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AUDIOQUEST PowerQuest 303
Power conditioner and advanced protection.
Protection without compromise: withstands spikes up to 6000 V / 3000 A
Automatic shutoff from 140 V, instant restart
12 outlets (8 filtered + 4 high-current for amplifiers/subwoofers)
Linear noise filtering: improves audio and image
Detachable 2 m cable, compatible with rack mounting (2U)
Maximum current: 15 A
Response time: < 0.25 s
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AudioQuest PowerQuest 303: Comprehensive Power Protection and Conditioning for High-Performance AV Systems
The AudioQuest PowerQuest 303 is far more than a simple surge protector. This advanced power conditioner is designed to safeguard sensitive equipment from voltage spikes while optimizing the electrical performance of audio and video systems by delivering clean, stable, and interference-free power.
Unlike standard power strips or conventional sacrificial surge protectors, the PowerQuest 303 features non-sacrificial protection, meaning it can withstand multiple surge events without degrading or requiring replacement. In addition, it effectively filters electrical line noise, enhancing image and sound quality in TVs, amplifiers, DACs, and other AV components.
Non-Sacrificial Protection with Automatic Shutoff
The PowerQuest 303 is engineered to handle surges up to 6000 V / 3000 A, matching the tolerance limit of typical home installations. Its safety system monitors the power line in real time, and if voltage exceeds 140 V, it shuts off power in under 0.25 seconds to protect your gear. Once voltage returns to safe levels, the system automatically powers back on.
This non-sacrificial design extends the lifespan of the protector, offering continuous protection without the need for replacement after a surge.
Linear Noise Filtering: Enhanced Audio and Visual Performance
PowerQuest’s linear noise filtering system eliminates differential-mode interference, cleaning the power supply to your components. The result is clearer sound, sharper video, and reduced electromagnetic distortion—critical for Hi-Fi systems, home theaters, and studio equipment.
12 Optimized Outlets for Your Entire System
The PowerQuest 303 features a versatile 12-outlet configuration:
8 linear-filtered outlets: ideal for digital sources, DACs, media players, TVs, computers, routers, or gaming consoles.
4 high-current outlets: specifically designed for power amplifiers, powered subwoofers, or active speakers—delivering unrestricted performance.
Rack-Ready and Installer-Friendly Design
This power conditioner includes a high-quality detachable power cable (6.5 ft / 2 m) engineered to minimize RF noise. It comes with rack-mounting brackets (2U) and pre-installed rubber feet, offering convenient and flexible installation in both home and professional setups.
Technical Specifications AudioQuest PowerQuest 303
Total outlets: 12 (8 linear-filtered, 4 high-current)
Protection system: Non-sacrificial, up to 6000 V / 3000 A
Overvoltage shutoff: Triggers at ≥140 V, automatic reset
Noise filtering: Linear PowerQuest (differential mode)
Max current: 15 A
Response time: < 0.25 seconds
Dimensions (W x H x D): 43.4 x 8.9 x 39.5 cm
Weight: 4.6 kg
Power cable: Detachable, 2 m (6.5 ft)
Rack mountable: Yes (2U space, brackets included)
Warranty
PowerQuest 303: 5 years
Connected equipment: Up to $1,000,000
Maximum Safety and Performance for Your System
The AudioQuest PowerQuest 303 is the ideal solution for those seeking advanced electrical protection and clean power delivery. Whether you're running a high-fidelity audio setup or a home theater system, this conditioner guarantees enhanced stability, longevity, and a noticeable improvement in both audio and video quality.
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