The TOA A-9060DHM2 is a professional all-in-one digital matrix mixer, DSP processor, and dual-channel amplifier designed for advanced commercial audio installations requiring flexible routing, sophisticated control, and integrated amplification. Housed in a compact 2U rack chassis, the A-9060DHM2 combines the functionality of multiple components—mixer, signal processor, matrix router, and power amplifier—into a single, space-efficient platform.

Engineered for complex multi-zone applications in corporate facilities, educational campuses, hospitality venues, transportation hubs, and public spaces, the A-9060DHM2 delivers professional-grade audio processing with intuitive control and extensive automation capabilities. With support for up to 8 inputs and 8 outputs, two built-in 60-watt amplifier channels, modular expansion options, and full integration with leading control systems (AMX, Crestron), the A-9060DHM2 provides a scalable foundation for demanding commercial audio environments.

Advanced DSP features including 10-band parametric EQ, compression, delay, automatic microphone mixing, and ambient noise compensation ensure optimal audio quality across all zones. Multi-level priority paging, scene memory recall, and comprehensive external control options make the A-9060DHM2 ideal for installations requiring automated scheduling, emergency announcements, and centralized management.

Key Features

  • All-in-one integration – Matrix mixer, DSP processor, and dual 60W amplifier in single 2U unit
  • 2 × 60W powered outputs – Built-in amplification for direct zone connections
  • Flexible I/O capacity – Supports up to 8 inputs and 8 outputs
  • Advanced DSP processing – 10-band parametric EQ, compression, delay, automatic mixing
  • Digital matrix routing – Any input to any output with independent level control
  • Modular expansion – Compatible with TOA plug-in modules for customized configurations
  • Automatic microphone mixing – Intelligent gain sharing prevents feedback and phase issues
  • Ambient noise control (ANC) – Automatically adjusts output levels based on environmental noise
  • Multi-zone paging – Priority modes: FIFO (First In First Out), LIFO (Last In First Out), Mix
  • Telephone paging integration – Direct connection for phone-based announcements
  • Emergency announcement support – High-priority override for critical messages
  • Scene memory – Store and recall complete system configurations
  • RS-232C serial control – Integration with automation and control systems
  • AMX and Crestron compatible – Seamless building automation integration
  • Remote volume control – External level adjustment via dedicated terminals
  • Keylock security – Prevents unauthorized system changes
  • Room combining – Merge adjacent zones for larger events
  • Scheduled automation – Time-based audio routing and volume control
  • Professional reliability – TOA engineering for continuous commercial operation

Specifications

Amplifier Section

  • Power Output: 2 × 60W
  • Output Configurations:
    • 100V constant voltage
    • 70V constant voltage
    • 25V constant voltage
    • 8Ω low impedance
    • 4Ω low impedance
  • Amplifier Type: Class D digital
  • THD+N: <0.1% at rated output (1 kHz)
  • Frequency Response: 20 Hz – 20 kHz (±1 dB)
  • S/N Ratio: >90 dB (A-weighted)

Matrix & Routing

  • System Type: Digital matrix mixer/amplifier
  • Maximum Inputs: 8 (via internal slots + plug-in modules)
  • Maximum Outputs: 8 zones (configurable)
  • Powered Outputs: 2 zones (60W each)
  • Line Outputs: Up to 6 additional zones (via modules)
  • Matrix Routing: Any input to any output with individual level control
  • Mixing: Multiple inputs can be mixed to single output

Input Configuration (Via Modules)

  • Input Types: Modular—depends on installed plug-in modules
  • Typical Configurations:
    • Microphone inputs (balanced, phantom power capable)
    • Line-level inputs (balanced/unbalanced)
    • Telephone/paging inputs
    • Emergency input (priority override)
    • Music source inputs
  • Input Sensitivity: Module-dependent (typically -60 dBV to +4 dBV)
  • Input Impedance: Module-dependent (typically 600Ω to 10kΩ)
  • Phantom Power: Available on compatible microphone modules (24V or 48V)

DSP Processing

  • Parametric EQ:
    • 10-band per input/output
    • Adjustable frequency, gain, and Q
    • Shelf and bell filter types
  • Dynamics Processing:
    • Compressor/limiter per channel
    • Adjustable threshold, ratio, attack, release
    • Noise gate with adjustable threshold
  • Delay:
    • Up to 500ms per channel (verify spec)
    • For speaker alignment and zone synchronization
  • Automatic Microphone Mixing:
    • Intelligent gain sharing across multiple mics
    • Prevents feedback and phase cancellation
    • Maintains consistent output level
  • Ambient Noise Compensation (ANC):
    • Automatically adjusts volume based on room noise
    • Maintains speech intelligibility in varying conditions
    • Adjustable sensitivity and response time
  • Crossover: High-pass and low-pass filters (configurable)
  • Feedback Suppression: Optional (verify if included)

Priority Paging

  • Priority Modes:
    • FIFO (First In First Out): First paging input takes priority; subsequent inputs queue
    • LIFO (Last In First Out): Most recent paging input overrides previous
    • Mix: Multiple paging inputs mix together
  • Priority Levels: Multi-level hierarchy (emergency > telephone > general paging > BGM)
  • Ducking: Automatic background music attenuation during announcements
  • Chime Support: Pre-announcement tone capability
  • Emergency Override: Highest priority input overrides all other sources

Control & Integration

  • RS-232C Serial Control:
    • Full system control via serial commands
    • Baud rate: Configurable (typically 9600-38400 bps)
    • Protocol documentation available
  • Third-Party Compatibility:
    • AMX certified (verify current certification)
    • Crestron compatible
    • Extron compatible (verify)
  • Remote Volume Control:
    • Dedicated terminals for external attenuators
    • Supports multiple remote locations
  • Contact Closure Inputs:
    • GPIO triggers for automation (module-dependent)
    • Event triggering and scene recall
  • Scene Memory:
    • Store complete system configurations
    • Number of scenes: 50-100+ (verify spec)
    • Instant recall via control system or front panel

Front Panel

  • LCD display (system status, metering, menu navigation)
  • Rotary encoder and function buttons
  • Input/output level meters (LED or LCD)
  • Power ON/OFF switch
  • Keylock switch (prevents unauthorized changes)
  • LED indicators (power, signal, clip, priority active)

Rear Panel

  • 2 × speaker output terminals (60W powered outputs)
  • 8 × module slots for plug-in expansion
  • RS-232C serial control port (DB-9 or terminal block)
  • Remote volume control terminals
  • Emergency input terminal (priority override)
  • Ethernet port (verify if included for firmware updates)
  • AC power input

Expansion & Modules

  • Module Slots: 8 expansion slots for TOA plug-in modules
  • Compatible Modules: TOA M-01/M-02 series and D-9 series modules
  • Hot-Swappable: No (power off for module installation)
  • Module Types:
    • Microphone input modules
    • Line input modules
    • Telephone/paging input modules
    • Output zone modules
    • Emergency input modules
    • Contact closure/GPIO modules
    • Digital audio interface modules

Protection Features

  • Output short circuit protection (per channel)
  • Thermal protection with auto shutdown
  • Overload protection with auto recovery
  • DC offset detection and protection
  • Soft-start circuitry
  • Keylock prevents unauthorized configuration changes

Physical

  • Dimensions: 19" × 3.5" × 14.2" (483 × 88 × 360 mm) – 2U rack height
  • Weight: Approx. 22-26 lbs (10-12 kg) with modules
  • Mounting: Standard EIA 19" rack mount (2U)
  • Construction: Heavy-duty steel chassis with forced-air cooling
  • Cooling: Temperature-controlled variable-speed fan
  • Finish: Professional black with clear labeling

Power Requirements

  • AC Input: 120V AC, 60 Hz (North American model); 100-240V models available
  • Power Consumption: 250W maximum
  • Standby Power: <2W
  • Inrush Current: <30A

Operating Conditions

  • Operating Temperature: 32°F – 104°F (0°C – 40°C)
  • Storage Temperature: -4°F – 122°F (-20°C – 50°C)
  • Humidity: 90% RH or less (non-condensing)
  • Altitude: Up to 2000m above sea level

Certifications & Compliance

  • UL Listed
  • cUL Listed (Canada)
  • CE compliant (Europe)
  • FCC Part 15 Class A
  • RoHS compliant
 

Applications

Corporate & Commercial:

  • Multi-building campus audio distribution
  • Conference centers with room combining
  • Executive briefing centers
  • Corporate training facilities
  • Headquarters lobby and common areas

Education:

  • University and college campuses
  • Multi-building school complexes
  • Auditoriums with overflow rooms
  • Campus-wide paging and emergency notification
  • Classroom audio distribution

Hospitality:

  • Hotels and resorts (multi-zone BGM and paging)
  • Convention centers and meeting facilities
  • Casinos and gaming facilities
  • Country clubs and golf courses
  • Banquet halls with room combining

Transportation:

  • Airports and terminals
  • Train and bus stations
  • Parking structures
  • Transportation hubs with multi-zone announcements

Public & Government:

  • Municipal buildings and civic centers
  • Libraries and cultural facilities
  • Museums and galleries
  • Healthcare campuses
  • Military installations

Specialized:

  • Houses of worship with satellite buildings
  • Sports facilities and stadiums
  • Theme parks and attractions
  • Shopping malls and retail complexes

  • System Architecture & Functionality

  • Digital Matrix Routing: The A-9060DHM2's matrix architecture allows any input to be routed to any output with independent level control. This enables:

  • Multiple sources feeding single zones
  • Single source distributed to multiple zones
  • Dynamic routing changes via control system
  • Room combining (merge zones for larger spaces)
  • Source priority override for emergency use

  • Automatic Microphone Mixing: Intelligent gain sharing across multiple microphone inputs:

  • Prevents feedback from simultaneous open mics
  • Eliminates phase cancellation issues
  • Maintains consistent overall output level
  • Natural-sounding multi-mic conferences
  • Reduces manual mixing workload

  • Ambient Noise Compensation (ANC): Automatically adjusts output volume based on environmental noise levels:

  • Maintains speech intelligibility in noisy environments
  • Prevents music from being too quiet or too loud
  • Ideal for spaces with varying occupancy (cafeterias, lobbies)
  • Adjustable sensitivity and response parameters
  • Works across all output zones independently

  • Priority Paging Modes:

  • FIFO (First In First Out): First caller maintains priority; others queue
  • LIFO (Last In First Out): Most recent caller overrides previous
  • Mix Mode: Multiple paging inputs combine
  • Emergency Override: Highest priority—interrupts all other audio
     

Control System Integration

RS-232C Serial Control: Full system control via serial commands enables:

  • Source selection and routing
  • Volume control per zone
  • DSP parameter adjustment
  • Scene recall
  • System status monitoring
  • Integration with AMX, Crestron, Extron, and other control systems

AMX & Crestron Compatibility: Pre-programmed modules available for:

  • Touch panel control interfaces
  • Automated scheduling
  • Event-based triggering
  • Centralized building management
  • Multi-system coordination

Scheduled Automation: Program time-based events:

  • Automatic music source changes (morning, afternoon, evening)
  • Volume adjustments by time of day
  • Zone activation/deactivation schedules
  • Recurring announcement playback
  • Business hours vs. after-hours configurations
List price: $1,765.00
Price: $1,425.00
SKU: A-9060DHM2
Catalog: 
Commercial Mixers
Brand: 
TOA
Dimensions: 22 in × 18 in × 8 in
Weight: 30 lb