verbetering van geluid
Eric
Top product, extra safety and purity of sound.
Comment from March 05, 2026 — Experience from December 08, 2025
Automatically translated — Show original (Dutch)
Top produkt, extra veiligheid en klankzuiverheid.