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Ashly KLR-4000 Stereo Power Amplifier (850W/Channel at 8 Ohms Stereo)

BH #ASKLR4000 • MFR #KLR-4000
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Ashly KLR-4000 Stereo Power Amplifier (850W/Channel at 8 Ohms Stereo)
Key Features
  • Stereo, Bridged, and Parallel Modes
  • Class-H Circuitry
  • Euroblock and Combo XLR/TRS Inputs
  • Neutrik speakON Outputs
Audio professionals looking for a high-quality amplifier capable of delivering high levels of sustained output will be thrilled with the Ashly KLR-4000, a professional-quality power amplifier that provides high-quality audio in a lightweight and efficient design. The amplifier has a 2 RU rackmount design for installation in any equipment rack. It can operate in stereo, bridged, or parallel modes for remarkable versatility. The 2-step Class-H circuitry provides excellent efficiency, while the switch mode power supply delivers deep bass, punchy midrange, and clear treble. The amplifier has Euroblock and combo XLR/TRS inputs, as well as Neutrik Speakon outputs, allowing you to connect to virtually any professional sound system.
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Ashly KLR-4000 Overview

Audio professionals looking for a high-quality amplifier capable of delivering high levels of sustained output will be thrilled with the Ashly KLR-4000, a professional-quality power amplifier that provides high-quality audio in a lightweight and efficient design. The amplifier has a 2 RU rackmount design for installation in any equipment rack. It can operate in stereo, bridged, or parallel modes for remarkable versatility. The 2-step Class-H circuitry provides excellent efficiency, while the switch mode power supply delivers deep bass, punchy midrange, and clear treble. The amplifier has Euroblock and combo XLR/TRS inputs, as well as Neutrik Speakon outputs, allowing you to connect to virtually any professional sound system.

The amplifier features front-panel level controls for each channel as well as indicator LEDs for output level, clip/protect, and power on/off. Each channel has a 3-position gain switch as well as a 3-position high-pass filter switch. A switchable limiter is also built in to prevent distortion. A forced air cooling system with front-to-rear air flow and removable dust filters prevents the amplifier components from overheating. Integrated protection circuitry prevents damage from overcurrent, DC output, and overheating.

  • Optimized to deliver high levels of sustained power
  • 2 RU configuration
  • Stable down to 2 ohms
  • Balanced inputs via 3-pin Euroblock
  • Combo XLR/TRS connectors
  • Neutrik speakON output connectors
  • 30 Hz, 50 Hz, Off High-Pass filter
  • Switch-mode power supply with extensive protection circuitry
  • On/Off limiter switch
  • Forced-air cooled (front-in, rear-out)
  • Removable, easy-to-clean dust filters
  • Front-mounted attenuators
  • Removable amp handles for permanent installation
  • Optional locking front-panel volume knobs
  • Safety/Compliance: cCSAus, CE, FCC, RoHS
  • 2-step Class-H design

Ashly KLR-4000 Specs

Form Factor/Type
Rackmount
Number of Amplifier Channels
2
Load Impedance/Voltage Support
2 / 4 / 8 Ohms
Power Rating per Channel
2x 2000 W Peak at 2 Ohms
2x 1400 W Peak at 4 Ohms
2x 850 W Peak at 8 Ohms
Channel Bridging & Power Sharing
1x 4000 W Peak Bridged at 4 Ohms
Amplifier Class
2-Tier Class-H
Performance
Protections
DC Fault, DC Offset, Overcurrent, Thermal
Frequency Response
20 Hz to 20 kHz +0.3 dB (1 W at 8 Ohms)
5 Hz to 70 kHz -3 dB
Damping Factor
> 380 at 8 Ohms
THD/Distortion
≤ 0.05% THD (20 Hz to 20 kHz, 10 dB Below Rated Output at 4 Ohms)
Signal Processing
DSP
No
Audio Delay
No
EQ & Filters
High-Pass Filter
Dynamics
Limiter
Connectivity
Analog Audio I/O
2x Block 3-Pin Balanced Line Input
2x Combo XLR-1/4" TRS Balanced Line Input
2x speakON NL4 Speaker Output
Digital Audio I/O
No
Network I/O
No
USB I/O
No
Phantom Power
No
Wireless
No
Power
Input Power
120 VAC, 60 Hz
AC Power Connector
1x Hardwired Cord 15 A / NEMA 5-15
Current Consumption
14 A (1/8 Power)
19.8 A (1/3 Power)
Physical
Display
Single-LED Indicators Only
Rackmount Size
2 U
Cooling
2x Fan (Variable Speed)
Operating Conditions
14 to 104°F / -10 to 40°C up to 90% Humidity
Dimensions
19 x 16 x 3.5" / 48.3 x 40.6 x 8.9 cm
Weight
26.7 lb / 12.1 kg
Packaging Info
Package Weight
33.7 lb
Box Dimensions (LxWxH)
19 x 16 x 4"

Ashly KLR-4000 Reviews

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