Best 3 tone Audio Discrimination

Garrett ACE 400 Metal Detector with DD Waterproof Search Coil and Pro-Pointer AT

Extra Accessories Garrett 8.5" x 11" Search Coil Cover, ClearSound Headphones, Garrett ACE Environmental Cover Up.
Specifications Digital Target ID: YES, 0-99 scale Iron Audio feature: YES Adjustable Frequency: YES Camlocks Included: YES.
Target ID Cursor Segments: 12 Iron Discrimination Segments: 4 Notch Discrimination: YES Search Modes: 5 (plus Pinpoint) Sensitivity/Depth Adjustments: 8 Electronic Pinpointing: YES.
Frequency: 10 kHz Audio Tone ID Levels: 3 Standard Searchcoil: 8.5" x 11" DD PROformance Length (Adjustable): 42" to 51".
Total Weight: 2.9 lbs. Batteries: 4 AA (included) Warranty: 2 Year, Limited Parts/Labor.

Enhanced Z-Lynk Pinpointer: Pro-Pointer All Terrain Z-Lynk Pinpointer integrates with the included MS-3 Headphones to hear sounds directly through your headphones.
Wireless Z-Lynk MS-3 Headphones Included, Enhanced Detection Depth, True All-Metal Mode.
Includes AT MAX Hat, Pro-Pointer AT Z-Lynk Pinpointer and Garrett 50" Travel / Carry Bag.
LED Backlit Screen, Frequency 13.6 kHz, adjustable Ground Balance, Auto/Manual: High Resolution 175 pts Auto Ground Balance, Iron Audio, Iron Discrimination Segments: 44.
Threshold Adjustment, Electronic Pinpointing, Waterproof to 10 feet (3m), Freshwater / Saltwater Search Modes, Digital Target ID, Audio Tone ID, Notch Discrimination, 8 Sensitivity Adjustments, Fast Recovery Speed, Target Depth ID, 8.5x 11" DD PROformance Coil.

Discriminating metal detector gives a unique sound for different types of metals.
Push-button discrimination and one-touch depth control.
Ships in Certified Frustration-Free Packaging.

Finds the smallest gold nuggets in highly mineralized soils - v-break tm.
industry's first variable breakpoing tone discrimination system - computerized ground grab tm.
Real-time computerized ground balancing - v.c.o. audio in all metal & discrimination mode - independent control over treshold & gain - continuous ground condition readouts.
Ground phase value indicates type of mineralization - fe3o4 graphic indicates amount of mineralization - static pinpoint with depth indicator - dual headphone jacks.
19kHz Operating Frequency - Ultra Simple User Interface - Ultra-Lightweight (2.5 lbs).
Recommended for gold nugget / prospecting.

Finds the smallest gold nuggets in highly mineralized soils - v-break tm.
industry's first variable breakpoing tone discrimination system - computerized ground grab tm.
Real-time computerized ground balancing - v.c.o. audio in all metal & discrimination mode - independent control over treshold & gain - continuous ground condition readouts.
Ground phase value indicates type of mineralization - fe3o4 graphic indicates amount of mineralization - static pinpoint with depth indicator - dual headphone jacks.
19kHz Operating Frequency - Ultra Simple User Interface - Ultra-Lightweight (2.5 lbs).
Recommended for gold nugget / prospecting.

Includes Tek-Point Pinpointer and Coil Cover.
Increased depth, greater coverage and improved operation in mineralized soil with 11" DD Searchcoil.
Large 2-digit numeric Target-ID numbers, 1-99.
Turn-On-And-Go, well balanced & lightweight.
Adjustable Sensitivity, Discrimination and Volume.

Application: Gold Prospecting (Waterproof coil to 3ft).
Coil (standard): 14" x 13" Super‑D Configuration with skidplate (waterproof to 3 ft).
Audio Output: 1/4" non waterproof socket, Wi‑Stream wireless signal transmission.
Headphones Supplied: KOSS UR 30 100 ohm with 6.3 mm plug (1/4-inch) (non waterproof).
Visual Display: Full colour LCD (320 x 240 pixels).
Detect Modes: Gold Mode (High Yield, General, Extra Deep) Ground Type (Normal, Difficult, Severe).
Ground Balance: Auto and Manual (Quick‑Trak trigger button).

This package includes Garrett 8.5" x 11" Search Coil Cover, Garrett Edge Digger, ClearSound Headphones, Garrett AT Pro-Pointer, Garrett ACE Environmental Cover Up, Garrett Carry Bag and a Camo Finds Pouch.
New Iron Audio allows user to hear discriminated iron targets and to alter the mid-tone signal range New Digital Target ID with a 0 to 99 scale offers target information.
New higher frequency (10 kHz) provides better sensitivity on low and medium-conductivity targets (i.e. gold, lead) New Adjustable Frequency to help eliminate interference New Camlocks for better stem stability.
New Includes Pulse-Width Modulation audio for sharper, more responsive audio Enhanced Iron Resolution gives twice the iron resolution of an ACE 250, to help separate good targets from adjacent junk iron Includes Electronic Pinpointing to precisely locate targets and speed recovery.
Notch Discrimination modifies discrimination patterns based on what you are seeking Five Search Modes (plus Pinpoint) Eight (8) Sensitivity/Depth adjustments Coin Depth Indicator determines target depth Expanded Target ID legend includes indication of U.S. coin denominations.

...tone - a low tone, a medium tone and a high tone displayed on the interesting icon that can distinguish different metals.
DISC modes helps you eliminate target categories and improve your detecting efficiency.
LARGE AND FUNNY LCD DISPLAY - Equipped with large back-lit LCD screen to display different detecting depth, discrimination, operating mode, overload warning, sensitivity level and battery level, you can distinguish between targets and unwanted metals.
This entry level metal detector is a perfect gift for beginners.
IP68 SEARCH COIL - 7.8 Diameter search coil and the stem enables you to use metal to explore under water, ideal for detecting on the beach or in the stream(NOTE: the control box can not be put in the water).
Adopts a headphone jack(3.5mm / 1/8inch) so you can connect it with a headphone (NOT Included), which allows you to use it in the noisy environment.
HUMANITY DESIGN - The Metal Detector is in accordance with ergonomic design, comfortable and convenient to use.
Adjustable stem extending from 24 to 45 adapts to users of different height.
The arm rest design saves more effort, which gives you a great treasure hunting journey.
WHAT YOU GET - 1 X Tacklife MMD02 Metal Detector, 2 X 9V Battery, 1 X User's Manual, 1 X Large Size Carrying Bag....

Digital coin depth indicator tell you how deep to dig.
Choice of variable notch and auto notch modes.
Powerful metal detector ideal for accurately detecting specific targets at depth.
Motion All-Metal, Progressive Discrimination, Notch, and Auto Notch modes.
Preset ground balance neutralizes response to mineral content in the ground.
Disc/notch control distinguishes between targets and unwanted metals.
Ships in Certified Frustration-Free Packaging.