Rockford Fosgate PBR400X4D Punch 400 Watt Full-Range 4-Channel Amplifier microphones What separates the MS-BT100 apart

What separates the MS-BT100 apart from other Bluetooth modules is the integrated marine voltage protection

Push on terminals

9″ (L) x 3″ (D) x 1″ (H) - Including Speaker Connectors

Yes — a vehicle harness is included with the SCTYRT4

Rockford Fosgate PBR400X4D Punch 400 Watt Full-Range 4-Channel Amplifier microphones What separates the MS-BT100 apartRockford Fosgate PBR400X4D Punch 400 Watt 4 Channel Class D Amplifier When space is tight but power cannot be compromised, the PBR400X4D delivers 400 watts of full range Punch Series performance in one of the most compact 4 channel footprints Rockford Fosgate makes. Product Overview The PBR400X4D is a full range Class D 4 channel amplifier from Rockford Fosgate's Punch Series, engineered specifically for installations where space is at a premium.