This class b amplifier is designed for commercial and industrial public address applications. Rack mount design in 2U type and rated power is 350W /450W/650W. Both balanced and unbalanced line inputs are available for each channel. Balanced line output feeds to another power amplifier as well as secures the signal transmission is less noise and longer distance. 70V, 100V and 4-16ohm speaker outputs are convenient for installation when selection different speaker matching. A master volume control is included. Complete protection includes clip, short circuit, high temp and overload. With indications for power, signal, clip, protection and temp.

MP9821M M&S Amplifier Auto SwitcherMarch 16, 2017The MP9821M is a main/standby amplifier auto switcher from the classical PA system with advanced technology and most powerful function. It supports automatic fault detection of audio power amplifier, ...view
MP9813D 10 Channels Indirect Speaker SelectorNovember 30, 2016Front Panel REAR PANEL & CONNECTIONSview
MP9815E PA System EmergencyNovember 30, 2016MP9815E is a critical component designed for efficient communication during emergencies. It allows for immediate activation of alarms and broadcasting of pre-recorded or live messages across large are...viewwe will contact you within 24 hours.
Congratulations on the 70th Anniversary of the PRCSeptember 30, 2019On the 70th anniversary of the PRC, we DSPPA are pleased to celebrate the National Day.view
DSPPA | Wish you Peace and Health at Dragon Boat FestivalJune 21, 2023Abstract: DSPPA will be closed from June 22 to 24 for the Dragon Boat Festival, and will resume work on June 25, 2023.view