Gold Rat Metal Detectors is located 6/50 Freda Street Upper Mount Gravatt. This is the only store to stock Metal Detectors. Gold Rat Engineering is located 4/16 Redcliffe Gardens Drive Clontarf This is where you will see the largest range of your highbankers, sluices and accessories


The GoldMaster 24K has proven itself to be a very sharp reliable VLF Gold Metal detector, we've run this machine in victoria and QLD with great success.

The main feature of this machine is the 48 KHz Frequency and Auto tracking system that creates a stable detecting environment. This makes the GoldMaster a very good beginner to Advanced Gold Detector.


Features :

  • Super Sensitive Gold Detector
  • 48 kHz power: find more gold
  • Automatic Ground Balance (XGB Technology)
  • Iron and Hot Rock Elimination
  • Rainproof detector with waterproof searchcoil
  • 45 hour battery life
  • Turn on and begin searching!

Key Features

48 kHz POWER
Find more gold!

XGB Ground Balance Balance System
Auto tracking system allows the GM24k to be used in a wide variety of ground conditions with more stable operation and less ground noise.

Two Audio Modes
Choose from 2-tone “Beep” Mode to help distinguish target types or the Standard VCO “Zip” Mode, where audio pitch and volume rise as signal strength increase.

Backlight: Illuminates LCD screen for improved visibility in low-light situations.

Variable Self Adjusting Threshold
Allows user to adjust the threshold recovery speed to help reduce the effects of changing ground mineralization.

Goldmaster 24k's other features include:

To quickly update ground settings

To lock current ground balance setting

Adjustable Iron Cancel
Feature for hot rocks, iron trash

Digital Target ID: 0 to 99 scale.

Volume Control
Fully adjustable, plus Boost options

Threshold Adjustment
Adjust to the level that fits your style of hunting

Frequency Shift
Use to reduce electro-magnetic interference

Sensitivity Control
Levels adjustable from 0 to 10

Pinpoint Function

Battery Condition Indicator


  • Goldmaster 24k detector
  • 6" x 10" DD Waterproof Searchcoil 
  • Headphones
  • 8 "AA" Batteries
  • Battery charger
Clearsound Easy Stow Headphones   Inlcuded
Enhanced Detection Depth   Yes
All-Metal Mode   Yes
Backlight   Yes
Frequency   48 kHz,
Ground Balance, Auto/Manual   Yes
Threshold Adjustment   Yes
Electronic Pinpointing   Yes
Audio Modes  
Rainproof Control Box   Yes
Waterproof Coil    Yes
Digital Target ID, larger size   Yes
Total Weight   3.6 lbs (1.6kgs)
Length (Adjustable)   45" to 55" (114 cm - 139 cm)
Batteries   8 AA (included)
Battery Charger   Included
Fast Recovery Speed   Yes
Standard Search coil   6" x 10" DD Waterproof Search coil 
Sensitivity/ Depth Adjustments   10
Battery Condition Indicator   Yes
Warranty   2 Year, Limited Parts/Labor
for more info on this model see Garrets website listing of the 24k here