Installation Instructions

Page 12
midlandusa.com
Model MXT400
Rear Panel Connections
1. Ignition Input Jack - Connect an optional ignition switched power source.
2. EXT SPKR Jack - 3.5mm Audio connector for optional external speaker
(sold seperately).
- see Using an External Speaker for specification.
3. ANT Jack - SO-239 UHF connector for external antenna
(sold seperately).