SKU: 76002558210

Ashly KLR-4000 Stereo Power Amplifier 850Wchannel At 8 Ohms Stereo

$1039.05 $1154.50
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Description

Ashly KLR-4000 Stereo Power Amplifier 850Wchannel At 8 Ohms StereoThe KLR 4000 from Ashly is a professional quality power amplifier that provides high quality audio in a lightweight and efficient design. The amplifier has a 2RU rackmount design for installation in any equipment rack. It can operate in stereo, bridged, or parallel modes for terrific 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

The KLR-4000 from Ashly is a professional-quality power amplifier that provides high-quality audio in a lightweight and efficient design. The amplifier has a 2RU rackmount design for installation in any equipment rack. It can operate in stereo, bridged, or parallel modes for terrific 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 over-current, DC output, and overheating.

Features

  • Compact 2RU rackmount design for installation in any standard equipment rack
  • Switchable stereo, bridged, and parallel modes for terrific versatility
  • 2-step Class-H circuitry provides excellent efficiency
  • Switch mode power supply delivers deep bass, punchy midrange, and clear treble with excellent power efficiency and low weight
  • Euroblock and combo XLR/TRS inputs, along with Neutrik Speakon outputs allow you to connect to virtually any professional sound system
  • Front panel level controls for each channel
  • Indicator LEDs for output level, clip/protect, and power on/off
  • Each channel has a 3-position gain switch
  • 3-position high pass filter switch lets you reduce low-frequency rumble and hum
  • Switchable limiter prevents distortion
  • Forced air cooling system with front-to-rear air flow and removable dust filters prevents the amplifier components from overheating and keeps them clean
  • Integrated protection circuitry prevents damage from over-current, DC output, and overheating
  • Permanently-attached power cord

Specifications

Form Factor/Type
Rackmount
Number of Amplifier Channels
2
Load Impedance/Voltage Support
4 / 2 / 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
22 to 72°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"
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 76002558210

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4.8 ★★★★★
Based on 25 reviews
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P
Verified Purchase
Paige
Omaha, US
★★★★★ 5
Definitely worth the price
Size: 6.5, Color: Black/Black
Absolutely love these boots! I originally bought them to wear in NYC in December & they did not disappoint. They were comfortable, cute, durable and worked well in the slush/snow. The traction on the bottom is also nice! They kept me warm with wool socks. I wear them almost daily now. Perfect for everyday. easy to wear with variety of outfits. Good every day shoe.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 3, 2026
K
Verified Purchase
Kimberly
Fort Morgan, US
★★★★★ 5
Snagged a deal
Size: 7, Color: Redwood/Gum 10
I waited and waited to get these boots! I knew I was chancing it, but they went on sale, and I snagged them! I am a size 7, and they fit nicely with socks. a little loose, barefooted, but what psycho wears boots without socks? They are comfortable and really well-made.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 8, 2026
A
Verified Purchase
ashlynnk
Los Angeles, US
★★★★★ 4
Cute, comfortable waterproof boots (a little snug to put on)
Size: 7, Color: Velvet Tan/Gum 2
These are really cute Chelsea-style boots and feel very comfortable once they’re on. The waterproof material is great for wet weather and the sole feels sturdy with good traction. They look stylish enough to wear casually but still feel practical for rainy days. The only downside is they can be a little difficult to put on at first because the opening is somewhat snug, but once they’re on they fit well and feel supportive. Overall they’re a great waterproof boot and I’ve enjoyed wearing them.
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Reviewed in the United States on March 17, 2026
A
Verified Purchase
Abby B
Natrona Heights, US
★★★★★ 5
Surprisingly great for my wide feet and high instep!
Size: 10.5, Color: Velvet Tan/Gum 2
So thrilled I took a chance on these. Finding boots is impossible for me. I have wide feet, a super high instep, a bunion on one foot, and I wear a hard to find size (10.5). I ordered the 10.5 and 11 in these expecting I might need to size up for width (if I could even get them on). It was a struggle getting the 10.5s on the first time, and once I did they were somewhat uncomfortable on the top of my left foot. But I read that they would relax so decided to give it a go because I need waterproof boots for an upcoming trip and the 11s felt too long. After two days of light wear, they are already breaking in and I have no more discomfort. Getting them on is already easier and they are plenty wide enough and very comfortable to walk in. These are true to size. Super happy and worth a day of mild discomfort to break them in!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 7, 2026
E
Verified Purchase
EE
San Leandro, US
★★★★★ 5
Comfortable, sturdy, waterproof
Size: 9.5, Color: Black/Black
Loce, love, love these boots. Have walked ten miles with no foot pain around NYC. They go with everything and and are so comfortable. As they are waterproof/resistant, they get a little warm in high temps, but perfect three-season boots.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 17, 2026

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