As if Multi-IQ technology

Unleash your detecting skills without the hassle

Its sharpened blade effortlessly penetrates various soil types

Vibration indication - Yes

ACE 400 or any metal detector with a 1/4" headphone jack/port

Garrett MS-3 Z-Lynk Headphones for AT MAX and APEX Use_Land-Based Metal Detectors As if Multi-IQ technologyGarrett MS 3 Z Lynk Wireless Headphones for use with AT MAX and APEX PN: 1627710 Built in Z Lynk receiver. High fidelity audio. Volume control. Adjust signal levels to suit individual hearing requirements and to enhance weak signals. Comfortable headband and ear cushions. Folds down for easy storage. USB charging cable included. Speaker impedance: 8 ohms Frequency response: 30 18,000 Hz. Compatible with Garrett AT MAX and Garrett APEX.