The (radio) headphones for metal detectors provide the best audio quality and won't let you overflow any more signals. The XP WS4 and WS5 radio headphones also replace the radio remote control for the XP DEUS metal detector.

XP Deus 2 II - WSA II XL wireless headphones
LIeferzeit 1-2 Werktage
The XP Deus 2 WSA II XL wireless headphones offer the following features:

Radio transmission
no latency - real-time transmission
Volume control
Battery life approx. 15 hours
Very comfortable to wear
Rainproof / Weatherproof