Crestron 4-Channel Power Amplifier, 600W-Ch. - AMP-4600

Crestron SKU: AMP-4600
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Sale price$3,850.00


Spec Sheet

The Crestron® AMP-4600 amplifier is designed to complement the Crestron Avia™ family of digital signal processors, and is well-suited for all types of commercial audio applications. The AMP-4600 furnishes four channels of clean, efficient amplification in a space-saving 1 RU rack-mountable chassis. Each channel is configurable for Lo-Z or Hi-Z operation, as well as stereo and bridged modes. Network connectivity enables configuration, monitoring, and control via the Avia Audio Tool software, a Crestron control system, Crestron XiO Cloud™ service[1], or Crestron Fusion® software.[2]

Solid & Efficient Performance
The AMP-4600 is engineered to deliver exceptional performance and reliability with low distortion, low noise, and high power headroom. Advanced Class D technology maximizes efficiency to reduce power consumption and heat dissipation. An internal universal power supply with power factor correction ensures consistent performance with varying line voltages.

The AMP-4600 features professional balanced inputs that support input signal levels up to +24 dBu. Rear panel input attenuation controls allow for signal level matching. Remote level control and monitoring is enabled using the Avia Audio Tool software, or using a touch screen control panel or mobile device through integration with a Crestron control system. Integration with a control system also enables centralized monitoring and control of multiple amplifiers throughout a facility as part of a Crestron Fusion or Crestron XiO Cloud managed enterprise.

Configurable & Controllable
The AMP-4600 delivers 600 watts per channel into 4 or 8 ohm “Lo-Z” loads. Each channel is individually configurable via software for use with “Hi-Z” distributed speaker systems (either 70V or 100V). Adjacent pairs of channels may be configured for stereo or bridged operation. Stereo mode enables remote control of a stereo pair of speakers using a single set of controls. Bridged mode allows two channels to be combined to provide a single channel delivering up to 1200 watts into 8 ohms.

Each output channel can be independently configured to throttle the amount of power delivered to connected loudspeakers. Power throttling can be used to protect connected loudspeakers from receiving too much power.

The power throttle can also be used for output load balancing. This is useful when mixing different loudspeaker types on adjacent channels such as a subwoofer that requires continuously high power versus a high frequency compression driver with a much lower power requirement. Using Power throttle, the output of the amplifier is provisioned to match the loudspeaker and line drive requirements. Amplifier gain is automatically adjusted such that a 0dBu input will yield the selected power throttle output level. No matter the gain from head-end equipment feeding the amplifier, power throttle will consistently provide an extra level of loudspeaker protection and overall system optimization.

Fully Protected
The AMP-4600 features comprehensive protection against overheating, shorted or overloaded speaker lines, excessive signal levels, and other faults. Each channel is independently protected, allowing an individual channel to enter protection mode without interrupting the operation of other channels. Protection is automatic, quickly disconnecting the speaker line and shutting down the affected channel, and then restoring normal operation once the fault is resolved. Clear indication of any fault is provided on the front panel, and may also be reported to a control system to provide notification on a touch screen or mobile device, through a text message or e-mail, or at a central help desk using Crestron Fusion software or the Crestron XiO Cloud service.

  • High-efficiency four-channel amplifier
  • Robust and reliable performance
  • Professional sound quality
  • 600 watts per channel @ 4/8 Ohms or 70/100V
  • Each channel configurable for Lo-Z or Hi-Z operation
  • Supports 100V to 240V AC line power with 4/8Ω or 70V / 100V output
  • Mono, stereo, and bridged modes
  • Comprehensive fault and speaker protection per channel
  • Extensive front panel status indicators and output meters
  • High-speed Ethernet LAN connectivity
  • Software configuration, control, and monitoring
  • Crestron® control system integration support
  • Crestron XiO Cloud™ service support
  • Crestron Fusion® enterprise management support [1]
  • Rear panel +24 dBu balanced inputs and level adjustments
  • Detachable terminal block connectors for easy servicing
  • Single-space 19 in. rack mountable
  • High-density stackable without extra vent spacing

AMP-4600 Specifications

Ethernet 10/100 Mbps, auto-switching, auto-negotiating, auto-discovery, full/half duplex, TCP/IP, UDP/IP, CIP, DHCP, SSL, SSH, SFTP (SSH File Transfer Protocol)
USB Device USB device port for computer console (setup)
Input Signal Types Balanced or unbalanced analog line-level
Output Signal Types 4/8 Ohm, 70 or 100 Volt direct-coupled
Operating Modes
(Configurable via Avia Audio Tool software)

Mono: Each channel is configurable to operate independently from all other channels;
Stereo: Adjacent channels (1&2, 3&4) are configurable to operate as a stereo pair with linked control settings;
Bridged: Adjacent channels (1&2, 3&4) are configurable to operate as an 8 Ohm bridged mono output;
4/8Ω Mode: Each channel is configurable for 4/8 Ohm “Lo-Z” output;
70V/100V Mode: Each channel is configurable for 70/100 Volt “Hi-Z” output

Output Power

600 Watts per channel @ 4-8 Ohms or 70/100 Volts nominal
1200 Watts per bridged pair of channels @ 8 Ohms

Power Throttle 600, 500, 400, 300, 250, 200, 150, 125, 100, 75, 50 Watts per channel
Frequency Response 20 Hz to 20 kHz ±0.5 dB at 1 Watt, 4-8 Ohms;
200 Hz to 20 kHz ±0.5 dB at 1 Watt, 70/100 Volts
High Pass Filter -3 dB @ 80 Hz, 12 dB per octave in 70V or 100V mode
THD+N <0.05% @ 1 kHz at 3 dB below clipping
S/N Ratio >103 dBA, 20 Hz to 20 kHz
Channel Separation >70 dB
Input Sensitivity 1.29 Vrms, +4 dBu (balanced) for full rated output power
Fault Protection Over Current: Protects each channel individually against an excessive speaker load or shorted speaker line;
DC Offset: Protects each channel and speaker line against DC voltages sensed at each output;
Over Temperature: Protects the amplifier power supply and each channel against overheating due to poor ventilation or excessive temperature;
Under Voltage: Protects the amplifier if the internal power supply voltage is below tolerance due to excessive output levels or insufficient line voltage;
Note: All faults report to the control system, and indicate on the front panel and in the software tool.
Output Relays Disconnects the speaker line at each output under fault conditions, and during startup and shutdown
Audio Ramp Ramps each channel’s audio level up to its last used setting after the corresponding output relay has closed following startup or fault recovery; ramp time 130 milliseconds
LINE INPUTS 1 – 4 (4) 3-pin 3.5 mm detachable terminal blocks;
Balanced line-level audio inputs;
Maximum Input Level: 12.3 Vrms, +24 dBu;
Input Impedance: 20k Ohms balanced
SPEAKER OUTPUTS 1 – 4 (4) 2-pin 7.62 mm reversed gender 20A detachable terminal blocks;
Power amplifier outputs;
Wire Size: Terminals accept up to 12 AWG (3.31 mm²);
Note: Output is direct-coupled in all modes for all load types, not transformer isolated
LAN (1) 8-pin RJ45 female;
10Base-T/100Base-TX Ethernet LAN port
100-240V~ 50/60Hz 4A-2A (1) IEC 60320 C14 main power inlet;
Mates with removable power cord (included)
G (1) 6-32 screw;
Chassis ground lug
COMPUTER (front) (1) USB Type B female;
USB computer console port (for setup only)
Controls & Indicators
PWR (1) Bi-color green/amber LED, indicates operating power supplied from AC line power, amber indicates startup in progress, green indicates normal operation, alternating green/amber indicates absence of a network connection
RESET (1) Recessed pushbutton, restores last saved settings
STATUS, FAULT 1 – 4 (4) Red LEDs, each indicates an under-voltage fault condition on the corresponding channel
STATUS, CURRENT 1 –4 (4) Blue LEDs, each indicates an over-current fault condition on the corresponding output
STATUS, DC 1 – 4 (4) Blue LEDs, each indicates a DC offset fault condition on the corresponding channel
STATUS, THERM 1 – 4 (4) Blue LEDs, each indicates an over-temperature fault condition on the corresponding channel
STATUS, 70V-100V 1 – 4 (8) Blue LEDs, each indicates the corresponding channel is configured for 70 Volt / 100 Volt operation
VU 1 – 4 (4) 5-segment LED bar graph audio level meters for each corresponding output; each contains (4) blue LEDs for -40dB, -30dB, -20dB, and -10dB, and (1) red LED for CLIP
LINE INPUTS 1 – 4 (rear) (4) Screwdriver-adjustable rotary controls, each adjusts the input attenuation level for the corresponding channel
LAN (rear) (2) LEDs, green LED indicates Ethernet link status, amber LED indicates Ethernet activity
SETUP (rear) (1) Red LED and (1) pushbutton for Ethernet setup, flashes while updating firmware
Power Switch (rear) (1) Rocker switch, turns main power on or off
Circuit Breaker Reset (rear) (1) Push button switch, resets 10A circuit breaker
Main Power 4-2 Amps @ 100-240 Volts AC, 50/60 Hz, 10 Amps max.
Input Power 300 Watts
Power Consumption 300 Watts, all channels driven at 1/8th output power;
70 Watts, all channels idle
Temperature 41° to 104°F (5° to 40°C)
Humidity 10% to 90% RH (non-condensing)
Heat Dissipation 1025 BTU/hr, all channels driven at 1/8th output power;
240 BTU/hr, all channels idle
Chassis Metal, variable-speed fan-cooled, vented sides
Front Panel Metal, black finish with polycarbonate label overlay
Mounting Freestanding or 1 RU 19-inch rack-mountable (front rack ears and rear support brackets included)
Height 1.72 in (44 cm)
Width 17.26 in (436 mm);
19.00 in (483 mm) with rack ears
Depth 14.59 in (371 mm)
14.1 lb (6.4 kg)
UL 60065, FCC Class A commercial use


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