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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4.4 ★★★★★
Based on 20 reviews
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Product Reviews
N
Verified Purchase
nancy lischer
Los Angeles, US
★★★★★ 1
My last Timex and why.
Color: Black/Gray/Digital, Color: Black/Gray/Digital
New edit. Upon further reflection, I’ve only had, a couple of exploratory years with Swatch excepted, Timex watches. My first one was when my mother replaced the Chicita Banana “tickity tock” sticker with a real Timex wind up watch before my first Cub Scout camp. In addition to many other Timex products, I’ve had these Ironman watches for the past 25+years. Usually the band wears out and can’t be replaced after three or four years. This particular watch fell apart less than six weeks old. It wasn’t hit by impact. It just came apart while I was driving down the road. I wonder if they’ve changed their manufacturing process. See photo for details. What is truly infuriating is that rather than replacing it, because it is truly a warranty issue, the told me to ship it to their offshore repair facility (which could take 3-5 months) and pay what might be half the value of the watch. Things happen, but the intentional friction they have created to avoid their obligations borders on malpractice and speaks to their indifference toward customer experience and subsequent lifetime value.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 4, 2025
M
Verified Purchase
mike
Port Orchard, US
★★★★★ 5
Good watch
Color: Black/Black/Digital
Bought for my 8 yo, durable
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 19, 2025
K
Verified Purchase
Katelyn Vincent
Birmingham, US
★★★★★ 5
As expected
Color: Gray/Gray/Digital
Just an old school digital timex. Tried and true. Has both 12hr and 24hr function on the time setting. Has a standard stop watch and timer. The battery is great, just as it always is on a timex. Good water resistance and very easy to use. Overall very good watch for the price!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 6, 2025
D
Verified Purchase
David C. Gilliam
Belleville, US
★★★★★ 2
Can’t read numbers
Color: Gray/Gray/Digital
Numbers are too small to tread on a 44mm watch
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 5, 2026
H
Verified Purchase
hal lifson
Phoenix, US
★★★★★ 5
Love the Timex Ironman Shock watches!!
Color: Black/Black/Digital
I really like the Timex Ironman Shock watches. They are very durable and reliable. Simple to use and modeled after the. Original Ironman watches of the late 80s and 90s. Buttons are clearly marked and easy to press. They used to make many colors of this Shock model of the watch inc a cool shiny red color my wife still has . I have been a runner many many years and at 65, am still out although a lot slower than my 20s. But Timex Ironman watches have. Been my constant companion on the roads and track for 35 years now.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 27, 2026

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