TOA Electronics M-900MK2 8-channel Mixer Preamplifier; Bass/Treble Tone Controls; Remote Master Volume Terminals; Individual Channel and Master Volume Controls; Over-current and Thermal Protection

Key Features:
- Modular Eight Channel Mixer/Preamplifier for paging, background/foreground music distribution and music/messaging-on-hold
- 8 Module Slots accept any combination of TOA plug-in modules for custom system configurations (Modules NOT included)
- Balanced, Transformer-Isolated Output with selectable impedance, screw terminal connector and protective cover plate
- 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
- Bridging Input/Output for input expansion or recording device
- Normal, Clip, Power, Protect, and Signal Indicators
- Rear Panel AC Convenience Outlet for powering external equipment
- Turn-On Delay disconnects output during power-up
- Over-current and Thermal Protection Circuitry
- Volume Control Security Knobs Included (4)

Specifications:
- Rated Output: +4 dBm, +20 dBm (max.)
- Frequency Response: 20 ~20,000 Hz, ± 1 dB
- Inputs: Eight Input Ports : Each port accepts any input module; One Bridging Input/Output
- Outputs: Main : Balanced, 150/600 ohms; Aux : Unbalanced, 10k ohms, 0 dBm
- Indicators: 1x Power LED, 1x Protect LED, 1x Signal LED, 1x Normal LED, 1x Peak LED
- Power Consumption: 18W
- Input No.1 to No. 8 (Card-edge connector); Bridging, Aux output (RCA phono jack); Output (Screw-terminal strip); Mute, Remote VR (Screw-terminal strip); AC power cord/plug (SJT, 3-prong type); AC outlet (3-pin grounding type)
- Overall Dimensions (WxHxD): 16.5 x 3.9 x 12.1 inches
- Weight: 11.7 pounds