Mixer/Amplifier, Modular, 30 W, 8 Module Ports, Black (2U)

The TOA A-903MK2 are widely recognized as the industry standard in installed sound system amplification. When reliability and performance are critical - such as in paging and music distribution for airport, hospital, and industrial sound systems - you can count on the TOA 900 Series to perform consistently, day-in and day-out.

A-903MK2 features include:

• Modular Eight Channel Mixer/Amplifiers for paging, background/foreground music distribution and music/messaging-on-hold.
• Proven TOA Quality and Reliability
• Engineered for High Performance with wide frequency response, very low noise and distortion, and excellent output regulation.
• Three Models: A-903MK2 (30 W), A-906MK2 (60 W), A-912MK2 (120 W)
• Eight Module Slots accept any combination of TOA plug-in modules for custom system configurations.
• 25 V, 70 V and 8 Ohm Transformer-Isolated Speaker Outputs with screw terminal connector and protective cover plate (A-903MK2: 4 ohm).
• Direct Low-Impedance Output Mode bypasses output transformer.
• Dual Mute Bus permits multiple levels of paging priority using optional mute-type modules.
• External Mute Terminals for activating mute function with external switch closure.
• Remote Master Volume Terminals for control with an external 10k ohm linear-taper potentiometer.
• Individual Channel and Master Volume Controls.
• Bass/Treble Tone Controls with tone defeat switch.
• Low Cut Switch to limit low frequency response.
• Auxiliary Output for connecting an external mixer or recording device.
• Insert Jacks for connecting external signal processing.
• Bridging Input/Output for input expansion or recording device.
• Normal, Clip, Power, Protect, and Signal Indicators provide unit status.
• Rear Panel AC Convenience Outlet for powering external equipment
• Turn-On Delay disconnects output during power-up.
• Over-current and Thermal Protection Circuitry prevents potential damage from overload, short-circuit and overheating.
• Volume Control Security Knobs Included (4)
• Optional Rack-Mount Kit, MB-25B
• UL / cUL Listed
• Five Year Warranty