The CPA 81 coach amplifier's outstanding two separate final stages for the driver and passengers provide 2 x 20 watts of power each. Besides the Professional Line consists of the CCU coach radio and control unit to control all the connected audio, video and navigation components and a cassette unit with integrated display (CCX) for displaying the selected sources and functions.

Coach Audio / Professional-Line
Amplifier
Power amplifier with two separate final stages, one for the driver and one for the passengers
Output power 4 x 20 watts sine
Inputs for 7 audio/video sources (radio, CC, CD, CDC, video/TV 1 + 2 in connection with audio/video switch, navigation)
Inputs for 2 external audio frequency sources (D- or E-net telephone, driver warning system)
Audio output of telephone, warning system and navigation through the driver's loudspeakers
Telephone mix (mute)
Power supply for CCX, CCU and D- or E-net telephone (12 V)
Power supply for video/DVD player, TV tuner, CDC (24 V)
MAS output for CDC 1 and video
Video and microphone relays
MC-Net via CAN
Stand-alone operation (replacement for BPA 2480)
Operating voltage: 24 V
Weight: 2,080 kg