

Unparalleled beach and underwater treasure hunting with the Fisher Impulse AQ – the ultimate Pulse Induction metal detector for depth, precision and performance in difficult grounds.
Discover unparalleled beach underwater treasure hunting with the Fisher Impulse AQ Metal Detector! Designed for serious adventurers, this high-performance Pulse Induction detector offers exceptional depth, sensitivity, and precision, perfect for finding gold, relics, and coins in even the toughest conditions. Dive into the ultimate treasure-hunting experience today!
The Impulse AQ ® Limited is designed to be an instant classic, designed for the demanding beach-hunting enthusiast, emerging from the collaboration of Fisher Research Labs and Alexandre Tartar.
LIMITED SUPPLY
TECHNICAL SPECIFICATIONS
Feature | Specification |
---|---|
Operating Principle | Pulse Induction |
Pulse Frequency ALL METAL MODE | 4.02kHz – 4.17kHz |
Pulse Frequency TONE & MUTE MODES | 3.04kHz – 3.12kHz |
Pulse Frequency VOLCANIC SAND MODE | 1.54kHz – 1.56kHz |
Pulse Delay, adjustable | 7μs – 11.5μs |
Audio tones | Multitone / Mute |
Audio output | Headphones |
Search Coil | 12.5” mono |
Weight | 4.2 lbs. (12.5” DF coil) |
Length | 43-48’’, adjustable |
Batteries | NiMH 2200 mAh |
Battery Pack life | Approx 3.5 Hours |
Warranty | 2 Year Limited Warranty to Original Purchaser by Fisher Labs |
Waterproof | Yes |