The Director® Model M4840

 8 Channel Shallow-Mount High-Power Network DSP Matrix Amplifier

The Director® Model M4840 is a compact, shallow-mount (2U / 11.75”D), eight-channel matrixing amplifier with DSP processing; including EQ, delay, crossover, volume, and built-in speaker profiles, all controllable via network commands. This high performance amplifier delivers an impressive 100 watts per channel, stable into 4 ohms. With four analog stereo and four digital inputs, the M4840 can easily operate as a high performance multi-channel amplifier and amplified audio matrix.

 Features:

• Network DHCP Signal Matrix Amplifier With Volume Control

• 8 Channels x 100 Watts at 8 Ohms (All Channels Driven)

• 8 Channels x 200 Watts at 4 Ohms (All Channels Driven)

• Bridgeable to 400 Watts of Bridged Power

• Digital Signal Processing (DSP) Performance

• Built-In Speaker Optimization Profiles

• Ethernet Port for Status Monitoring, Source Switching and 12 Volt Trigger Control

• Built in Matrix Delivering Analog or Digital Inputs to be Routed To Any Zone or Digital Bus Output

• Network Programmable Graphic & Parametric Equalization with User Memories

• Assignable Names for All Zones & Amplifier

• Digital Signal Sense

• Programmable Electronic Crossover for Local Subwoofer Applications; Subsonic Filter

• AudioControl LightDrive Anti-Clipping Speaker Protection

• Digital and Analog Inputs with Digital and Analog Pass Thru / Loop Outputs

• Dual Digital Audio Bus Outputs

• Shallow-Mount 2U Rack Space – only 11.75″ deep (Includes Rack Mount Brackets)

• Home and Commercial Installations

Specifications:

Inputs

Inputs: 4 Stereo Analog Inputs, 4 Digital Combo Coax/Toslink Inputs
Input Sensitivity: 1 Vrms for full output, level at maximum
Input Gain: 30 dB

Outputs

Amplifier Channels: 8
Power Output (8Ω): 100W per channel
Power Output (4Ω): 200W per channel
Power Output (8Ω Bridged Mono): 400W
Minimum Speaker Load: 4Ω
Preamp Audio Outputs: 4 Stereo Loop Outputs, 2 Digital Coax Bus Outputs, 4 Digital Combo Coax/Toslink Loop Outputs

Performance

Crosstalk: > 80 dB @ 1 kHz
Damping Factor: >300
Signal to Noise: >95 dB, A-wtd, ref full output
Crosstalk: >80 dB @ 1 kHz
DAC Specifications: 32 – 96 kHz sample rate, 16/24 bit depth

Control

Remote Power Trigger: +12 VDC or Dry Contact Closure
Network Connection/Protocol: 10BaseT Ethernet TCP/IP
Communication Protocol: HTTP or Telnet

Weights & Dimensions

Dimensions: 17” W x 11.75” D x 3.5” H (2U)
Weight: 16.5 lbs (7.5 kg)