Lab Gruppen

CA601 – 60 Watt Commercial Amplifier with Energy Star Certification

The CA601 is a 60-watt commercial amplifier designed for high-quality distributed audio in commercial and industrial environments. It supports both Low-Z (4/8 Ohm) and High-Z (70/100 V) operation, offering exceptional flexibility across all installation types. With Energy Star certification, direct drive constant power technology, and intuitive operation, the CA601 delivers outstanding performance while minimizing energy and operational costs. Ideal for bars, restaurants, hotels, retail locations, corporate spaces, schools, and any venue requiring background music or a public address system.

Key Features

• 60W amplifier for commercial and industrial applications

• Low-Z (4/8 Ohm) and High-Z (70/100 V) operation with switchable high-pass filter

• Energy Star certified for reduced energy consumption and operating costs

• Direct drive constant power technology for reliable, superior audio

• GPI remote volume control via RJ-45 connector and standard Ethernet cable

• Front panel master volume, bass, and treble controls

• Auto Ramp circuitry for quiet, fast power up/down

• Front panel power button for easy access

• 1U half-rack enclosure with brackets for rack, table, or wall mounting

• Euroblock input and output connectors

• Convection-cooled, fan-less design for silent operation

Overview

The CA601 provides powerful, clean sound while reducing operational costs through intelligent energy management. It works seamlessly with both Low-Z and High-Z loudspeaker systems, making it adaptable to nearly any installation. Designed for fast setup and simple operation, even for non-technical staff, the CA601 is a dependable solution for professional distributed audio.

Energy Star Certified Performance

CA601’s direct drive constant power architecture ensures exceptional audio quality with reduced power consumption. This efficiency not only lowers energy bills but often eliminates the need for additional electrical infrastructure. Installation costs decrease, long-term savings increase, and the overall environmental footprint is reduced.

Easy Installation

The amplifier includes rubber feet for desktop or shelf placement and comes with rack-mount hardware for half-rack or full-rack configurations. Two units can be mounted side-by-side, and brackets allow installation under tables or on walls. This flexibility makes the CA601 suitable for virtually any space or layout.

Automatic Power On/Off

With its intelligent Auto Ramp circuitry, the CA601 powers down automatically when no audio is detected for 20 minutes, entering energy-saving sleep mode. Once a signal is detected, the amplifier instantly powers back up. A front-panel button also allows manual standby or wake-up control.

Simple, Intuitive Controls

Front-panel controls allow easy adjustment of master volume, bass, and treble. These settings ensure great sound in any environment while remaining user-friendly. Bass/treble adjustments require a tool, preventing unauthorized tampering.

Easy Connectivity

The CA601 supports balanced audio sources through a Euroblock input and unbalanced stereo devices via RCA (summed to mono). A 2-pin Euroblock connector provides a secure and reliable loudspeaker output connection.

Flexible Output Configuration

Rear-panel dip switches allow quick selection of 100V, 70V, 8 Ω, or 4 Ω operation, tailoring the amplifier to the exact speaker system used. A built-in high-pass filter enhances performance on constant-voltage systems and prevents transformer saturation.

Expandable Remote Control Options

An RJ45 port enables remote volume control through CRC-V wall controllers or the LAB.LEVEL tabletop controller. These accessories use standard, inexpensive Ethernet cabling, making remote operation simple and scalable.

Scalable System Design

The CA601 is part of a broader family of single- and dual-zone products designed to grow with your installation needs. Whether expanding coverage, adding more speakers, or incorporating remote controls, the CA601 is built for long-term scalability.

Real-World Energy Savings

By combining intelligent power management, constant power technology, and Energy Star certification, the CA601 delivers long-term savings. Lower consumption and automatic sleep mode help the amplifier pay for itself over time while providing dependable, high-quality sound.

The Lab Gruppen E5:4 is a compact, energy-efficient 4-channel amplifier designed for commercial installations requiring high performance, flexible output configuration, and long-term reliability. Built on Lab Gruppen’s touring-grade engineering, the E Series delivers exceptional audio quality in a small footprint with low operating costs.

Powered by IDEEA (IntelliDrive Energy Efficient Amplifier) technology, the E5:4 offers high power with very low distortion while drawing minimal current. The Rail Sensing Limiter (RSL™) optimizes each channel for Hi-Z (70 V) or Lo-Z applications and allows asymmetric power distribution. This enables mixed-load systems—such as driving ceiling speakers, full-range speakers, and subs—from a single amplifier.

With Energy Star–qualified efficiency, the E5:4 consumes less than 1 W in auto standby and instantly resumes full operation when signal returns. Remote power control and monitoring are available via GPIO for integration with third-party control systems.

Designed for reliability, efficiency, and installation flexibility, the E5:4 is ideal for commercial spaces, hospitality, education, retail, and multi-zone audio systems.

Key Features

• 4-channel installation amplifier with 500 W total output

• IDEEA energy-efficient Class D technology for low consumption and high performance

• RSL™ allows Hi-Z or Lo-Z operation, with flexible asymmetric channel loading

• Energy Star compliant with auto standby (<1 W)

• Advanced limiting for clean, consistent audio at all levels

• Remotely controllable power state via GPI/GPO

• Compact 1U design with temperature-controlled cooling

• Ideal for mixed-use distributed audio systems

Specifications

General

• Channels: 4

• Total output (all channels): 500 W

• Peak output voltage per channel: 100 V / 70 Vrms

• Max output current: 9.9 Arms

Output Power (All Channels Driven)

• 4/8/16 ohms: 125 W

• 70 V: 125 W

• 100 V: Supports 125 W into a 100 V load tapped at 250 W

Performance

• THD (20 Hz–20 kHz @ 1 W): <0.1%

• THD (1 kHz, 1 dB below clipping): <0.05%

• SNR: >112 dBA

• Crosstalk (1 kHz): >70 dB

• Frequency response: 2 Hz – 40 kHz

Input / Output

• Input: 3-pin detachable screw terminals, balanced

• Output: 2-pin detachable screw terminals

• High-pass filter: 50 Hz, switchable per channel

Gain & Sensitivity

• Modes: Lo-Z and 70 V

• Gain: 28.2 dB (Lo-Z), 35.2 dB (70 V)

• Sensitivity: 0–4 dBu depending on load/mode

• Per-channel level control: –∞ to 0 dB

Control & Monitoring

• Power control (standby/ON)

• GPI: Contact closure input

• GPO: Contact closure output

Cooling

• Dual fans, front-to-rear airflow

Power

• Nominal voltage: 100–240 VAC

• Operating voltage: 85–265 VAC

• Standby consumption: <1 W

• Mains connector: IEC

Dimensions & Weight

• 19" W × 1U H × 15" D (483 × 44 × 381 mm)

• Weight: 6 kg (13.2 lb)

Finish

• Dark grey aluminum front, black steel chassis

The Lab Gruppen E5:4 500W E-Series Installation Amplifier

is a feature-rich solution for professional audio installations. This amplifier is designed to deliver exceptional performance, flexibility, and energy efficiency, making it a top choice for mixed A/V installations.

HIGHLIGHTS

• Power Output:
  4 x 125W channels, configurable for constant voltage (70/100V) or low impedance (2, 4, 8, and 16 Ohms)

• Energy Efficiency:
  Energy Star certified, with low power consumption and minimal heat generation

• Asymmetric Channel Loading:
  Allows mixing and matching loads with different impedances for optimized system efficiency

• Amplifier Technology:
  IntelliDrive Energy Efficient Amplifier (IDEEA) technology, a proprietary Class-D design for high performance and low distortion

• Rail Sensing Limiter (RSL):
  Reduces signal clipping and optimizes output for varying load conditions

• Auto-Standby and Power-On:
  Automatically reduces power consumption to below 1W during idle periods

• Cooling System:
  Temperature-controlled fans with front-to-back airflow for efficient cooling

• User-Friendly Controls:
  Per-channel attenuation knobs, signal LEDs, and a high-pass filter (50 Hz) selectable via rear panel switches

• Durable Build:
  Compact 1 rack unit form factor with an aluminum front panel, designed for durability and ease of installation

• Connectivity:
  Balanced analog inputs and outputs on detachable screw terminals, along with a GPIO connector for system integration

• Fail-Safe Protection:
  Comprehensive circuit protection ensures reliable operation under challenging conditions

SPECIFICATION

General

Number of amplifier channels4Total output all channels driven500 WPeak output voltage per channel100 V / 70 VrmsMax. output current9.9 Arms

Max output power (all channels driven)

2 ohmsN.R.4 ohms125 W8 ohms125 W16 ohms125 W (requires the “70 V” mode for the RSL, “Lo-Z” gives 63 W)70 V125 W100 VCan deliver 125 W to a 100 V load tapped at 250 W

Performance

THD 20 Hz - 20 kHz at 1 W<0.1%THD at 1 kHz and 1 dB below clipping<0.05%Signal to Noise Ratio>112 dBAChannel separation (Crosstalk) at 1 kHz> 70 dBFrequency Response2 Hz - 40 kHzInput impedance20 kOhmCommon Mode Rejection (CMR)50 dBOutput impedance25 mOhm

Gain, Sensitivity and Limiters

Limit and gain switch defining limit and gain (per channel)2 pos: Lo-Z and 70 VVPL for 70 V mode100 VVPL for Lo-Z mode44.7 VSensitivity for stated power into 8 Ohm in Lo-Z mode4 dBuSensitivity for 70.7 V out in 70 V mode4 dBuSensitivity for stated power into 4 Ohm in Lo-Z mode1 dBuSensitivity for stated power into 16 Ohm in 70 V mode0 dBuGain in 70 V mode35.2 dBGain in Lo-Z mode28.2 dBLevel adjustment (per channel)Rear panel potentiometer, from -inf to 0 dB

Connectors and Switches

Input connectors (per ch.)3 - pin detachable screw terminals, electronically balancedOutput connectors (per ch.)2 - pin detachable screw terminalsHigh pass filterFixed at 50 Hz, switchable per channelPower controlCan be used to go between standby and ONGPI (power control input)Contact closure type, 2-pin detachable screw terminal, controls the power stateGPO (power state output)Contact closure type, 2-pin detachable screw terminal, for external monitoring of the power stateCoolingTwo fans, front-rear airflow, temperature controlled speed

Power

Nominal voltage100 - 240 VACOperating voltage85 – 265 VACStandby consumption<1 WMains connectorIEC inlet

Dimensions

DimensionsW: 483 mm (19”), H: 44 mm (1 U), D: 381 mm (15”)

Weight

Weight6 kg (13.2 lbs)

Finish

FinishDark grey aluminum front and black steel chassis

DOCUMENTATION

A & E SpecificationsA & E Specifications, GermanCurrent Draw & Thermal DissipationCurrent Draw & Thermal Dissipation EnglishData SheetQuick Start Guide, All Language

Lab Gruppen E 4:2 Amplifier

400 Watt Amplifier with 2 Flexible Output Channels for Installation Applications

E SERIES E 4:2
The E 4:2 has smart green credentials delivering low lifetime cost of ownership.

Energy Star Qualified

By maintaining very low current draw during operating cycles even at high output levels, and reduced power consumption during non-operational cycles, our Energy Star qualified products harness impeccable Lab Gruppen sonic performance and robust power output while meeting the rigorous efficiency requirements of current Energy Star certification standards.

Small in Size, Huge in Benefits

Building on Lab Gruppen’s touring reputation for sonic excellence and rock-solid durability, E Series brings a competitive edge to the installation market by adding ultra-compact size, high operating efficiency, output configuration flexibility, and an unprecedented cost-benefit ratio.

At the heart of E Series is Lab Gruppen’s IDEEA (IntelliDrive Energy Efficient Amplifier) technology. Based around a patented Class D variant output stage, IDEEA produces high power levels with very low distortion while drawing minimal mains current.

Lab Gruppen’s proprietary Rail Sensing Limiter (RSL), also exclusive to E Series, greatly reduces signal clipping to ensure high quality audio output at all times. User configurable for Hi-Z (70 V) or Lo-Z, RSL senses rail voltages and optimizes each output for instantaneous load conditions. RSL settings also facilitate asymmetric loading of the channels to optimize 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, a number of 70 V ceiling loudspeakers on the second channel.

Lab Gruppen Performance with Energy Star Compliance

Lab Gruppen’s IDEEA architecture secures full Energy Star compliance by combining net operating efficiency of greater than 80% with an auto-power-down feature. After 20 minutes with no input signal, the amplifier automatically switches to standby mode – with consumption of less than 1 W – and switches back on when an input signal returns. GPIO facilities enable third-party systems to remotely control and monitor power state via contact closure.

Smart Green Credentials with Our IDEEA Platform

The now proven IntelliDrive Energy Efficient Amplifier (IDEEA) platform represents the latest evolution of our amplifier design philosophies, drawing from technologies in our flagship PLM Series, to create ingenious contractor solutions with supreme green credentials.

Flexible Asymmetric Loading

Optimize performance and efficiency from each individual unit - allowing the total available output power to be utilized unequally between the channels, or for mono use with all power on a single channel. Enabling you to drive a small sub on one channel and a number of 70 V distributed ceiling loudspeakers on the other.

Specification:

General

• Number of amplifier channels: 2

• Max total output all channels driven: 400 W

• Peak output voltage per channel: 100 V / 70 Vrms

• Max. output current: 11 Arms

Max output power (all channels driven): 

• 2 ohms: 200 W

• 4 ohms: 200 W

• 8 ohms: 200 W (requires the “70 V” mode for the RSL. “Lo-Z” gives 100 W)

• 16 ohms: 200 W (requires the “70 V” mode for the RSL, “Lo-Z” gives 50 W)

• 70 V: 200 W

• 100 V: Can deliver 200 W to a 100 V load tapped at 400 W

Performance:

• THD 20 Hz - 20 kHz at 1 W: <0.1%

• THD at 1 kHz and 1 dB below clipping: <0.05%

• Signal to Noise Ratio: >112 dBA

• Channel separation (Crosstalk) at 1 kHz: >70 dB

• Frequency Response: 2 Hz - 40 kHz

• Input impedance: 20 kOhm

• Common Mode Rejection (CMR): 50 dB

• Output impedance: 25 mOhm

Gain, Sensitivity and Limiters:

• Limit and gain switch defining limit and gain (per channel): 2 pos: Lo-Z and 70 V

• VPL for 70 V mode: 100 V

• VPL for Lo-Z mode: 40 V

• Sensitivity for stated power into 4 Ohm in Lo-Z mode: 4 dBu

• Sensitivity for 70.7 V out in 70 V mode: 4 dBu

• Sensitivity for stated power into 2 Ohm in Lo-Z mode: 1 dBu

• Sensitivity for stated power into 8 Ohm in 70 V mode: -0.9 dBu

• Sensitivity for stated power into 16 Ohm in 70 V mode: 2.1 dBu

• Gain in 70 V mode: 35.2 dB

• Gain in Lo-Z mode: 27.2 dB

• Level adjustment (per channel): Rear panel potentiometer, from -inf to 0 dB

Connectors and Buttons

• Input connectors (per ch.): 3 - pin detachable screw terminals, electronically balanced

• Output connectors (per ch.): 2 - pin detachable screw terminals

• High pass filter: Fixed at 50 Hz, switchable per channel

• Power control: Can be used to go between standby and ON

• GPI (power control input): Contact closure type, 2-pin detachable screw terminal, controls the power state

• GPO (power state output): Contact closure type, 2-pin detachable screw terminal, for external monitoring of the power state

• Cooling: Single fan, front to rear airflow, no filter required, temperature controlled speed

Power:

• Nominal voltage:100 – 240 VAC

• Operating voltage: 70 – 265 VAC

• Standby consumption: <1 W

• Mains connector: IEC inlet

Dimensions: 

• Dimensions: W: 483 mm (19”), H: 44 mm (1 U), D: 276 mm (10.9”)

• Weight: 4.2 kg (9.3 lbs)

• Finish: Dark grey aluminum front and black steel chassis

LabGruppen CA1201 120W Commercial Amplifier with Energy Star Certification

CA1201

The CA1201 120-Watt Commercial Amplifier provides the perfect solution for commercial and industrial applications requiring great sounding distributed audio coupled with power conservation and reduced operating expense. Capable of delivering high-quality sound over both Low-Z (4/8 Ohm) and High-Z (70/100 V) loudspeaker configurations offering extreme flexibility on every channel. The CA1201 is easy to install and operate – even for non-technical personnel. Simply put, the CA1201 is ideal-suited for bars & restaurants, retail destinations, hotels, corporate, education or other venues needing background music and/or a public address system.

Energy Star * Certified

Not only does CA1201’s direct drive constant power technology provide superior audio performance and reliability, it also consumes less mains power than competing models, which has earned it Energy Star certification.

This amazing technology makes it possible to design and build powerful amplifier systems that not only save money on the electrical bill, but also reduce the requirements and cost at the installation for the mains supply. In fact, it is likely that installation can be done utilising the in-place mains infrastructure. This adds up to significant installation and operational savings and protects

Easy to Install

The CA1201 comes equipped with rubber feet, enabling the amps to be placed on a desk, shelf or any clear surface without any additional installation requirements. However, optional rack mounting hardware is also supplied, allowing one or several models to be housed and protected inside an enclosure. This adds extensive flexibility as a single product can be housed in a half 19" rack or full rack enclosure as well as a pair of amplifiers can easily be mounted side-by-side in a single rack space. With the included brackets the unit can also be mounted to a wall or under a table/shelf.

Automatic Power On/Off

The CA1201 has a flexible power scheme with seamless and automatic power on/off based on the input signal, which reduces consumption when a signal is not present. With virtually zero configuration required, an energy smart and hassle-free amplifier system can easily be set up for hands-off operation. If the CA1201 is powered on but does not receive an input signal for 20 minutes, the system automatically enters sleep mode to reduce power consumption. As soon as the Auto Ramp circuit detects a signal, the system powers on and normal operation resumes. The amplifier can also be instantly forced into standby mode or awakened via the front panel power button.

Sublimely Simple Controls

CA1201’s controls are sublimely intuitive, allowing the operator to quickly make adjustments. The front panel power button and Master volume knob are easily accessible, enabling virtually anyone to operate the system. Bass and Treble controls are also available for fine tuning – but require a tool when making changes.

Easy to Hook Up

For connecting a balanced source such as a mixer or audio processor, a standard 3-pin Euroblock Input socket is provided. Alternatively, RCA cables can be connected for unbalanced stereo sources (summed to mono), such as players, phones or computers, however only one input source should be used at a time. Loudspeaker Output is provided in the form of a standard 2-pin Euroblock socket.

Output Configuration

Intuitive configuration of the flexible output channels is provided directly adjacent to the rear panel Euroblock output connector with dipswitches, which allow selection of 100 V, 70 V, 8 Ω, or 4 Ω operation. This configures both the maximum voltage of the output and the gain through the device. An individual control engages the built-in high-pass filter, which should be used on all constant voltage systems to avoid saturation on transformer-enabled loudspeakers and to help maintain sound integrity.

Expandable Remote Control

The RJ45 receptacle on the rear panel opens up a broad range of remote control options, including the CRC-V Series of wall controllers and a stylish tabletop controller, the LAB.LEVEL. All can be interconnected via inexpensive and readily-available Ethernet cabling.

System Scalability

Commercial installs vary widely in scope and often grow and change over time. The CA1201 is part of a family of products that provides both single and dual zone products that are perfect for building out a system to any size. With its individual zone volume and remote control capabilities, the CA1201 is an ideal building block for a dynamic and scalable system solution.

Real-World Energy Savings

The CA1201 120-Watt Commercial Amplifier makes it easy to bring highest-quality music and announcements to business and industrial environments in an easy to integrate – and even easier to operate system. Plus, with features such as its Auto Ramp and revolutionary direct drive constant power technology, the Energy Star certified CA1201 can generate enough energy savings to pay for itself in virtually no time at all.

Features:

• 120 Watt amplifier for commercial and industrial applications

• Low-Z (4/8 Ohm) and High-Z (70/100 V) operation with switchable high-pass filter

• Energy Star certified design conserves energy and drastically reduces operational cost

• Direct drive, constant power technology for superior audio performance and reliability

• GPI remote volume control using standard RJ-45 connector and Ethernet cable

• Individual front panel master volume and bass/treble controls

• Auto Ramp circuitry for quiet and fast power up/down enables real-world energy savings

• Front panel power control button for direct access

• Rack-mountable 1U, half-rack width enclosure with joining brackets for rack, table and wall mounting

• Euroblock type amplifier input and output connectors

• Convection-cooled, fan-less amplifier technology for low noise