SKU: 4484092917

Lab Gruppen E5:4 E-Series Installation Amplifier With 4 Flexible Output Channels - 500W

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Description

Lab Gruppen E5:4 E-Series Installation Amplifier With 4 Flexible Output Channels - 500WSystem installers in search of a compact, flexible amplifier with Hi Z and Lo Z output capabilities should check out the Lab. Gruppen E 5: 4, a 1 RU, four channel 500W amplifier for mixed A V installation applications. The E 5: 4 utilizes IntelliDrive Energy Efficient Amplifier (IDEEA) technology to produce high power levels with very low distortion while drawing minimal mains current. E Series amplifiers also utilizes Lab. Gruppen's proprietary Rail

System installers in search of a compact, flexible amplifier with Hi-Z and Lo-Z output capabilities should check out the Lab.Gruppen E 5:4, a 1 RU, four-channel 500W amplifier for mixed A/V installation applications. The E 5:4 utilizes IntelliDrive Energy Efficient Amplifier (IDEEA) technology to produce high power levels with very low distortion while drawing minimal mains current.

E-Series amplifiers also utilizes Lab.Gruppen's proprietary Rail Sensing Limiter (RSL) technology, which greatly reduces signal clipping to ensure high-quality audio output all the time. The amplifier is user-configurable for Hi-Z (70/100V) or Lo-Z. The RSL circuit senses rail voltage and optimizes each channel output for instantaneous load conditions. This allows for asymmetrical channel loading for optimized performance and efficiency. Total available output power can be allocated among the channels as required by the application. This makes it possible, for example, to drive a small sub on one channel and several 70/100V ceiling loudspeakers on the other channels.

Specifications

Form Factor/Type
Rackmount
Number of Amplifier Channels
4
Load Impedance/Voltage Support
4 / 8 / 16 Ohms
100 / 70 V
Power Rating per Channel
4x 125 W at 8/4 Ohms
4x 63 W at 16 Ohms
4x 125 W at 100/70 V
Amplifier Class
Class-D
Performance
Protections
RMS, Reactive/Mismatched Load, Short Circuit, Signal Limiter, Thermal, Undervoltage
Frequency Response
2 Hz to 40 kHz
SNR/Noise
> 112 dBA SNR
THD/Distortion
≤ 0.1% THD (20 Hz to 20 kHz, at 1 W)
≤ 0.05% THD (1 kHz, Below Rated Power)
Crosstalk
> 70 dB
Signal Processing
DSP
No
Audio Delay
No
EQ & Filters
High-Pass Filter
Dynamics
Limiter
Connectivity
Analog Audio I/O
4x Block 3-Pin Balanced Line Input
4x Block 2-Pin Speaker
Digital Audio I/O
No
Network I/O
No
Other I/O
2x Block 2-Pin GPIO
USB I/O
No
Phantom Power
No
Wireless
No
Power
Input Power
100 to 240 VAC, 60 / 50 Hz
AC Power Connector
1x IEC 15 A / NEMA 5-15
Power Consumption
1 W (Standby)
Physical
Display
Single-LED Indicators Only
Rackmount Size
1 U
Cooling
Fan (Variable Speed)
Certifications
ANSIS1.4 Type 2, CCC, CE, CSA, ENERGY STAR, ETL, PSE, RoHS, UL, WEEE
Dimensions
19 x 15 x 1.8" / 482.6 x 381 x 45.7 mm
Weight
13.2 lb / 6 kg
Packaging Info
Package Weight
20.21 lb
Box Dimensions (LxWxH)
23.2 x 21.2 x 5.7"
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: 4484092917

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4.8 ★★★★★
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John Li
San Leandro, US
★★★★★ 4
Good product
Pattern Name: 16x25x1, Style: Merv 5
Affordable product but looks a little flimsy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 11, 2026
L
Verified Purchase
LARRY ODOM
Massapequa, US
★★★★★ 5
Well Made and Beefy 💪🏼🏆
Pattern Name: 20x20x1, Style: Merv 11
Some air filters are wobbly and cheaply made, but not these. Amazon didn’t skimp when they sourced these. They are as good as any name brand filter. We use these on Pelonis box fans to aid in filtering the air, and keep air moving🌬️✨
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Reviewed in the United States on April 29, 2026
M
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Matthew
San Leandro, US
★★★★★ 5
Great value filters – do the job well
Pattern Name: 12x12x1, Style: Merv 8
These filters are a great value for the price, especially getting a 6-pack. They fit perfectly (just keep in mind the actual size listed), and installation is quick and easy. I’ve been using them regularly and they do a solid job catching dust and keeping the air clean without restricting airflow. Good balance between filtration and performance. Nice to have multiple on hand so I can swap them out regularly without thinking about it. I’ll definitely keep buying these.
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Reviewed in the United States on April 14, 2026
S
Verified Purchase
S. Alverson
Los Angeles, US
★★★★★ 5
Great Value Air Filters
Pattern Name: 20x20x1, Style: Merv 11, Pattern Name: 20x20x1, Style: Merv 11
These Amazon Basics air filters fit perfectly and were easy to install. They help keep the air cleaner and the HVAC system running smoothly. Good quality for the price, and the 6-pack is convenient to have on hand for future filter changes. Definitely a great value purchase.
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Reviewed in the United States on May 14, 2026
M
Verified Purchase
Matt Lawrence
Bozeman, US
★★★★★ 5
Cool, Fluffy, and Excellent Value
Color: White, Size: Queen (Pack of 2)
I recently got the Utopia Bedding Queen Size Bed Pillows (set of 2), and they’ve quickly become my favorite pillows for a good night’s sleep. Right out of the package, they fluffed up nicely and feel soft yet supportive. The down alternative filling gives a plush, comfortable feel without being too firm or too flat, and the gusseted design adds extra support for back, stomach, or side sleeping. I’ve tried them in all positions, and they hold up well without collapsing overnight. Another big plus is that they stay cool while I sleep. Even during warmer nights, I don’t feel overheated, which makes a huge difference in comfort. The pillow covers are smooth and feel like hotel-quality fabric, giving the bed a clean, luxurious look. The only minor thing is that they may take a little time to reach full fluffiness after the first wash, but that’s normal for down alternative pillows. Overall, these are soft, supportive, and high-quality pillows at a great price. They’ve improved my sleep noticeably, and I’d definitely recommend them for anyone looking for a comfortable, versatile pillow set
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Reviewed in the United States on April 7, 2026

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