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    • Minelab VANQUISH 340 Metal Detector with 10 inch coil
    • Minelab VANQUISH 340 Metal Detector open box package
    • Minelab VANQUISH 340 control panel display and buttons
    • Minelab VANQUISH 340 Metal Detector collapsed for storage
    Sale!

    Minelab VANQUISH 340 Metal Detector (Open Box)

    Vendor: Minelab Type: Metal Detectors
    SKU: OBWS 3820-0001
    Sale Price $179.10 Regular Price $199.00
    Shipping calculated at checkout.

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    The Minelab VANQUISH 340 Metal Detector delivers professional Multi-IQ technology at an entry-level price point, making it one of the most popular choices for new detectorists hunting coins, jewelry, and relics. This open box unit offers the same performance and full warranty as a new detector while saving you money.

    Minelab VANQUISH 340 Metal Detector Overview

    Minelab built the VANQUISH 340 to bring their proven Multi-IQ technology — originally developed for the premium Equinox series — down to an affordable price point. The detector combines multiple frequencies simultaneously, giving you better target identification and depth than traditional single-frequency detectors. It's lightweight at just 2.3 pounds and collapses for easy transport, but don't let the simple operation fool you — the technology inside is serious.

    Key Features

    • Multi-IQ Technology: Combines multiple frequencies for better target separation and depth than single-frequency detectors

    • Three Detection Modes: COIN, JEWELRY, and RELIC modes optimize settings for different types of hunting

    • 10" Waterproof Coil: Takes you from dry land to shallow water and wet sand without worry

    • Lightweight Design: 2.3 pounds won't tire you out during long hunting sessions

    • Iron Discrimination: Filters out most junk targets so you dig fewer bottle caps and nails

    • Collapsible Shaft: Breaks down for storage and transport in small spaces

    What's Included

    • Minelab VANQUISH 340 Metal Detector with collapsible shaft

    • 10" waterproof search coil

    • 4 x AA alkaline batteries

    • Three-year limited manufacturer's warranty

    • User manual and quick start guide

    Who This Bundle Is Best For

    • Budget-conscious beginners who want proven Multi-IQ technology without paying full retail price

    • Experienced detectorists looking for a backup detector or loaner for friends

    • Anyone who wants to try Minelab metal detectors before investing in a higher-end model

    Where You Can Use the Minelab VANQUISH 340

    The waterproof coil lets you hunt parks, sports fields, beaches, and even shallow water up to the control box. You'll find coins in old picnic areas, lost jewelry at beaches, and relics around historical sites.

    How the Minelab VANQUISH 340 Finds Hidden Metal

    The detector transmits multiple electromagnetic frequencies simultaneously through the coil. When these signals hit buried metal objects, they bounce back with different characteristics depending on the type and size of metal. The control unit analyzes these return signals and provides audio tones plus visual target ID numbers to help you decide whether to dig.

    Understanding Open Box Detectors

    Open box detectors had minor damage to packaging. Each detector is thoroughly tested and restored to like-new condition before being offered for sale. You get the same performance, features, and full manufacturer's warranty as a new detector, but at a reduced price. This makes open box units an excellent way to access quality metal detectors while staying within budget.

    Treasure Hunting Tips for Beginners

    • Start in COIN mode at parks and schools — it's optimized for the most common valuable targets

    • Dig all repeatable signals when learning — you'll quickly understand what different targets sound like

    • Hunt after rain when the ground is moist for better depth and signal clarity

    • Focus on areas where people naturally gather: park benches, sports fields, swimming areas

    • Keep your coil low and sweep slowly — rushing leads to missed targets

    • Research old maps to find forgotten picnic areas, fairgrounds, and gathering spots

    • Join local metal detecting clubs to learn productive hunting locations and techniques

    Minelab VANQUISH 340 vs Other Entry-Level Detectors

    Most beginner metal detectors use single-frequency technology, which works but has limitations in challenging ground conditions. The VANQUISH 340's Multi-IQ technology automatically handles different soil types and provides better target separation around trash. This means you'll find more good targets and dig less junk compared to basic single-frequency detectors in the same price range.

    Specifications

    • Technology: Multi-IQ simultaneous multi-frequency

    • Search Modes: Coin, Jewelry, Relic

    • Target ID: 0-99 scale with audio tones

    • Coil: 10" round DD waterproof

    • Weight: 2.3 pounds (1.05 kg)

    • Length: Adjustable 43-53 inches (109-135 cm)

    • Batteries: 4 x AA alkaline (8+ hours runtime)

    • Warranty: 3 years manufacturer coverage

    Why Buy Your Metal Detector From Us

    We're authorized Minelab dealers with decades of metal detecting experience. Every open box detector is thoroughly tested and comes with the same manufacturer's warranty as new units. You'll get fast shipping, expert support, and the confidence that comes from buying from serious detecting specialists who actually use this equipment in the field.

    Compare Minelab VANQUISH 340 Bundles

    Bundle

    Key Accessories

    Best For

    Minelab VANQUISH 340 Metal Detector

    Detector and 10" coil only

    Basic setup, minimal accessories needed

    Minelab VANQUISH 340 with Carry Bag

    Carry bag for transport

    Hunters who travel to different locations

    Minelab VANQUISH 340 with Pro-Find 40

    Pro-Find 40 pinpointer

    Faster target recovery and precise locating

    Minelab VANQUISH 340 Complete Bundle

    Pro-Find 40 pinpointer, carry bag

    Complete setup with all accessories

    Product Specifications
    Specification Name Specification Value
    Adjustable shaft Yes
    Arm rest Adjustable
    Arm rest strap Yes
    Assembled length max in 57
    Assembled length min in 30
    Audio tones Yes
    Backlit display No
    Battery quantity 4
    Battery type AA Alkaline Replaceable
    Depth indication true
    Display type LCD
    Ground balance Fixed
    Interchangeable search coil Yes
    Metal detector category Treasure & Relic Detectors
    Metal detector model Minelab Vanquish Series and Minelab Vanquish 340
    Metal detector type Metal Detectors
    Metal detector usage Suitable for Kids and Beginner / Intermediate
    Operating principle Multi-Frequency (MF or SMF)
    Phone app No
    Pinpoint mode No
    Rechargeable No
    Search coil build Open
    Search coil shape Semi Elliptical
    Search coil size 10"
    Search coil type Double-D (DD)
    Search modes 3
    Search mode types Coin, Jewellery, and All Metal
    Target id Yes
    Target id segments -9 to 40
    Technology VLF Multi-IQ
    Vibration mode No
    Volume control Yes
    Warranty 3 Years
    Water resistance Waterproof Coil
    Wireless Wired
    Power source Batteries
    -
    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 Questions & Expert Answers about the Minelab VANQUISH 340 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.

    Customer Reviews & Field Feedback for the Minelab VANQUISH 340 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.

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