描述
- Built-in USB/SD player with Bluetooth and FM tuner
- Compatible with CS4 call stations (953.146UK)
- 4 individual volume attenuators
- Switchable +20V phantom power
- Send/return loop for connection to audio processors or amplifiers,
Adastra RM244V 100V Mixer Amplifier With 4-Zone Paging With Built-In Media Player USB, SD Card, Bluetooth, FM
