Amplifier for the relative professional products, if you do not know how to choose, please contact customer service consultation:
1, SA-5016 is mainly used to connect the ceiling speakers and waterproof sound column, you can take about 8 constant pressure ceiling speakers or 2 about constant pressure water column.
2, D8 built-in Bluetooth, two partitions, can To take about 10 or constant pressure ceiling speakers or about 3 water-proof constant pressure column.
3, D5-200 for the built-in Bluetooth, four partitions, You can take about 15 fixed-pressure ceiling speakers or about 5 water-proof constant pressure sound column.
4, D5-300 for the high-power amplifier, You can take 20 or so constant pressure ceiling speakers or 7 or so fixed water pressure column.
5, SU-156A for the fixed resistance amplifier machine, you can pick up about 10 or the ceiling speaker 5.1 home theater set or 2.0 home audio.