AudioQuest PowerQuest 303 Power Conditioner

AudioQuest PowerQuest 303 features twelve total AC outlets including four high-current outlets for power amplifiers and eight linear-filtered outlets for source components, linear noise-dissipation providing over 22 dB of differential-mode filtering from 30 kHz to 1 GHz, non-sacrificial surge protection handling up to 6,000-volt spikes, extreme voltage shutdown at 140 VAC, and a detachable two-meter PQ-415 power cable with long-grain copper conductors. Designed as a comprehensive power conditioning solution, it cleans incoming AC power to shield sensitive hi-fi electronics from line noise without restricting current delivery. Included 2RU rack ears and a compact form factor allow easy integration into home audio systems.

Professional reviewers and owners praise the unit for delivering immediate gains in background silence, soundstage clarity, and dynamic depth. Review consensus notes tighter bass response and improved detail retrieval across connected components, particularly in environments with dirty power lines. Users highly value its non-sacrificial protection, noting long-term reliability and complete peace of mind during voltage spikes. Overall, it enjoys a stellar reputation as an effective and dependable power upgrade.

Unlocking the true fidelity of your high-performance audio equipment requires a clean, stable electrical foundation. By purifying incoming current and guarding against destructive power spikes, this conditioner ensures every musical detail reaches your speakers as intended. Adding it to your audio rig secures the quiet, protected performance your system deserves.

Brand	AudioQuest
Type	Power Conditioners
Component Color	Black
MSRP	$529.00
Serial #	23JC00478
Cosmetic Rating	8 - Very good condition with minimal visible cosmetic wear including minor blemishes and scratches on top surface. Despite these cosmetic imperfections, this conditioner works well and will make a fine addition to any setup.
Functional Notes	Operational condition of this item is excellent, fully tested and no issues found.
Age	2 years
Owners	1
Service History	None