Garrett Axiom Metal Detector with Dual Coils and MS-3 Headphones

The Garrett Axiom is a pulse induction gold detector for prospectors who have outgrown a VLF and want depth on small gold without fighting mineralized ground every step. This standard package ships with a 13 in x 11 in DD coil, an 11 in x 7 in mono coil, and Garrett's MS-3 Z-Lynk wireless headphones. It carries Garrett's 3-year manufacturer warranty and sits at the top of the Garrett Axiom metal detector lineup, above the Axiom Lite. Prospectors weighing the jump from single-frequency VLF machines to pulse induction can cross-shop the Axiom against other flagship detector models built for extreme ground conditions.

What's Included with the Garrett Axiom

• Garrett Axiom pulse induction control box on carbon-fiber S-shaft
• 13 in x 11 in DD-FC search coil with coil cover
• 11 in x 7 in mono search coil with coil cover
• MS-3 Z-Lynk wireless headphones
• External AA battery Power Pack
• Wall charger with international adapters
• 12V charging cables and adapter
• Soft carry case
• 3-year Garrett manufacturer warranty

Dual-Channel Ground Balance for Mineralized Goldfields and Saltwater Beaches

Mineralized Goldfields

Arizona caliche, Nevada hot ground, and the iron-stained washes of the Mother Lode can shut down a VLF inside ten minutes. The Axiom's Terra-Scan dual-channel ground balance reads two independent magnetic signatures at once, so as you move from a conductive layer into magnetic basalt, the threshold stays stable instead of chirping over every transition. Fine timing goes after the smallest pickers, while Normal timing reaches deeper nuggets without giving up too much on small gold. A good starting point is Mode: Fine for sub-gram work, Normal for deeper hunts, Sensitivity at 5 to 6 and drops to 4 in extreme ground, Ground Balance on Ground Grab then Slow Tracking, and Speed set to Medium. Black sand and alkaline desert dirt that would force a VLF into constant ground rebalancing or false signals get neutralized without manual intervention every few feet.

• Best for: Prospectors working Arizona, Nevada, and California goldfields where VLF machines chatter over hot rocks and magnetite.
• Less ideal for: Urban tot-lot coin shooting where a VLF's discrimination and target ID offer faster decision-making on clad versus trash.

Saltwater Beaches and Wet Sand

Salt and black sand are exactly where most VLFs surrender. Salt mode on the Axiom tunes pulse delays to ignore the conductive saltwater signal while still hitting lost rings and gold chains in wet sand and the swash zone. The mono coil delivers more raw depth on a clean signal and suits open beach. The control box is rainproof for surf-side work, and the coils are fully waterproof for wading. Start with Mode: Salt, Sensitivity at 5, Ground Balance on Auto dual-channel, and Speed set to Medium. Salt timing lets you work the surf line without the conductive salt masking targets; compare other machines built for wet conditions in our waterproof metal detectors collection.

Old Relic Sites with Iron in the Ground

PI detectors have a reputation for digging every nail in a homestead. The Axiom changes that math when paired with the 13 in x 11 in DD coil and Iron Check turned on. Iron targets get an audible flag, which lets you skip the obvious junk and dig the non-ferrous tones that matter. Start with Mode: Normal with Iron Check on when using the DD coil, Sensitivity at 5 to 6, Ground Balance on Ground Grab then Medium Tracking, and Speed set to Medium to Fast in iron-dense ground. This feature closes a real gap PI machines have long had against trashy relic ground.

Four Pulse Timings, 16-Hour Battery Life, and 4.2 lb Swing Weight

• Stable performance in heavy mineralization: Terra-Scan dual-channel ground balance keeps the threshold smooth across black sand, alkaline desert dirt, and hot rocks that would force a VLF into constant ground rebalancing or false signals.
• Four pulse timings tuned to the gold you are chasing: Fine, Normal, Large, and Salt modes let you match the machine to sub-gram pickers, deeper nuggets, or saltwater beach work without changing detectors.
• Iron Check on the DD coil: Pair the 13 in x 11 in DD with Iron Check and the Axiom audibly flags ferrous targets, which closes a real gap PI machines have long had against trashy relic ground.
• Sixteen hours of run time on the internal lithium-ion battery: Double the roughly 8 hours Minelab quotes for the GPX 6000, and the included AA Power Pack adds another six hours when you are deep in the backcountry.
• 4.2 lb swing weight with the 11 in mono coil: Garrett bills the Axiom as the lightest detector in its class, which matters on the eight-hour days this style of detecting demands. With the 13 in DD coil the weight climbs to 4.7 lbs, still manageable for full-day swings.

Compare within the family

The primary difference between these two packages is the headphone type and the coil pairing. The MS-3 wireless headphones eliminate the cable between the control box and your ears, which matters when you are threading through brush or working tight quarters. The DD coil in this package is the larger 13 in x 11 in footprint, which gives you Iron Check capability and broader ground coverage, while the mono is the smaller 11 in x 7 in for sub-gram sensitivity. The sibling package flips that pairing, shipping the larger mono and smaller DD. Both packages deliver the same four timing modes, the same Terra-Scan dual-channel ground balance, and the same 16-hour battery life. Prospectors who want wireless audio and the larger DD coil for Iron Check work pick this package; those who prefer wired headphones and the larger mono coil for raw depth pick the sibling.

Ultra Pulse Technology and Terra-Scan Explained

Pulse induction sends a current into the ground, shuts it off, and listens for the decaying eddy currents bouncing back from metal. Garrett's Ultra Pulse implementation runs at a 1500 Hz adjustable pulse rate and gives the Axiom four selectable timings, which is what really sets a modern PI apart from older single-timing prospecting machines. Fine timing keeps the receiver gate open earlier to hear small, low-conductivity gold. Large timing waits longer and reaches further into the ground for bigger, deeper targets. Salt timing gates out the saltwater conductor entirely. Terra-Scan handles the ground side of the equation by reading two independent ground balance channels at once, so heavily mineralized soil and conductive hot rocks both get neutralized without forcing a manual rebalance every few feet. This is the mechanism that lets the Axiom run stable in Arizona caliche, Nevada hot ground, and black sand beaches where VLF machines chatter constantly.

The dual-channel architecture is why the Axiom holds a steadier threshold than a single-frequency VLF in mineralized ground. Where a VLF reads one ground signal and tries to null it out, the Axiom reads two independent magnetic signatures and adjusts for both simultaneously. When you cross from a conductive layer into magnetic basalt mid-swing, the threshold stays smooth instead of chirping over the transition. Ground Grab initializes the balance, then Slow, Medium, or Fast Tracking keeps it current as you move across varying soil. For prospectors working the Mother Lode, the Sonoran, or the Bradshaw Mountains, this is the feature that turns previously unworkable ground into huntable territory.

Carbon-Fiber Shaft, Backlit Display, and Z-Lynk Wireless Audio

The Axiom rides on a carbon-fiber S-shaft that collapses to 25 in for travel and extends to 61.5 in for taller swings. Total weight is 4.2 lbs with the 11 in mono coil and 4.7 lbs with the 13 in DD, with the balance point set so the swing stays neutral over long days. The backlit LCD shows mode plus sensitivity alongside dual ground balance numbers without burying anything in submenus. A USB-C port handles charging and firmware updates from a laptop. Audio is where Garrett gave the Axiom flexibility most prospectors actually want. PWM and VCO audio types are both available depending on how you read targets, and an integrated Z-Lynk wireless link drives the included MS-3 headphones with no transmitter dongle in the way. A 1/4 in jack accepts standard wired headphones, and the high-volume speaker is loud enough for open desert work.

The Z-Lynk radio also pairs with the Garrett Pro-Pointer AT Z-Lynk pinpointer, which routes the pinpointer's signal through the same MS-3 headphones during recovery. This means you can leave the headphones on through the entire target recovery process without swapping between detector audio and pinpointer audio. The control panel layout is straightforward: power, mode selector, sensitivity, threshold, ground balance, volume, and Iron Check toggle are all top-level controls with no submenu diving. The backlight is bright enough for pre-dawn starts and post-sunset finishes, and the dual ground balance indicator gives you real-time feedback on how the machine is reading magnetic and conductive ground signatures independently.

Coil Options and Accessory Compatibility

The standard package ships with the 13 in x 11 in DD and the 11 in x 7 in mono. The 11 in mono is the better choice for sub-gram pickers and tight, brushy ground where a smaller footprint helps. Reach for the 13 in DD when Iron Check matters or when you are covering open ground and want broader sweep width. Garrett offers additional coil sizes for the Axiom: a 16 in x 14 in DD, a 16 in x 14 in mono, a 13 in x 11 in mono, and an 11 in x 7 in DD are all available as separate purchases. The larger 16 in coils are for maximum ground coverage and depth on bigger nuggets; the smaller 11 in x 7 in DD is for detectorists who want Iron Check capability in a compact coil for tight spaces. All Axiom coils are waterproof and ship with coil covers. The DD coils support Iron Check, the mono coils do not but deliver slightly more raw depth on clean signals.

The MS-3 Z-Lynk wireless headphones included in this package are the step-up audio option in the Axiom line. They eliminate the cable between the control box and your ears, which matters when you are threading through manzanita or working steep hillsides where a cable snags on brush. The sibling package in the Axiom lineup ships with wired MS-2 headphones instead, which some prospectors prefer for the direct connection and the slightly lower package price. Both headphone options deliver the same audio fidelity; the choice is cable versus wireless convenience. For detectorists comparing the Axiom against other machines in the pulse induction metal detectors category, the Z-Lynk wireless system and the dual-coil standard package are differentiators at this price point.

Specifications

• Technology: Pulse induction, Ultra Pulse 1500 Hz adjustable pulse rate
• Detect Modes: Fine, Normal, Large, Salt
• Ground Balance: Terra-Scan dual-channel, Ground Grab, Slow/Medium/Fast Tracking
• Coils Included: 13 in x 11 in DD, 11 in x 7 in mono, both with coil covers
• Weight: 4.2 lbs with 11 in mono coil, 4.7 lbs with 13 in DD coil
• Battery: Built-in 76 Wh lithium-ion, 16 hours run time, AA booster pack adds 6 hours
• Audio: PWM and VCO audio types, Z-Lynk wireless, 1/4 in wired jack, integrated speaker
• Headphones: MS-3 Z-Lynk wireless
• Waterproof Rating: Coils fully waterproof, control box rainproof
• Shaft: Carbon-fiber S-shaft, collapses to 25 in, extends to 61.5 in
• Display: Backlit LCD
• Warranty: 3-year limited manufacturer warranty

Why Buy from Serious Detecting

Serious Detecting is an authorized Garrett dealer, so the Axiom you order ships with Garrett's full 3-year manufacturer warranty and our team has direct access to Garrett technical support when you need it. Browse the full Garrett range, or compare the Axiom against the rest of our gold detectors. Every order ships free, and we back it with a 30-day return window and a price-match guarantee. Prospectors moving from VLF to PI for the first time get support through the learning curve, and we carry Garrett's Axiom coils and headphones for same-order upgrades.