Compatible with:
Insta360 X3 / X4
DJI Mic Mini Receiver

Xmount360 →
$49 / free priority shipping US

Amazon →
$39 / free prime shipping US

Xmount Xtreme for X2/X3/X4 & Hollyland M2

Compatible with:
Insta360 X4 / X3 / X2

Xmount360 →
$39 $29 / $4.50 standard shipping US

Amazon →
$39 $37 / prime

MOUNT PRO II for Insta360 X3 / X4 & DJI Mic 1 /2/3 (not for DJI Mic Mini)

Compatible with:
Insta360 X4 / X3
X5 compatible when placed undermount with separate cable

Xmount360 →
$$49 / free priority shipping US
free standard international shipping