900 Series 30W Modular Mixer/Amplifier

Engineered for high performance with wide frequency response, very low noise and distortion, and excellent output regulation

Modular Eight Channel Mixer/Amplifiers for paging, background/foreground music distribution and music/messaging-on-hold

Proven TOA Quality and Reliability

Five year warranty

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