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Fisher Impulse-AQ Limited Pulse Induction Waterproof Metal Detector (Open Box)

Vendor: Fisher Type: Metal Detectors

SKU: OBWS IMPULSE-AQ-NMH

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$1,799.10 ~~$1,999.00~~

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Open Box

The Impulse AQ Limited features the latest advancements in Pulse Induction technology and lightweight design. The Impulse AQ Limited excels in fresh and saltwater and volcanic sand. It is designed for beach-hunting, wading, and shallow-water treasure hunting. The Impulse’s pulse induction design sets a new standard for uncovering treasure on saltwater beaches. The Impulse delivers the deepest detection of any detector. The Impulse operates stable and consistently in the most challenging marine environments where all other detectors fail. The Impulse has variable Iron Reject which identifies many iron targets, especially nails. The Impulse-AQ delivers maximum sensitivity with lightning-fast recovery speed to find long-lost treasure buried in iron-infested beaches. Find DEEP GOLD that no other detector can reach.

Features:

Pulse Induction Technology
High sensitivity to gold targets
Variable reactivity
Excellent stability
Handles a variety of beach environments
Iron rejection
Frequency offset for EMI suppression
Pulse Delay, adjustable: 7μs – 15μs
Zero Target Separation – ZTS®
Highly Reactive System HRS®
Low fatigue, ergonomic design
5 Year Limited Manufacturers Warranty

Adjustable ATS to Manage:

Target separation
Depth detection
Iron rejection
Ground noise
Surf conditions
EMI

Pulse Frequency

All Metal Mode: 4.02kHz - 4.17kHz
Tones & Mutes Mode: 3.04kHz - 3.12kHz
Volcanic Sand Mode: 1.54kHz - 1.56kHz

Product Specifications

Specification Name	Specification Value
Audio output	Headphones
Audio tone	Multitone
Frequencies	4.02kHz - 4.17kHz, 3.04kHz-3.12kHz, 1.54kHz-1.56kHz
Metal detector category	Treasure & Relic Detectors, Beach & Underwater Detectors, and Gold Prospecting Detectors
Metal detector model	Fisher Impulse-AQ
Metal detector type	Metal Detectors
Metal detector usage	Advanced / Expert
Operating principle	Pulse Induction
Search coil	12.5" mono
Warranty	2-year Limited
Waterproof depth rating	3 Feet
Water resistance	Waterproof Coil
Weight	9
Color pattern	Black, Gray, White
Detector sensitivity	Adjustable
Frequency type	Selectable
Power source	Battery-powered
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Service & Support

Warranty & Product Assurance

At Serious Detecting, we stand behind the quality of every product we offer. Warranty coverage is provided directly by the manufacturer and may vary depending on the item. We’re here to help you understand your coverage and assist with the warranty process when needed. If you ever have questions or need support navigating a warranty claim, our team is happy to guide you.

Technical Support & Expert Guidance

Whether you’re setting up new gear, optimizing performance, or troubleshooting an issue in the field, our knowledgeable support team is here to help. We use this equipment ourselves, so we can offer real-world tips and step-by-step assistance to get you detecting with confidence. Message us anytime and we’ll do our best to get you pointed in the right direction fast.

Manuals, Resources & Downloads

Access user manuals, setup guides, safety tips, and technical documentation in our online support center. These resources help you understand your equipment, learn recommended settings, and get the most out of every hunt.

Replacement Parts & Accessories

Keep your equipment running strong with genuine parts and accessories. We carry coils, batteries, chargers, protective gear, digging tools, and more — fully compatible with your detector and backed by manufacturer standards. Not sure what fits your model? Just ask — we’re here to help.

Training & Tutorials

New to detecting or upgrading to advanced equipment? Our resource library includes helpful guides, maintenance tips, how-to videos, and expert advice from experienced detectorists. From ground balancing and coil choices to target ID basics and field technique, you’ll find the knowledge you need to level up your success.

Customer Reviews & Field Feedback for the Fisher Impulse-AQ Limited Pulse Induction Waterproof Metal Detector (Open Box)

See what real detectorists and prospectors are saying. Read authentic experiences from the field, discover what users love most, and learn how this product performs in real-world conditions. Share your own review to help fellow explorers choose with confidence.

Customer Questions & Expert Answers about the Fisher Impulse-AQ Limited Pulse Induction Waterproof Metal Detector (Open Box)

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.