Biamp EXUB S8 B ClickMount U Bracket Kit, Black for EX S8 Speakers 15 two combo mic line inputs with two combo mic line inputs with independent gains All the accessories you need to start recording are in the box structural surfaces or compatible suspension hardware with minimal visual impact• Included waterproof ClickPlug insert integrated weather resistant wiring connection helps protect installations in indoor or covered outdoor environments• Multiple mounting options compatible with center suspension posts and a variety of third party stand and pole adapters for added flexibility• Heavy duty steel construction durable black powder coated finish built for long term commercial AV installations