Fisher Impulse-AQ

The Fisher Impulse AQ is engineered for serious beach and water hunters who demand top performance in saltwater conditions. Using advanced pulse induction technology, it cuts through mineralized sand and surf where traditional VLF detectors struggle. With exceptional depth, fast response, and strong target separation, the Impulse AQ finds gold, coins, and relics that others miss.

Designed for precision and power, it features custome pulse delay, iron rejection, and tone ID—helping you focus on valuable targets. Lightweight, balanced, and waterproof up to 1 meter, the Impulse AQ is built for long days along the shoreline or in shallow water. Experience Fisher’s next generation of underwater detection built for professionals and passionate detectorists alike.
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Customer Questions & Expert Answers about the Fisher Impulse-AQ

Get real answers from outdoor explorers and our product experts. Browse questions about performance, features, and setup —or ask your own to make sure this gear fits your next adventure.

Find the Best Fisher Impulse-AQ

The Impulse AQ redefines beach and water metal detecting with extreme depth and precision in saltwater environments. Built on advanced pulse induction technology, it filters out black sand, salt minerals, and iron chatter while maintaining sensitivity to gold and small targets. Whether you're wading, diving, or sweeping the surf line, this detector delivers unmatched accuracy and quiet operation.

  • Pulse Induction Technology: Detect deeper in wet salt sand and mineralized conditions.
  • Iron Rejection: Reduce unwanted signals and focus on valuable finds.
  • Adjustable Pulse Delay: Fine-tune response for different target sizes and ground conditions.
  • Audio Target ID: Distinct tones for iron, gold, and other metals.
  • Waterproof Design: Submersible up to 1 meter, ideal for shallow surf and tidal hunting.

Key Specifications

Fisher Impulse AQ specificationsFeatureDetailsTechnologyPulse Induction (PI) for saltwater and mineralized soil stabilityWaterproof RatingUp to 1 meter (3 feet) — ideal for surf and shallow divingCoil TypeFully waterproof 12.5″ mono search coilBattery LifeUp to 10 hours runtime with rechargeable lithium packWeightApprox. 4.2 lbs (1.9 kg) with coil and battery

Popular Impulse AQ Upgrades

Why Buy from Serious Detecting

  • Fast, free U.S. shipping on most orders
  • Authorized Fisher dealer with full manufacturer warranty
  • Exclusive bundles and seasonal promotions
  • Expert customer support from real detectorists

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