CH A1 - 3.4.2 Bridge Mode; 3.4.3 Monaural Mode

Stereo mode
3.4.2 Bridge mode
A pair of A1s, each equipped with a single analog input board can be used as a pair of high power with high voltage swing
monoblocks. This configuration should be used when low efficiency high impedance speakers are used in large rooms to achieve
higher sound level than possible with a single stereo A1. This configuration also exhibits a better signal-to-noise ratio. The picture
below shows how they should be connected in this case.
Bridge mode
3.4.3 Monaural mode
A pair of A1s, each equipped with a single analog input board can be used as a pair of high power with very high current capability
monoblocks. This configuration should be used when low efficiency low impedance speakers are used in large rooms to achieve
higher sound level than possible with a single stereo A1. The picture below shows how they should be connected in this case.
20 A1 User Manual Rev 2.0
C1 D/A Controller
A1 Stereo Power Amplifier
Left Speaker Binding Post
Right Speaker Binding Post
Balanced XLR cables
C1 D/A Controller
A1 Left Mono Power Amplifier
Left Speaker Binding Post
Right Speaker Binding Post
Balanced XLR cables
A1 Right Mono Power Amplifier