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Ashly

Ashly KLR-4000 2-Channel High-Performance Power Amplifier - is currently on backorder. You may still purchase now though and we'll ship as soon as more become available.

In Stock & Ready to Ship!



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Brand New ConditionMore InfoThis product is in the box as received from the manufacturer and comes with the original warranty.

  • Balanced inputs via 3-pin Euroblock and combo XLR/ 1/4" TRS
  • Switch mode power supply provides high efficiency and low weight
  • Forced air cooled (front in, rear out)
  • Removable dust filters
  • Front mounted attenuators
  • Front panel indicators for output level, clip/protect, and power on/off
  • Gain selectable switch for both channels
  • Rack ears for permanent installation in a standard 2RU enclosure

Ashly's KLR-Series amplifiers are high-efficiency, lightweight, two-channel, high power amplifiers incorporating the latest technologies delivering quality and value for professional performance at an extremely affordable price. Whether your application is professional audio or fixed performance installation, KLR amplifiers are optimized to provide reliable audio performance with sonic perfection. Covering a power range from 1000 to 2500 watts per channel at 2 ohms (20Hz-20kHz, 1% THD), the KLR-2000, KLR-3200, KLR-4000, and KLR-5000 are perfectly suited for a wide range of sound reinforcement. All four KLR amplifiers are optimized to deliver high levels of sustained power, extraordinary audio performance, and road-proven reliability into 2, 4, or 8 ohm loads and are housed in a a uniform, rugged, 2RU chassis. Each KLR amplifier uses a state-of-the-art Switch Mode Power Supply, which assures you of flawless lows, punchy mids, and pristine highs. The output topography of the KLR-2000 is Class-AB, while the KLR-3200, KLR-4000, and KLR-5000 are a two-step Class-H design. KLR-Series protection circuits include: output over-current protection, DC output protection, chassis internal temperature monitoring, inrush limiting, and a mains circuit breaker. Front panel features include: individual input attenuators, signal, clip, and protect LEDs, air inflow vents with removable dust filters, power switch, and power LED. Rear panel features include: balanced inputs via 3-pin Euroblock, combo XLR/ 1/4" TRS connectors, Neutrik Speakon output connectors, 3-position gain switch (32dB, 26dB, or 1V input sensitivity), 3-position mode switch (bridged, stereo, or parallel mono), 3-position HPF switch (30Hz, 50Hz, or off), on/off limiter switch, air outflow vents, and permanently attached power cord.

Damping Factor: >380 (100Hz @ rated power @ 8 Ohms)
THD (20Hz–20kHz): 10dB below rated output @ 4 Ohms <0.05%
Input Impedance: 12k Ohm, balanced
Max Input Level: +21dBU
Amplifier Protection: Output Overcurrent, DC Output, Chassis Temperature, Mains Breaker (KLR-5000 uses internal Mains fuse)
Operating Temp/Humidity: -10C to +40C/Humidity: 0% to 90%
Signal-to-Noise (20Hz–20kHz, unweighted): >109dB
Input Gain Switch: 1V, 26dB, 32dB
Output Circuitry: 2-Step Class H